id sid tid token lemma pos bracis-19077 1 1 a a DET bracis-19077 1 2 deep deep ADJ bracis-19077 1 3 learning learning NOUN bracis-19077 1 4 approach approach NOUN bracis-19077 1 5 for for ADP bracis-19077 1 6 aspect aspect NOUN bracis-19077 1 7 sentiment sentiment NOUN bracis-19077 1 8 triplet triplet NOUN bracis-19077 1 9 extraction extraction NOUN bracis-19077 1 10 in in ADP bracis-19077 1 11 portuguese portuguese ADJ bracis-19077 1 12 | | ADV bracis-19077 1 13 springer springer NOUN bracis-19077 1 14 nature nature PROPN bracis-19077 1 15 link link PROPN bracis-19077 1 16 ( ( PUNCT bracis-19077 1 17 formerly formerly ADV bracis-19077 1 18 springerlink springerlink NOUN bracis-19077 1 19 ) ) PUNCT bracis-19077 1 20 skip skip VERB bracis-19077 1 21 to to ADP bracis-19077 1 22 main main ADJ bracis-19077 1 23 content content NOUN bracis-19077 1 24 advertisement advertisement NOUN bracis-19077 1 25 log log NOUN bracis-19077 1 26 in in ADP bracis-19077 1 27 menu menu NOUN bracis-19077 1 28 find find VERB bracis-19077 1 29 a a DET bracis-19077 1 30 journal journal NOUN bracis-19077 1 31 publish publish VERB bracis-19077 1 32 with with ADP bracis-19077 1 33 us we PRON bracis-19077 1 34 track track VERB bracis-19077 1 35 your your PRON bracis-19077 1 36 research research NOUN bracis-19077 1 37 search search NOUN bracis-19077 1 38 cart cart NOUN bracis-19077 1 39 home home NOUN bracis-19077 1 40 intelligent intelligent ADJ bracis-19077 1 41 systems system NOUN bracis-19077 1 42 conference conference NOUN bracis-19077 1 43 paper paper NOUN bracis-19077 1 44 a a DET bracis-19077 1 45 deep deep ADJ bracis-19077 1 46 learning learning NOUN bracis-19077 1 47 approach approach NOUN bracis-19077 1 48 for for ADP bracis-19077 1 49 aspect aspect NOUN bracis-19077 1 50 sentiment sentiment NOUN bracis-19077 1 51 triplet triplet NOUN bracis-19077 1 52 extraction extraction NOUN bracis-19077 1 53 in in ADP bracis-19077 1 54 portuguese portuguese ADJ bracis-19077 1 55 conference conference NOUN bracis-19077 1 56 paper paper NOUN bracis-19077 1 57 first first ADV bracis-19077 1 58 online online ADV bracis-19077 1 59 : : PUNCT bracis-19077 1 60 28 28 NUM bracis-19077 1 61 november november NOUN bracis-19077 1 62 2021 2021 NUM bracis-19077 1 63 pp pp ADP bracis-19077 1 64 343–358 343–358 NUM bracis-19077 1 65 cite cite VERB bracis-19077 1 66 this this DET bracis-19077 1 67 conference conference NOUN bracis-19077 1 68 paper paper NOUN bracis-19077 1 69 access access NOUN bracis-19077 1 70 provided provide VERB bracis-19077 1 71 by by ADP bracis-19077 1 72 university university PROPN bracis-19077 1 73 of of ADP bracis-19077 1 74 notre notre PROPN bracis-19077 1 75 dame dame PROPN bracis-19077 1 76 hesburgh hesburgh PROPN bracis-19077 1 77 library library PROPN bracis-19077 1 78 download download PROPN bracis-19077 1 79 book book NOUN bracis-19077 1 80 pdf pdf PROPN bracis-19077 1 81 download download NOUN bracis-19077 1 82 book book NOUN bracis-19077 1 83 epub epub PROPN bracis-19077 1 84 intelligent intelligent ADJ bracis-19077 1 85 systems system NOUN bracis-19077 1 86 ( ( PUNCT bracis-19077 1 87 bracis bracis NOUN bracis-19077 1 88 2021 2021 NUM bracis-19077 1 89 ) ) PUNCT bracis-19077 1 90 a a DET bracis-19077 1 91 deep deep ADJ bracis-19077 1 92 learning learning NOUN bracis-19077 1 93 approach approach NOUN bracis-19077 1 94 for for ADP bracis-19077 1 95 aspect aspect NOUN bracis-19077 1 96 sentiment sentiment NOUN bracis-19077 1 97 triplet triplet NOUN bracis-19077 1 98 extraction extraction NOUN bracis-19077 1 99 in in ADP bracis-19077 1 100 portuguese portuguese ADJ bracis-19077 1 101 download download NOUN bracis-19077 1 102 book book NOUN bracis-19077 1 103 pdf pdf PROPN bracis-19077 1 104 download download NOUN bracis-19077 1 105 book book PROPN bracis-19077 1 106 epub epub PROPN bracis-19077 1 107 josé josé PROPN bracis-19077 1 108 meléndez meléndez PROPN bracis-19077 1 109 barros barros PROPN bracis-19077 1 110     SPACE bracis-19077 1 111 orcid orcid PROPN bracis-19077 1 112 : : PUNCT bracis-19077 1 113 orcid.org/0000-0003-3035-116210 orcid.org/0000-0003-3035-116210 NOUN bracis-19077 1 114 & & CCONJ bracis-19077 1 115 glauber glauber PROPN bracis-19077 1 116 de de PROPN bracis-19077 1 117 bona bona PROPN bracis-19077 1 118     SPACE bracis-19077 1 119 orcid orcid NOUN bracis-19077 1 120 : : PUNCT bracis-19077 1 121 orcid.org/0000-0002-6795-988710 orcid.org/0000-0002-6795-988710 ADJ bracis-19077 1 122     SPACE bracis-19077 1 123 part part NOUN bracis-19077 1 124 of of ADP bracis-19077 1 125 the the DET bracis-19077 1 126 book book NOUN bracis-19077 1 127 series series NOUN bracis-19077 1 128 : : PUNCT bracis-19077 1 129 lecture lecture NOUN bracis-19077 1 130 notes note NOUN bracis-19077 1 131 in in ADP bracis-19077 1 132 computer computer NOUN bracis-19077 1 133 science science NOUN bracis-19077 1 134 ( ( PUNCT bracis-19077 1 135 ( ( PUNCT bracis-19077 1 136 lnai lnai ADJ bracis-19077 1 137 , , PUNCT bracis-19077 1 138 volume volume NOUN bracis-19077 1 139 13074 13074 NUM bracis-19077 1 140 ) ) PUNCT bracis-19077 1 141 ) ) PUNCT bracis-19077 1 142 included include VERB bracis-19077 1 143 in in ADP bracis-19077 1 144 the the DET bracis-19077 1 145 following follow VERB bracis-19077 1 146 conference conference NOUN bracis-19077 1 147 series series NOUN bracis-19077 1 148 : : PUNCT bracis-19077 1 149 brazilian brazilian ADJ bracis-19077 1 150 conference conference NOUN bracis-19077 1 151 on on ADP bracis-19077 1 152 intelligent intelligent ADJ bracis-19077 1 153 systems system NOUN bracis-19077 1 154 1284 1284 NUM bracis-19077 1 155 accesses access VERB bracis-19077 1 156 1 1 NUM bracis-19077 1 157 citation citation NOUN bracis-19077 1 158 abstract abstract ADJ bracis-19077 1 159 aspect aspect NOUN bracis-19077 1 160 sentiment sentiment NOUN bracis-19077 1 161 triplet triplet NOUN bracis-19077 1 162 extraction extraction NOUN bracis-19077 1 163 ( ( PUNCT bracis-19077 1 164 aste aste NOUN bracis-19077 1 165 ) ) PUNCT bracis-19077 1 166 is be AUX bracis-19077 1 167 an an DET bracis-19077 1 168 aspect aspect NOUN bracis-19077 1 169 - - PUNCT bracis-19077 1 170 based base VERB bracis-19077 1 171 sentiment sentiment NOUN bracis-19077 1 172 analysis analysis NOUN bracis-19077 1 173 subtask subtask NOUN bracis-19077 1 174 ( ( PUNCT bracis-19077 1 175 absa absa PROPN bracis-19077 1 176 ) ) PUNCT bracis-19077 1 177 . . PUNCT bracis-19077 2 1 it it PRON bracis-19077 2 2 aims aim VERB bracis-19077 2 3 to to PART bracis-19077 2 4 extract extract VERB bracis-19077 2 5 aspect aspect NOUN bracis-19077 2 6 - - PUNCT bracis-19077 2 7 opinion opinion NOUN bracis-19077 2 8 pairs pair NOUN bracis-19077 2 9 from from ADP bracis-19077 2 10 a a DET bracis-19077 2 11 sentence sentence NOUN bracis-19077 2 12 and and CCONJ bracis-19077 2 13 identify identify VERB bracis-19077 2 14 the the DET bracis-19077 2 15 sentiment sentiment NOUN bracis-19077 2 16 polarity polarity NOUN bracis-19077 2 17 associated associate VERB bracis-19077 2 18 with with ADP bracis-19077 2 19 them they PRON bracis-19077 2 20 . . PUNCT bracis-19077 3 1 for for ADP bracis-19077 3 2 instance instance NOUN bracis-19077 3 3 , , PUNCT bracis-19077 3 4 given give VERB bracis-19077 3 5 the the DET bracis-19077 3 6 sentence sentence NOUN bracis-19077 3 7 “ " PUNCT bracis-19077 3 8 large large ADJ bracis-19077 3 9 rooms room NOUN bracis-19077 3 10 and and CCONJ bracis-19077 3 11 great great ADJ bracis-19077 3 12 breakfast breakfast NOUN bracis-19077 3 13 ” " PUNCT bracis-19077 3 14 , , PUNCT bracis-19077 3 15 aste aste VERB bracis-19077 3 16 outputs output NOUN bracis-19077 3 17 the the DET bracis-19077 3 18 triplet triplet NOUN bracis-19077 3 19 t t NOUN bracis-19077 3 20 = = SYM bracis-19077 3 21 { { PUNCT bracis-19077 3 22 ( ( PUNCT bracis-19077 3 23 rooms room NOUN bracis-19077 3 24 , , PUNCT bracis-19077 3 25 large large ADJ bracis-19077 3 26 , , PUNCT bracis-19077 3 27 positive positive ADJ bracis-19077 3 28 ) ) PUNCT bracis-19077 3 29 , , PUNCT bracis-19077 3 30 ( ( PUNCT bracis-19077 3 31 breakfast breakfast NOUN bracis-19077 3 32 , , PUNCT bracis-19077 3 33 great great ADJ bracis-19077 3 34 , , PUNCT bracis-19077 3 35 positive positive ADJ bracis-19077 3 36 ) ) PUNCT bracis-19077 3 37 } } PUNCT bracis-19077 3 38 . . PUNCT bracis-19077 4 1 although although SCONJ bracis-19077 4 2 several several ADJ bracis-19077 4 3 approaches approach NOUN bracis-19077 4 4 to to ADP bracis-19077 4 5 asba asba NOUN bracis-19077 4 6 have have AUX bracis-19077 4 7 recently recently ADV bracis-19077 4 8 been be AUX bracis-19077 4 9 proposed propose VERB bracis-19077 4 10 , , PUNCT bracis-19077 4 11 those those PRON bracis-19077 4 12 for for ADP bracis-19077 4 13 portuguese portuguese NOUN bracis-19077 4 14 have have AUX bracis-19077 4 15 been be AUX bracis-19077 4 16 mostly mostly ADV bracis-19077 4 17 limited limit VERB bracis-19077 4 18 to to ADP bracis-19077 4 19 extracting extract VERB bracis-19077 4 20 only only ADJ bracis-19077 4 21 aspects aspect NOUN bracis-19077 4 22 without without ADP bracis-19077 4 23 addressing address VERB bracis-19077 4 24 aste aste NOUN bracis-19077 4 25 tasks task NOUN bracis-19077 4 26 . . PUNCT bracis-19077 5 1 this this DET bracis-19077 5 2 work work NOUN bracis-19077 5 3 aims aim VERB bracis-19077 5 4 to to PART bracis-19077 5 5 develop develop VERB bracis-19077 5 6 a a DET bracis-19077 5 7 framework framework NOUN bracis-19077 5 8 based base VERB bracis-19077 5 9 on on ADP bracis-19077 5 10 deep deep ADJ bracis-19077 5 11 learning learning NOUN bracis-19077 5 12 to to PART bracis-19077 5 13 perform perform VERB bracis-19077 5 14 the the DET bracis-19077 5 15 aspect aspect NOUN bracis-19077 5 16 sentiment sentiment NOUN bracis-19077 5 17 triplet triplet NOUN bracis-19077 5 18 extraction extraction NOUN bracis-19077 5 19 task task NOUN bracis-19077 5 20 in in ADP bracis-19077 5 21 portuguese portuguese PROPN bracis-19077 5 22 . . PUNCT bracis-19077 6 1 the the DET bracis-19077 6 2 framework framework NOUN bracis-19077 6 3 uses use VERB bracis-19077 6 4 bert bert PROPN bracis-19077 6 5 as as ADP bracis-19077 6 6 a a DET bracis-19077 6 7 context context NOUN bracis-19077 6 8 - - PUNCT bracis-19077 6 9 awareness awareness NOUN bracis-19077 6 10 sentence sentence NOUN bracis-19077 6 11 encoder encoder NOUN bracis-19077 6 12 , , PUNCT bracis-19077 6 13 multiple multiple ADJ bracis-19077 6 14 parallel parallel ADJ bracis-19077 6 15 non non ADJ bracis-19077 6 16 - - ADJ bracis-19077 6 17 linear linear ADJ bracis-19077 6 18 layers layer NOUN bracis-19077 6 19 to to PART bracis-19077 6 20 get get VERB bracis-19077 6 21 aspect aspect NOUN bracis-19077 6 22 and and CCONJ bracis-19077 6 23 opinion opinion NOUN bracis-19077 6 24 representations representation NOUN bracis-19077 6 25 , , PUNCT bracis-19077 6 26 and and CCONJ bracis-19077 6 27 a a DET bracis-19077 6 28 graph graph NOUN bracis-19077 6 29 attention attention NOUN bracis-19077 6 30 layer layer NOUN bracis-19077 6 31 along along ADP bracis-19077 6 32 with with ADP bracis-19077 6 33 a a DET bracis-19077 6 34 biaffine biaffine ADJ bracis-19077 6 35 scorer scorer NOUN bracis-19077 6 36 to to PART bracis-19077 6 37 determine determine VERB bracis-19077 6 38 the the DET bracis-19077 6 39 sentiment sentiment NOUN bracis-19077 6 40 dependency dependency NOUN bracis-19077 6 41 between between ADP bracis-19077 6 42 each each DET bracis-19077 6 43 aspect aspect NOUN bracis-19077 6 44 - - PUNCT bracis-19077 6 45 opinion opinion NOUN bracis-19077 6 46 pair pair NOUN bracis-19077 6 47 . . PUNCT bracis-19077 7 1 the the DET bracis-19077 7 2 comparison comparison NOUN bracis-19077 7 3 results result VERB bracis-19077 7 4 show show VERB bracis-19077 7 5 that that SCONJ bracis-19077 7 6 our our PRON bracis-19077 7 7 proposed propose VERB bracis-19077 7 8 framework framework NOUN bracis-19077 7 9 significantly significantly ADV bracis-19077 7 10 outperforms outperform VERB bracis-19077 7 11 the the DET bracis-19077 7 12 baselines baseline NOUN bracis-19077 7 13 in in ADP bracis-19077 7 14 portuguese portuguese NOUN bracis-19077 7 15 and and CCONJ bracis-19077 7 16 is be AUX bracis-19077 7 17 competitive competitive ADJ bracis-19077 7 18 with with ADP bracis-19077 7 19 its its PRON bracis-19077 7 20 counterparts counterpart NOUN bracis-19077 7 21 in in ADP bracis-19077 7 22 english english PROPN bracis-19077 7 23 . . PUNCT bracis-19077 8 1 access access NOUN bracis-19077 8 2 provided provide VERB bracis-19077 8 3 by by ADP bracis-19077 8 4 university university PROPN bracis-19077 8 5 of of ADP bracis-19077 8 6 notre notre PROPN bracis-19077 8 7 dame dame PROPN bracis-19077 8 8 hesburgh hesburgh PROPN bracis-19077 8 9 library library PROPN bracis-19077 8 10 . . PUNCT bracis-19077 9 1 download download PROPN bracis-19077 9 2 conference conference NOUN bracis-19077 9 3 paper paper NOUN bracis-19077 9 4 pdf pdf NOUN bracis-19077 9 5 similar similar ADJ bracis-19077 9 6 content content NOUN bracis-19077 9 7 being be AUX bracis-19077 9 8 viewed view VERB bracis-19077 9 9 by by ADP bracis-19077 9 10 others other NOUN bracis-19077 9 11 a a DET bracis-19077 9 12 pairing pair VERB bracis-19077 9 13 enhancement enhancement NOUN bracis-19077 9 14 approach approach NOUN bracis-19077 9 15 for for ADP bracis-19077 9 16     SPACE bracis-19077 9 17 aspect aspect NOUN bracis-19077 9 18 sentiment sentiment NOUN bracis-19077 9 19 triplet triplet NOUN bracis-19077 9 20 extraction extraction NOUN bracis-19077 9 21 chapter chapter NOUN bracis-19077 9 22 © © PROPN bracis-19077 9 23 2023 2023 NUM bracis-19077 9 24 dess dess NOUN bracis-19077 9 25 : : PUNCT bracis-19077 9 26 deberta deberta NOUN bracis-19077 9 27 enhanced enhance VERB bracis-19077 9 28 syntactic syntactic ADJ bracis-19077 9 29 - - PUNCT bracis-19077 9 30 semantic semantic ADJ bracis-19077 9 31 aspect aspect NOUN bracis-19077 9 32 sentiment sentiment NOUN bracis-19077 9 33 triplet triplet NOUN bracis-19077 9 34 extraction extraction NOUN bracis-19077 9 35 chapter chapter NOUN bracis-19077 9 36 © © PROPN bracis-19077 9 37 2026 2026 NUM bracis-19077 9 38 unifying unify VERB bracis-19077 9 39 aspect aspect NOUN bracis-19077 9 40 - - PUNCT bracis-19077 9 41 based base VERB bracis-19077 9 42 sentiment sentiment NOUN bracis-19077 9 43 analysis analysis NOUN bracis-19077 9 44 bert bert PROPN bracis-19077 9 45 and and CCONJ bracis-19077 9 46 multi multi ADJ bracis-19077 9 47 - - ADJ bracis-19077 9 48 layered layered ADJ bracis-19077 9 49 graph graph NOUN bracis-19077 9 50 convolutional convolutional ADJ bracis-19077 9 51 networks network NOUN bracis-19077 9 52 for for ADP bracis-19077 9 53 comprehensive comprehensive ADJ bracis-19077 9 54 sentiment sentiment NOUN bracis-19077 9 55 dissection dissection NOUN bracis-19077 9 56 article article NOUN bracis-19077 9 57 open open VERB bracis-19077 9 58 access access NOUN bracis-19077 9 59 25 25 NUM bracis-19077 9 60 june june PROPN bracis-19077 9 61 2024 2024 NUM bracis-19077 9 62 explore explore VERB bracis-19077 9 63 related relate VERB bracis-19077 9 64 subjects subject NOUN bracis-19077 9 65 discover discover VERB bracis-19077 9 66 the the DET bracis-19077 9 67 latest late ADJ bracis-19077 9 68 articles article NOUN bracis-19077 9 69 , , PUNCT bracis-19077 9 70 books book NOUN bracis-19077 9 71 and and CCONJ bracis-19077 9 72 news news NOUN bracis-19077 9 73 in in ADP bracis-19077 9 74 related related ADJ bracis-19077 9 75 subjects subject NOUN bracis-19077 9 76 , , PUNCT bracis-19077 9 77 suggested suggest VERB bracis-19077 9 78 using use VERB bracis-19077 9 79 machine machine NOUN bracis-19077 9 80 learning learning NOUN bracis-19077 9 81 . . PUNCT bracis-19077 10 1 applied apply VERB bracis-19077 10 2 linguistics linguistics PROPN bracis-19077 10 3 computational computational ADJ bracis-19077 10 4 linguistics linguistics PROPN bracis-19077 10 5 corpus corpus PROPN bracis-19077 10 6 linguistics linguistics PROPN bracis-19077 10 7 machine machine NOUN bracis-19077 10 8 translation translation NOUN bracis-19077 10 9 natural natural ADJ bracis-19077 10 10 language language NOUN bracis-19077 10 11 processing processing NOUN bracis-19077 10 12 ( ( PUNCT bracis-19077 10 13 nlp nlp NOUN bracis-19077 10 14 ) ) PUNCT bracis-19077 10 15 portuguese portuguese ADJ bracis-19077 10 16 1 1 NUM bracis-19077 10 17 introduction introduction NOUN bracis-19077 10 18 sentiment sentiment NOUN bracis-19077 10 19 analysis analysis NOUN bracis-19077 10 20 , , PUNCT bracis-19077 10 21 also also ADV bracis-19077 10 22 known know VERB bracis-19077 10 23 as as ADP bracis-19077 10 24 opinion opinion NOUN bracis-19077 10 25 mining mining NOUN bracis-19077 10 26 , , PUNCT bracis-19077 10 27 is be AUX bracis-19077 10 28 a a DET bracis-19077 10 29 field field NOUN bracis-19077 10 30 of of ADP bracis-19077 10 31 natural natural ADJ bracis-19077 10 32 language language NOUN bracis-19077 10 33 processing processing NOUN bracis-19077 10 34 ( ( PUNCT bracis-19077 10 35 nlp nlp NOUN bracis-19077 10 36 ) ) PUNCT bracis-19077 10 37 that that PRON bracis-19077 10 38 analyzes analyze VERB bracis-19077 10 39 people people NOUN bracis-19077 10 40 ’s ’s PART bracis-19077 10 41 opinions opinion NOUN bracis-19077 10 42 , , PUNCT bracis-19077 10 43 sentiments sentiment NOUN bracis-19077 10 44 , , PUNCT bracis-19077 10 45 and and CCONJ bracis-19077 10 46 attitudes attitude NOUN bracis-19077 10 47 towards towards ADP bracis-19077 10 48 entities entity NOUN bracis-19077 10 49 such such ADJ bracis-19077 10 50 as as ADP bracis-19077 10 51 products product NOUN bracis-19077 10 52 , , PUNCT bracis-19077 10 53 services service NOUN bracis-19077 10 54 , , PUNCT bracis-19077 10 55 organizations organization NOUN bracis-19077 10 56 , , PUNCT bracis-19077 10 57 individuals individual NOUN bracis-19077 10 58 , , PUNCT bracis-19077 10 59 among among ADP bracis-19077 10 60 others other NOUN bracis-19077 10 61     SPACE bracis-19077 11 1 [ [ X bracis-19077 11 2 21 21 NUM bracis-19077 11 3 ] ] PUNCT bracis-19077 11 4 . . PUNCT bracis-19077 12 1 there there PRON bracis-19077 12 2 are be VERB bracis-19077 12 3 three three NUM bracis-19077 12 4 granularity granularity NOUN bracis-19077 12 5 levels level NOUN bracis-19077 12 6 in in ADP bracis-19077 12 7 sentiment sentiment NOUN bracis-19077 12 8 analysis analysis NOUN bracis-19077 12 9 : : PUNCT bracis-19077 12 10 document document NOUN bracis-19077 12 11 level level NOUN bracis-19077 12 12 , , PUNCT bracis-19077 12 13 sentence sentence NOUN bracis-19077 12 14 level level NOUN bracis-19077 12 15 and and CCONJ bracis-19077 12 16 aspect aspect NOUN bracis-19077 12 17 level level NOUN bracis-19077 12 18 . . PUNCT bracis-19077 13 1 aspect aspect NOUN bracis-19077 13 2 - - PUNCT bracis-19077 13 3 based base VERB bracis-19077 13 4 sentiment sentiment NOUN bracis-19077 13 5 analysis analysis NOUN bracis-19077 13 6 ( ( PUNCT bracis-19077 13 7 absa absa X bracis-19077 13 8 ) ) PUNCT bracis-19077 13 9 is be AUX bracis-19077 13 10 the the DET bracis-19077 13 11 term term NOUN bracis-19077 13 12 used use VERB bracis-19077 13 13 to to PART bracis-19077 13 14 denote denote VERB bracis-19077 13 15 a a DET bracis-19077 13 16 set set NOUN bracis-19077 13 17 of of ADP bracis-19077 13 18 tasks task NOUN bracis-19077 13 19 that that PRON bracis-19077 13 20 aim aim VERB bracis-19077 13 21 to to PART bracis-19077 13 22 resolve resolve VERB bracis-19077 13 23 aspect aspect NOUN bracis-19077 13 24 level level NOUN bracis-19077 13 25 granularity granularity NOUN bracis-19077 13 26 problems problem NOUN bracis-19077 13 27     SPACE bracis-19077 14 1 [ [ X bracis-19077 14 2 21 21 NUM bracis-19077 14 3 , , PUNCT bracis-19077 14 4 25 25 NUM bracis-19077 14 5 ] ] PUNCT bracis-19077 14 6 , , PUNCT bracis-19077 14 7 i.e. i.e. X bracis-19077 14 8 , , PUNCT bracis-19077 14 9 given give VERB bracis-19077 14 10 a a DET bracis-19077 14 11 review review NOUN bracis-19077 14 12 , , PUNCT bracis-19077 14 13 the the DET bracis-19077 14 14 model model NOUN bracis-19077 14 15 should should AUX bracis-19077 14 16 select select VERB bracis-19077 14 17 specific specific ADJ bracis-19077 14 18 words word NOUN bracis-19077 14 19 corresponding correspond VERB bracis-19077 14 20 to to PART bracis-19077 14 21 aspect aspect VERB bracis-19077 14 22 terms term NOUN bracis-19077 14 23 and and CCONJ bracis-19077 14 24 opinion opinion NOUN bracis-19077 14 25 terms term NOUN bracis-19077 14 26 and and CCONJ bracis-19077 14 27 identify identify VERB bracis-19077 14 28 their their PRON bracis-19077 14 29 sentiment sentiment NOUN bracis-19077 14 30 polarity polarity NOUN bracis-19077 14 31 . . PUNCT bracis-19077 15 1 in in ADP bracis-19077 15 2 turn turn NOUN bracis-19077 15 3 , , PUNCT bracis-19077 15 4 absa absa X bracis-19077 15 5 subtasks subtask NOUN bracis-19077 15 6 may may AUX bracis-19077 15 7 focus focus VERB bracis-19077 15 8 only only ADV bracis-19077 15 9 on on ADP bracis-19077 15 10 extracting extract VERB bracis-19077 15 11 / / SYM bracis-19077 15 12 classifying classify VERB bracis-19077 15 13 one one NUM bracis-19077 15 14 or or CCONJ bracis-19077 15 15 more more ADJ bracis-19077 15 16 of of ADP bracis-19077 15 17 these these DET bracis-19077 15 18 elements element NOUN bracis-19077 15 19 . . PUNCT bracis-19077 16 1 in in ADP bracis-19077 16 2 this this DET bracis-19077 16 3 work work NOUN bracis-19077 16 4 , , PUNCT bracis-19077 16 5 we we PRON bracis-19077 16 6 deal deal VERB bracis-19077 16 7 with with ADP bracis-19077 16 8 aspect aspect NOUN bracis-19077 16 9 sentiment sentiment NOUN bracis-19077 16 10 triplet triplet NOUN bracis-19077 16 11 extraction extraction NOUN bracis-19077 16 12 ( ( PUNCT bracis-19077 16 13 aste aste NOUN bracis-19077 16 14 ) ) PUNCT bracis-19077 16 15 , , PUNCT bracis-19077 16 16 which which PRON bracis-19077 16 17 is be AUX bracis-19077 16 18 a a DET bracis-19077 16 19 relatively relatively ADV bracis-19077 16 20 new new ADJ bracis-19077 16 21 subtask subtask NOUN bracis-19077 16 22     SPACE bracis-19077 17 1 [ [ X bracis-19077 17 2 24 24 NUM bracis-19077 17 3 ] ] PUNCT bracis-19077 17 4 . . PUNCT bracis-19077 18 1 consider consider VERB bracis-19077 18 2 for for ADP bracis-19077 18 3 instance instance NOUN bracis-19077 18 4 the the DET bracis-19077 18 5 sentence sentence NOUN bracis-19077 18 6 “ " PUNCT bracis-19077 18 7 large large ADJ bracis-19077 18 8 rooms room NOUN bracis-19077 18 9 and and CCONJ bracis-19077 18 10 great great ADJ bracis-19077 18 11 breakfast breakfast NOUN bracis-19077 18 12 ” " PUNCT bracis-19077 18 13 . . PUNCT bracis-19077 19 1 aspects aspect NOUN bracis-19077 19 2 are be AUX bracis-19077 19 3 word word NOUN bracis-19077 19 4 sequences sequence NOUN bracis-19077 19 5 describing describe VERB bracis-19077 19 6 attributes attribute NOUN bracis-19077 19 7 or or CCONJ bracis-19077 19 8 features feature NOUN bracis-19077 19 9 of of ADP bracis-19077 19 10 the the DET bracis-19077 19 11 targets target NOUN bracis-19077 19 12 ( ( PUNCT bracis-19077 19 13 e.g. e.g. ADV bracis-19077 19 14 , , PUNCT bracis-19077 19 15 rooms room NOUN bracis-19077 19 16 , , PUNCT bracis-19077 19 17 breakfast breakfast NOUN bracis-19077 19 18 ) ) PUNCT bracis-19077 19 19 , , PUNCT bracis-19077 19 20 opinions opinion NOUN bracis-19077 19 21 are be AUX bracis-19077 19 22 those those DET bracis-19077 19 23 expressions expression NOUN bracis-19077 19 24 carrying carry VERB bracis-19077 19 25 subjective subjective ADJ bracis-19077 19 26 attitudes attitude NOUN bracis-19077 19 27 or or CCONJ bracis-19077 19 28 ( ( PUNCT bracis-19077 19 29 un)desirable un)desirable ADJ bracis-19077 19 30 characteristics characteristic NOUN bracis-19077 19 31 ( ( PUNCT bracis-19077 19 32 e.g. e.g. ADV bracis-19077 19 33 , , PUNCT bracis-19077 19 34 large large ADJ bracis-19077 19 35 , , PUNCT bracis-19077 19 36 great great ADJ bracis-19077 19 37 ) ) PUNCT bracis-19077 19 38 and and CCONJ bracis-19077 19 39 sentiments sentiment NOUN bracis-19077 19 40 are be AUX bracis-19077 19 41 the the DET bracis-19077 19 42 polarities polarity NOUN bracis-19077 19 43 associated associate VERB bracis-19077 19 44 with with ADP bracis-19077 19 45 aspect aspect NOUN bracis-19077 19 46 - - PUNCT bracis-19077 19 47 opinion opinion NOUN bracis-19077 19 48 pair pair NOUN bracis-19077 19 49 , , PUNCT bracis-19077 19 50 which which PRON bracis-19077 19 51 can can AUX bracis-19077 19 52 be be AUX bracis-19077 19 53 positive positive ADJ bracis-19077 19 54 , , PUNCT bracis-19077 19 55 negative negative ADJ bracis-19077 19 56 or or CCONJ bracis-19077 19 57 neutral neutral ADJ bracis-19077 19 58 . . PUNCT bracis-19077 20 1 aste aste PROPN bracis-19077 20 2 aims aim VERB bracis-19077 20 3 to to PART bracis-19077 20 4 extract extract VERB bracis-19077 20 5 not not PART bracis-19077 20 6 only only ADV bracis-19077 20 7 the the DET bracis-19077 20 8 aspects aspect NOUN bracis-19077 20 9 and and CCONJ bracis-19077 20 10 its its PRON bracis-19077 20 11 sentiment sentiment NOUN bracis-19077 20 12 , , PUNCT bracis-19077 20 13 but but CCONJ bracis-19077 20 14 also also ADV bracis-19077 20 15 the the DET bracis-19077 20 16 corresponding correspond VERB bracis-19077 20 17 opinion opinion NOUN bracis-19077 20 18 spans span NOUN bracis-19077 20 19 expressing express VERB bracis-19077 20 20 the the DET bracis-19077 20 21 sentiment sentiment NOUN bracis-19077 20 22 for for ADP bracis-19077 20 23 each each DET bracis-19077 20 24 aspect aspect NOUN bracis-19077 20 25 , , PUNCT bracis-19077 20 26 as as ADP bracis-19077 20 27 the the DET bracis-19077 20 28 example example NOUN bracis-19077 20 29 in in ADP bracis-19077 20 30 fig fig NOUN bracis-19077 20 31 . . PUNCT bracis-19077 20 32     SPACE bracis-19077 21 1 1 1 NUM bracis-19077 21 2 illustrates illustrate VERB bracis-19077 21 3 . . PUNCT bracis-19077 22 1 fig fig NOUN bracis-19077 22 2 . . PUNCT bracis-19077 23 1 1 1 X bracis-19077 23 2 . . X bracis-19077 23 3 differences difference NOUN bracis-19077 23 4 among among ADP bracis-19077 23 5 absa absa PROPN bracis-19077 23 6 subtasks subtask NOUN bracis-19077 23 7 . . PUNCT bracis-19077 24 1 full full ADJ bracis-19077 24 2 size size NOUN bracis-19077 24 3 image image NOUN bracis-19077 24 4 absa absa NOUN bracis-19077 24 5 tasks task NOUN bracis-19077 24 6 tackled tackle VERB bracis-19077 24 7 in in ADP bracis-19077 24 8 portuguese portuguese PROPN bracis-19077 24 9 include include VERB bracis-19077 24 10 aspect aspect NOUN bracis-19077 24 11 term term NOUN bracis-19077 24 12 extraction extraction NOUN bracis-19077 24 13     SPACE bracis-19077 25 1 [ [ X bracis-19077 25 2 2 2 NUM bracis-19077 25 3 , , PUNCT bracis-19077 25 4 23 23 NUM bracis-19077 25 5 ] ] PUNCT bracis-19077 25 6 , , PUNCT bracis-19077 25 7 aspect aspect NOUN bracis-19077 25 8 sentiment sentiment NOUN bracis-19077 25 9 classification classification NOUN bracis-19077 25 10     SPACE bracis-19077 26 1 [ [ X bracis-19077 26 2 1 1 NUM bracis-19077 26 3 , , PUNCT bracis-19077 26 4 26 26 NUM bracis-19077 26 5 ] ] PUNCT bracis-19077 26 6 and and CCONJ bracis-19077 26 7 aspect aspect VERB bracis-19077 26 8 opinion opinion NOUN bracis-19077 26 9 co co NOUN bracis-19077 26 10 - - NOUN bracis-19077 26 11 extraction extraction NOUN bracis-19077 26 12     SPACE bracis-19077 27 1 [ [ X bracis-19077 27 2 4 4 NUM bracis-19077 27 3 ] ] PUNCT bracis-19077 27 4 , , PUNCT bracis-19077 27 5 but but CCONJ bracis-19077 27 6 the the DET bracis-19077 27 7 proposed propose VERB bracis-19077 27 8 solutions solution NOUN bracis-19077 27 9 employs employ VERB bracis-19077 27 10 methods method NOUN bracis-19077 27 11 that that PRON bracis-19077 27 12 are be AUX bracis-19077 27 13 considerably considerably ADV bracis-19077 27 14 behind behind ADP bracis-19077 27 15 the the DET bracis-19077 27 16 state state NOUN bracis-19077 27 17 of of ADP bracis-19077 27 18 the the DET bracis-19077 27 19 art art NOUN bracis-19077 27 20 in in ADP bracis-19077 27 21 reference reference NOUN bracis-19077 27 22 languages language NOUN bracis-19077 27 23     SPACE bracis-19077 28 1 [ [ X bracis-19077 28 2 25 25 NUM bracis-19077 28 3 ] ] PUNCT bracis-19077 28 4 . . PUNCT bracis-19077 29 1 besides besides SCONJ bracis-19077 29 2 , , PUNCT bracis-19077 29 3 these these DET bracis-19077 29 4 works work NOUN bracis-19077 29 5 are be AUX bracis-19077 29 6 focused focus VERB bracis-19077 29 7 on on ADP bracis-19077 29 8 identifying identify VERB bracis-19077 29 9 aspects aspect NOUN bracis-19077 29 10 or or CCONJ bracis-19077 29 11 opinions opinion NOUN bracis-19077 29 12 separately separately ADV bracis-19077 29 13 . . PUNCT bracis-19077 30 1 our our PRON bracis-19077 30 2 work work NOUN bracis-19077 30 3 aims aim VERB bracis-19077 30 4 to to PART bracis-19077 30 5 extract extract VERB bracis-19077 30 6 aspects aspect NOUN bracis-19077 30 7 , , PUNCT bracis-19077 30 8 opinions opinion NOUN bracis-19077 30 9 and and CCONJ bracis-19077 30 10 sentiment sentiment NOUN bracis-19077 30 11 polarity polarity NOUN bracis-19077 30 12 simultaneously simultaneously ADV bracis-19077 30 13 . . PUNCT bracis-19077 31 1 this this PRON bracis-19077 31 2 not not PART bracis-19077 31 3 only only ADV bracis-19077 31 4 provides provide VERB bracis-19077 31 5 richer rich ADJ bracis-19077 31 6 context context NOUN bracis-19077 31 7 output output NOUN bracis-19077 31 8 , , PUNCT bracis-19077 31 9 but but CCONJ bracis-19077 31 10 also also ADV bracis-19077 31 11 explains explain VERB bracis-19077 31 12 why why SCONJ bracis-19077 31 13 a a DET bracis-19077 31 14 specific specific ADJ bracis-19077 31 15 sentiment sentiment NOUN bracis-19077 31 16 polarity polarity NOUN bracis-19077 31 17 was be AUX bracis-19077 31 18 assigned assign VERB bracis-19077 31 19 . . PUNCT bracis-19077 32 1 we we PRON bracis-19077 32 2 develop develop VERB bracis-19077 32 3 a a DET bracis-19077 32 4 framework framework NOUN bracis-19077 32 5 based base VERB bracis-19077 32 6 on on ADP bracis-19077 32 7 deep deep ADJ bracis-19077 32 8 learning learning NOUN bracis-19077 32 9 to to PART bracis-19077 32 10 perform perform VERB bracis-19077 32 11 the the DET bracis-19077 32 12 aspect aspect NOUN bracis-19077 32 13 sentiment sentiment NOUN bracis-19077 32 14 triplet triplet NOUN bracis-19077 32 15 extraction extraction NOUN bracis-19077 32 16 task task NOUN bracis-19077 32 17 in in ADP bracis-19077 32 18 portuguese portuguese PROPN bracis-19077 32 19 . . PUNCT bracis-19077 33 1 our our PRON bracis-19077 33 2 framework framework NOUN bracis-19077 33 3 is be AUX bracis-19077 33 4 based base VERB bracis-19077 33 5 the the DET bracis-19077 33 6 state state NOUN bracis-19077 33 7 - - PUNCT bracis-19077 33 8 of of ADP bracis-19077 33 9 - - PUNCT bracis-19077 33 10 the the DET bracis-19077 33 11 - - PUNCT bracis-19077 33 12 art art NOUN bracis-19077 33 13 models model NOUN bracis-19077 33 14 for for ADP bracis-19077 33 15 english english PROPN bracis-19077 33 16 , , PUNCT bracis-19077 33 17 building build VERB bracis-19077 33 18 on on ADP bracis-19077 33 19 the the DET bracis-19077 33 20 work work NOUN bracis-19077 33 21 of of ADP bracis-19077 33 22 zhang zhang PROPN bracis-19077 33 23 et et PROPN bracis-19077 33 24 al al PROPN bracis-19077 33 25 . . PUNCT bracis-19077 34 1 [ [ X bracis-19077 34 2 32 32 NUM bracis-19077 34 3 ] ] PUNCT bracis-19077 34 4 . . PUNCT bracis-19077 35 1 the the DET bracis-19077 35 2 main main ADJ bracis-19077 35 3 improvements improvement NOUN bracis-19077 35 4 proposed propose VERB bracis-19077 35 5 by by ADP bracis-19077 35 6 our our PRON bracis-19077 35 7 work work NOUN bracis-19077 35 8 are be AUX bracis-19077 35 9 : : PUNCT bracis-19077 35 10 we we PRON bracis-19077 35 11 use use VERB bracis-19077 35 12 bert bert PROPN bracis-19077 35 13 instead instead ADV bracis-19077 35 14 of of ADP bracis-19077 35 15 glove glove NOUN bracis-19077 35 16 for for ADP bracis-19077 35 17 sentence sentence NOUN bracis-19077 35 18 encoding encoding NOUN bracis-19077 35 19 , , PUNCT bracis-19077 35 20 with with ADP bracis-19077 35 21 word word NOUN bracis-19077 35 22 - - PUNCT bracis-19077 35 23 vectors vector NOUN bracis-19077 35 24 capturing capture VERB bracis-19077 35 25 a a DET bracis-19077 35 26 richer rich ADJ bracis-19077 35 27 context context NOUN bracis-19077 35 28 ; ; PUNCT bracis-19077 35 29 we we PRON bracis-19077 35 30 add add VERB bracis-19077 35 31 a a DET bracis-19077 35 32 graph graph NOUN bracis-19077 35 33 attention attention NOUN bracis-19077 35 34 layer layer NOUN bracis-19077 35 35 to to PART bracis-19077 35 36 capture capture VERB bracis-19077 35 37 more more ADV bracis-19077 35 38 complex complex ADJ bracis-19077 35 39 relationships relationship NOUN bracis-19077 35 40 between between ADP bracis-19077 35 41 two two NUM bracis-19077 35 42 word word NOUN bracis-19077 35 43 vectors vector NOUN bracis-19077 35 44 . . PUNCT bracis-19077 36 1 the the DET bracis-19077 36 2 comparison comparison NOUN bracis-19077 36 3 results result VERB bracis-19077 36 4 show show VERB bracis-19077 36 5 that that SCONJ bracis-19077 36 6 our our PRON bracis-19077 36 7 proposed propose VERB bracis-19077 36 8 framework framework NOUN bracis-19077 36 9 outperforms outperform VERB bracis-19077 36 10 the the DET bracis-19077 36 11 baselines baseline NOUN bracis-19077 36 12 by by ADP bracis-19077 36 13 more more ADJ bracis-19077 36 14 than than ADP bracis-19077 36 15 10 10 NUM bracis-19077 36 16 % % NOUN bracis-19077 36 17 . . PUNCT bracis-19077 37 1 besides besides SCONJ bracis-19077 37 2 , , PUNCT bracis-19077 37 3 the the DET bracis-19077 37 4 ablation ablation NOUN bracis-19077 37 5 study study NOUN bracis-19077 37 6 demonstrates demonstrate VERB bracis-19077 37 7 the the DET bracis-19077 37 8 effectiveness effectiveness NOUN bracis-19077 37 9 of of ADP bracis-19077 37 10 graph graph NOUN bracis-19077 37 11 attention attention NOUN bracis-19077 37 12 layers layer NOUN bracis-19077 37 13 and and CCONJ bracis-19077 37 14 bilstm bilstm NOUN bracis-19077 37 15 layers layer NOUN bracis-19077 37 16 for for ADP bracis-19077 37 17 dimensionality dimensionality NOUN bracis-19077 37 18 reduction reduction NOUN bracis-19077 37 19 . . PUNCT bracis-19077 38 1 the the DET bracis-19077 38 2 main main ADJ bracis-19077 38 3 contributions contribution NOUN bracis-19077 38 4 of of ADP bracis-19077 38 5 this this DET bracis-19077 38 6 paper paper NOUN bracis-19077 38 7 can can AUX bracis-19077 38 8 be be AUX bracis-19077 38 9 summarized summarize VERB bracis-19077 38 10 as as SCONJ bracis-19077 38 11 follows follow VERB bracis-19077 38 12 : : PUNCT bracis-19077 38 13 we we PRON bracis-19077 38 14 propose propose VERB bracis-19077 38 15 the the DET bracis-19077 38 16 first first ADJ bracis-19077 38 17 model model NOUN bracis-19077 38 18 to to PART bracis-19077 38 19 deal deal VERB bracis-19077 38 20 with with ADP bracis-19077 38 21 aste aste NOUN bracis-19077 38 22 tasks task NOUN bracis-19077 38 23 in in ADP bracis-19077 38 24 portuguese portuguese PROPN bracis-19077 38 25 . . PUNCT bracis-19077 39 1 to to ADP bracis-19077 39 2 the the DET bracis-19077 39 3 best good ADJ bracis-19077 39 4 of of ADP bracis-19077 39 5 our our PRON bracis-19077 39 6 knowledge knowledge NOUN bracis-19077 39 7 , , PUNCT bracis-19077 39 8 all all PRON bracis-19077 39 9 works work VERB bracis-19077 39 10 in in ADP bracis-19077 39 11 portuguese portuguese PROPN bracis-19077 39 12 - - PUNCT bracis-19077 39 13 absa absa PROPN bracis-19077 39 14 have have AUX bracis-19077 39 15 been be AUX bracis-19077 39 16 limited limit VERB bracis-19077 39 17 to to PART bracis-19077 39 18 aspect aspect VERB bracis-19077 39 19 extraction extraction NOUN bracis-19077 39 20 . . PUNCT bracis-19077 40 1 we we PRON bracis-19077 40 2 provide provide VERB bracis-19077 40 3 a a DET bracis-19077 40 4 new new ADJ bracis-19077 40 5 dataset dataset NOUN bracis-19077 40 6 in in ADP bracis-19077 40 7 portuguese portuguese PROPN bracis-19077 40 8 to to PART bracis-19077 40 9 work work VERB bracis-19077 40 10 with with ADP bracis-19077 40 11 aste aste NOUN bracis-19077 40 12 tasks task NOUN bracis-19077 40 13 . . PUNCT bracis-19077 41 1 additionally additionally ADV bracis-19077 41 2 , , PUNCT bracis-19077 41 3 we we PRON bracis-19077 41 4 adapt adapt VERB bracis-19077 41 5 an an DET bracis-19077 41 6 existing exist VERB bracis-19077 41 7 dataset dataset NOUN bracis-19077 41 8 for for ADP bracis-19077 41 9 this this DET bracis-19077 41 10 task task NOUN bracis-19077 41 11 ( ( PUNCT bracis-19077 41 12 reli reli PROPN bracis-19077 41 13 corpus corpus PROPN bracis-19077 41 14     SPACE bracis-19077 42 1 [ [ X bracis-19077 42 2 12 12 NUM bracis-19077 42 3 ] ] PUNCT bracis-19077 42 4 ) ) PUNCT bracis-19077 42 5 . . PUNCT bracis-19077 43 1 other other ADJ bracis-19077 43 2 datasets dataset NOUN bracis-19077 43 3     SPACE bracis-19077 43 4 [ [ X bracis-19077 43 5 11 11 NUM bracis-19077 43 6 , , PUNCT bracis-19077 43 7 13 13 NUM bracis-19077 43 8 , , PUNCT bracis-19077 43 9 28 28 NUM bracis-19077 43 10 ] ] PUNCT bracis-19077 43 11 related relate VERB bracis-19077 43 12 to to ADP bracis-19077 43 13 absa absa PROPN bracis-19077 43 14 in in ADP bracis-19077 43 15 portuguese portuguese PROPN bracis-19077 43 16 do do AUX bracis-19077 43 17 not not PART bracis-19077 43 18 have have VERB bracis-19077 43 19 the the DET bracis-19077 43 20 proper proper ADJ bracis-19077 43 21 labeling labeling NOUN bracis-19077 43 22 for for ADP bracis-19077 43 23 aste aste NOUN bracis-19077 43 24 tasks task NOUN bracis-19077 43 25 . . PUNCT bracis-19077 44 1 2 2 NUM bracis-19077 44 2 related relate VERB bracis-19077 44 3 work work NOUN bracis-19077 44 4 absa absa NOUN bracis-19077 44 5 includes include VERB bracis-19077 44 6 several several ADJ bracis-19077 44 7 subtasks subtask NOUN bracis-19077 44 8 that that PRON bracis-19077 44 9 vary vary VERB bracis-19077 44 10 according accord VERB bracis-19077 44 11 to to ADP bracis-19077 44 12 the the DET bracis-19077 44 13 domain domain NOUN bracis-19077 44 14 of of ADP bracis-19077 44 15 the the DET bracis-19077 44 16 target target NOUN bracis-19077 44 17 term term NOUN bracis-19077 44 18 . . PUNCT bracis-19077 45 1 xu xu PROPN bracis-19077 45 2 et et PROPN bracis-19077 46 1 al al PROPN bracis-19077 46 2 . . PUNCT bracis-19077 46 3     SPACE bracis-19077 47 1 [ [ X bracis-19077 47 2 31 31 NUM bracis-19077 47 3 ] ] PUNCT bracis-19077 47 4 developed develop VERB bracis-19077 47 5 a a DET bracis-19077 47 6 model model NOUN bracis-19077 47 7 based base VERB bracis-19077 47 8 on on ADP bracis-19077 47 9 bilstm bilstm NOUN bracis-19077 47 10 networks network NOUN bracis-19077 47 11 , , PUNCT bracis-19077 47 12 attention attention NOUN bracis-19077 47 13 and and CCONJ bracis-19077 47 14 conditional conditional ADJ bracis-19077 47 15 random random ADJ bracis-19077 47 16 fields field NOUN bracis-19077 47 17 ( ( PUNCT bracis-19077 47 18 crf crf NOUN bracis-19077 47 19 ) ) PUNCT bracis-19077 47 20 , , PUNCT bracis-19077 47 21 aiming aim VERB bracis-19077 47 22 to to PART bracis-19077 47 23 extract extract VERB bracis-19077 47 24 an an DET bracis-19077 47 25 opinion opinion NOUN bracis-19077 47 26 term term NOUN bracis-19077 47 27 given give VERB bracis-19077 47 28 an an DET bracis-19077 47 29 aspect aspect NOUN bracis-19077 47 30 term term NOUN bracis-19077 47 31 as as ADP bracis-19077 47 32 input input NOUN bracis-19077 47 33 . . PUNCT bracis-19077 48 1 their their PRON bracis-19077 48 2 main main ADJ bracis-19077 48 3 contribution contribution NOUN bracis-19077 48 4 is be AUX bracis-19077 48 5 the the DET bracis-19077 48 6 model model NOUN bracis-19077 48 7 ’s ’s PART bracis-19077 48 8 capability capability NOUN bracis-19077 48 9 of of ADP bracis-19077 48 10 capturing capture VERB bracis-19077 48 11 variable variable ADJ bracis-19077 48 12 - - PUNCT bracis-19077 48 13 length length NOUN bracis-19077 48 14 opinion opinion NOUN bracis-19077 48 15 spans span NOUN bracis-19077 48 16 . . PUNCT bracis-19077 49 1 this this DET bracis-19077 49 2 model model NOUN bracis-19077 49 3 can can AUX bracis-19077 49 4 not not PART bracis-19077 49 5 manage manage VERB bracis-19077 49 6 overlapped overlapped ADJ bracis-19077 49 7 aspects aspect NOUN bracis-19077 49 8 / / SYM bracis-19077 49 9 opinions opinion NOUN bracis-19077 49 10 . . PUNCT bracis-19077 50 1 he he PRON bracis-19077 50 2 et et PROPN bracis-19077 50 3 al al PROPN bracis-19077 50 4 . . PUNCT bracis-19077 50 5     SPACE bracis-19077 51 1 [ [ X bracis-19077 51 2 17 17 NUM bracis-19077 51 3 ] ] PUNCT bracis-19077 51 4 work work NOUN bracis-19077 51 5 on on ADP bracis-19077 51 6 aspect aspect NOUN bracis-19077 51 7 - - PUNCT bracis-19077 51 8 sentiment sentiment NOUN bracis-19077 51 9 pair pair NOUN bracis-19077 51 10 extraction extraction NOUN bracis-19077 51 11 task task NOUN bracis-19077 51 12 . . PUNCT bracis-19077 52 1 they they PRON bracis-19077 52 2 created create VERB bracis-19077 52 3 a a DET bracis-19077 52 4 model model NOUN bracis-19077 52 5 using use VERB bracis-19077 52 6 cnn cnn PROPN bracis-19077 52 7 layers layer NOUN bracis-19077 52 8 and and CCONJ bracis-19077 52 9 an an DET bracis-19077 52 10 attention attention NOUN bracis-19077 52 11 mechanism mechanism NOUN bracis-19077 52 12 . . PUNCT bracis-19077 53 1 it it PRON bracis-19077 53 2 incorporates incorporate VERB bracis-19077 53 3 two two NUM bracis-19077 53 4 document document NOUN bracis-19077 53 5 - - PUNCT bracis-19077 53 6 level level NOUN bracis-19077 53 7 classification classification NOUN bracis-19077 53 8 tasks task NOUN bracis-19077 53 9 to to PART bracis-19077 53 10 be be AUX bracis-19077 53 11 jointly jointly ADV bracis-19077 53 12 trained train VERB bracis-19077 53 13 with with ADP bracis-19077 53 14 aspect aspect NOUN bracis-19077 53 15 extraction extraction NOUN bracis-19077 53 16 and and CCONJ bracis-19077 53 17 aspect aspect NOUN bracis-19077 53 18 - - PUNCT bracis-19077 53 19 level level NOUN bracis-19077 53 20 sentiment sentiment NOUN bracis-19077 53 21 classification classification NOUN bracis-19077 53 22 , , PUNCT bracis-19077 53 23 allowing allow VERB bracis-19077 53 24 aspect aspect NOUN bracis-19077 53 25 - - PUNCT bracis-19077 53 26 level level NOUN bracis-19077 53 27 tasks task NOUN bracis-19077 53 28 to to PART bracis-19077 53 29 benefit benefit VERB bracis-19077 53 30 from from ADP bracis-19077 53 31 document document NOUN bracis-19077 53 32 - - PUNCT bracis-19077 53 33 level level NOUN bracis-19077 53 34 information information NOUN bracis-19077 53 35 . . PUNCT bracis-19077 54 1 this this DET bracis-19077 54 2 model model NOUN bracis-19077 54 3 requires require VERB bracis-19077 54 4 outputs output NOUN bracis-19077 54 5 intensively intensively ADV bracis-19077 54 6 annotated annotate VERB bracis-19077 54 7 to to PART bracis-19077 54 8 validate validate VERB bracis-19077 54 9 the the DET bracis-19077 54 10 results result NOUN bracis-19077 54 11 . . PUNCT bracis-19077 55 1 aspect aspect NOUN bracis-19077 55 2 / / SYM bracis-19077 55 3 target target NOUN bracis-19077 55 4 term term NOUN bracis-19077 55 5 sentiment sentiment NOUN bracis-19077 55 6 classification classification NOUN bracis-19077 55 7 is be AUX bracis-19077 55 8 another another DET bracis-19077 55 9 subtask subtask NOUN bracis-19077 55 10 commonly commonly ADV bracis-19077 55 11 addressed address VERB bracis-19077 55 12 in in ADP bracis-19077 55 13 absa absa PROPN bracis-19077 55 14 , , PUNCT bracis-19077 55 15 approached approach VERB bracis-19077 55 16 for for ADP bracis-19077 55 17 instance instance NOUN bracis-19077 55 18 by by ADP bracis-19077 55 19 cui cui NOUN bracis-19077 55 20 and and CCONJ bracis-19077 55 21 maojie maojie ADJ bracis-19077 55 22     SPACE bracis-19077 56 1 [ [ X bracis-19077 56 2 5 5 NUM bracis-19077 56 3 ] ] PUNCT bracis-19077 56 4 and and CCONJ bracis-19077 56 5 han han PROPN bracis-19077 56 6 et et PROPN bracis-19077 56 7 al al PROPN bracis-19077 56 8 . . PUNCT bracis-19077 56 9     SPACE bracis-19077 57 1 [ [ X bracis-19077 57 2 16 16 NUM bracis-19077 57 3 ] ] PUNCT bracis-19077 57 4 . . PUNCT bracis-19077 58 1 both both DET bracis-19077 58 2 works work VERB bracis-19077 58 3 employed employ VERB bracis-19077 58 4 bigru bigru NOUN bracis-19077 58 5 / / SYM bracis-19077 58 6 lstm lstm NOUN bracis-19077 58 7 and and CCONJ bracis-19077 58 8 attention attention NOUN bracis-19077 58 9 mechanisms mechanism NOUN bracis-19077 58 10 to to PART bracis-19077 58 11 attenuate attenuate VERB bracis-19077 58 12 irrelevant irrelevant ADJ bracis-19077 58 13 information information NOUN bracis-19077 58 14 , , PUNCT bracis-19077 58 15 but but CCONJ bracis-19077 58 16 neither neither PRON bracis-19077 58 17 of of ADP bracis-19077 58 18 them they PRON bracis-19077 58 19 can can AUX bracis-19077 58 20 manage manage VERB bracis-19077 58 21 overlapped overlapped ADJ bracis-19077 58 22 sentiments sentiment NOUN bracis-19077 58 23 . . PUNCT bracis-19077 59 1 meanwhile meanwhile ADV bracis-19077 59 2 , , PUNCT bracis-19077 59 3 fan fan PROPN bracis-19077 59 4 et et PROPN bracis-19077 59 5 al al PROPN bracis-19077 59 6 . . PUNCT bracis-19077 59 7     SPACE bracis-19077 60 1 [ [ X bracis-19077 60 2 10 10 NUM bracis-19077 60 3 ] ] X bracis-19077 60 4 focused focus VERB bracis-19077 60 5 their their PRON bracis-19077 60 6 work work NOUN bracis-19077 60 7 on on ADP bracis-19077 60 8 target target NOUN bracis-19077 60 9 - - PUNCT bracis-19077 60 10 oriented orient VERB bracis-19077 60 11 opinion opinion NOUN bracis-19077 60 12 words word NOUN bracis-19077 60 13 - - PUNCT bracis-19077 60 14 extraction extraction NOUN bracis-19077 60 15 ( ( PUNCT bracis-19077 60 16 towe towe NOUN bracis-19077 60 17 ) ) PUNCT bracis-19077 60 18 , , PUNCT bracis-19077 60 19 which which PRON bracis-19077 60 20 aims aim VERB bracis-19077 60 21 to to PART bracis-19077 60 22 extract extract VERB bracis-19077 60 23 aspect aspect NOUN bracis-19077 60 24 - - PUNCT bracis-19077 60 25 opinion opinion NOUN bracis-19077 60 26 tuples tuple NOUN bracis-19077 60 27 given give VERB bracis-19077 60 28 an an DET bracis-19077 60 29 aspect(s aspect(s NOUN bracis-19077 60 30 ) ) PUNCT bracis-19077 60 31 as as ADP bracis-19077 60 32 input input NOUN bracis-19077 60 33 . . PUNCT bracis-19077 61 1 to to PART bracis-19077 61 2 achieve achieve VERB bracis-19077 61 3 that that PRON bracis-19077 61 4 , , PUNCT bracis-19077 61 5 they they PRON bracis-19077 61 6 proposed propose VERB bracis-19077 61 7 an an DET bracis-19077 61 8 inward inward ADV bracis-19077 61 9 - - PUNCT bracis-19077 61 10 outward outward ADJ bracis-19077 61 11 lstm lstm NOUN bracis-19077 61 12 to to PART bracis-19077 61 13 get get VERB bracis-19077 61 14 information information NOUN bracis-19077 61 15 from from ADP bracis-19077 61 16 the the DET bracis-19077 61 17 left left NOUN bracis-19077 61 18 and and CCONJ bracis-19077 61 19 the the DET bracis-19077 61 20 right right ADJ bracis-19077 61 21 contexts contexts NOUN bracis-19077 61 22 of of ADP bracis-19077 61 23 the the DET bracis-19077 61 24 target target NOUN bracis-19077 61 25 . . PUNCT bracis-19077 62 1 this this DET bracis-19077 62 2 work work NOUN bracis-19077 62 3 can can AUX bracis-19077 62 4 handle handle VERB bracis-19077 62 5 overlapped overlapped ADJ bracis-19077 62 6 aspect aspect NOUN bracis-19077 62 7 / / SYM bracis-19077 62 8 opinion opinion NOUN bracis-19077 62 9 . . PUNCT bracis-19077 63 1 aspect aspect PROPN bracis-19077 63 2 sentiment sentiment NOUN bracis-19077 63 3 triplet triplet NOUN bracis-19077 63 4 extraction extraction NOUN bracis-19077 63 5 was be AUX bracis-19077 63 6 recently recently ADV bracis-19077 63 7 proposed propose VERB bracis-19077 63 8 by by ADP bracis-19077 63 9 peng peng PROPN bracis-19077 63 10 et et PROPN bracis-19077 63 11     SPACE bracis-19077 63 12 al al PROPN bracis-19077 63 13 . . PUNCT bracis-19077 64 1 [ [ X bracis-19077 64 2 24 24 NUM bracis-19077 64 3 ] ] PUNCT bracis-19077 64 4 , , PUNCT bracis-19077 64 5 and and CCONJ bracis-19077 64 6 they they PRON bracis-19077 64 7 put put VERB bracis-19077 64 8 forward forward ADV bracis-19077 64 9 a a DET bracis-19077 64 10 two two NUM bracis-19077 64 11 - - PUNCT bracis-19077 64 12 stage stage NOUN bracis-19077 64 13 framework framework NOUN bracis-19077 64 14 to to PART bracis-19077 64 15 extract extract VERB bracis-19077 64 16 opinion opinion NOUN bracis-19077 64 17 triplets triplet NOUN bracis-19077 64 18 . . PUNCT bracis-19077 65 1 in in ADP bracis-19077 65 2 the the DET bracis-19077 65 3 first first ADJ bracis-19077 65 4 stage stage NOUN bracis-19077 65 5 , , PUNCT bracis-19077 65 6 they they PRON bracis-19077 65 7 initially initially ADV bracis-19077 65 8 used use VERB bracis-19077 65 9 a a DET bracis-19077 65 10 neural neural ADJ bracis-19077 65 11 network network NOUN bracis-19077 65 12 based base VERB bracis-19077 65 13 on on ADP bracis-19077 65 14 bilstm bilstm NOUN bracis-19077 65 15 and and CCONJ bracis-19077 65 16 graph graph VERB bracis-19077 65 17 convolutional convolutional ADJ bracis-19077 65 18 networks network NOUN bracis-19077 65 19 to to PART bracis-19077 65 20 extract extract VERB bracis-19077 65 21 aspects aspect NOUN bracis-19077 65 22 - - PUNCT bracis-19077 65 23 sentiments sentiment NOUN bracis-19077 65 24 pairs pair NOUN bracis-19077 65 25 and and CCONJ bracis-19077 65 26 opinion opinion NOUN bracis-19077 65 27 terms term NOUN bracis-19077 65 28 separately separately ADV bracis-19077 65 29 . . PUNCT bracis-19077 66 1 then then ADV bracis-19077 66 2 , , PUNCT bracis-19077 66 3 to to PART bracis-19077 66 4 detect detect VERB bracis-19077 66 5 the the DET bracis-19077 66 6 relationship relationship NOUN bracis-19077 66 7 between between ADP bracis-19077 66 8 aspect aspect NOUN bracis-19077 66 9 terms term NOUN bracis-19077 66 10 and and CCONJ bracis-19077 66 11 opinion opinion NOUN bracis-19077 66 12 terms term NOUN bracis-19077 66 13 in in ADP bracis-19077 66 14 the the DET bracis-19077 66 15 second second ADJ bracis-19077 66 16 stage stage NOUN bracis-19077 66 17 , , PUNCT bracis-19077 66 18 a a DET bracis-19077 66 19 lstm lstm ADJ bracis-19077 66 20 network network NOUN bracis-19077 66 21 and and CCONJ bracis-19077 66 22 pretrained pretraine VERB bracis-19077 66 23 word word NOUN bracis-19077 66 24 embeddings embedding NOUN bracis-19077 66 25 are be AUX bracis-19077 66 26 employed employ VERB bracis-19077 66 27 . . PUNCT bracis-19077 67 1 this this DET bracis-19077 67 2 pipeline pipeline NOUN bracis-19077 67 3 approach approach NOUN bracis-19077 67 4 might might AUX bracis-19077 67 5 suffer suffer VERB bracis-19077 67 6 from from ADP bracis-19077 67 7 error error NOUN bracis-19077 67 8 propagation propagation NOUN bracis-19077 67 9 . . PUNCT bracis-19077 68 1 to to PART bracis-19077 68 2 handle handle VERB bracis-19077 68 3 error error NOUN bracis-19077 68 4 propagation propagation NOUN bracis-19077 68 5 problems problem NOUN bracis-19077 68 6 in in ADP bracis-19077 68 7 multi multi ADJ bracis-19077 68 8 - - ADJ bracis-19077 68 9 stage stage ADJ bracis-19077 68 10 frameworks framework NOUN bracis-19077 68 11 , , PUNCT bracis-19077 68 12 wu wu PROPN bracis-19077 68 13 et et PROPN bracis-19077 68 14     SPACE bracis-19077 68 15 al al PROPN bracis-19077 68 16 . . PUNCT bracis-19077 69 1 [ [ X bracis-19077 69 2 30 30 NUM bracis-19077 69 3 ] ] PUNCT bracis-19077 69 4 proposed propose VERB bracis-19077 69 5 a a DET bracis-19077 69 6 tagging tagging NOUN bracis-19077 69 7 scheme scheme NOUN bracis-19077 69 8 model model NOUN bracis-19077 69 9 , , PUNCT bracis-19077 69 10 which which PRON bracis-19077 69 11 is be AUX bracis-19077 69 12 implemented implement VERB bracis-19077 69 13 in in ADP bracis-19077 69 14 three three NUM bracis-19077 69 15 variants variant NOUN bracis-19077 69 16 , , PUNCT bracis-19077 69 17 using use VERB bracis-19077 69 18 cnn cnn PROPN bracis-19077 69 19 , , PUNCT bracis-19077 69 20 bilstm bilstm NOUN bracis-19077 69 21 or or CCONJ bracis-19077 69 22 bert bert NOUN bracis-19077 69 23 . . PUNCT bracis-19077 70 1 advantages advantage NOUN bracis-19077 70 2 of of ADP bracis-19077 70 3 this this DET bracis-19077 70 4 approach approach NOUN bracis-19077 70 5 include include VERB bracis-19077 70 6 the the DET bracis-19077 70 7 following follow VERB bracis-19077 70 8 : : PUNCT bracis-19077 70 9 only only ADV bracis-19077 70 10 raw raw ADJ bracis-19077 70 11 reviews review NOUN bracis-19077 70 12 are be AUX bracis-19077 70 13 required require VERB bracis-19077 70 14 as as ADP bracis-19077 70 15 input input NOUN bracis-19077 70 16 ; ; PUNCT bracis-19077 70 17 this this DET bracis-19077 70 18 model model NOUN bracis-19077 70 19 can can AUX bracis-19077 70 20 extract extract VERB bracis-19077 70 21 all all DET bracis-19077 70 22 opinion opinion NOUN bracis-19077 70 23 factors factor NOUN bracis-19077 70 24 of of ADP bracis-19077 70 25 opinion opinion NOUN bracis-19077 70 26 pair pair NOUN bracis-19077 70 27 extraction extraction NOUN bracis-19077 70 28 in in ADP bracis-19077 70 29 one one NUM bracis-19077 70 30 step step NOUN bracis-19077 70 31 , , PUNCT bracis-19077 70 32 instead instead ADV bracis-19077 70 33 of of ADP bracis-19077 70 34 pipelines pipeline NOUN bracis-19077 70 35 ; ; PUNCT bracis-19077 70 36 and and CCONJ bracis-19077 70 37 it it PRON bracis-19077 70 38 is be AUX bracis-19077 70 39 easily easily ADV bracis-19077 70 40 extended extend VERB bracis-19077 70 41 to to ADP bracis-19077 70 42 other other ADJ bracis-19077 70 43 pair pair NOUN bracis-19077 70 44 / / SYM bracis-19077 70 45 triplet triplet NOUN bracis-19077 70 46 extraction extraction NOUN bracis-19077 70 47 tasks task NOUN bracis-19077 70 48 from from ADP bracis-19077 70 49 text text NOUN bracis-19077 70 50 . . PUNCT bracis-19077 71 1 the the DET bracis-19077 71 2 most most ADV bracis-19077 71 3 important important ADJ bracis-19077 71 4 limitation limitation NOUN bracis-19077 71 5 is be AUX bracis-19077 71 6 again again ADV bracis-19077 71 7 that that SCONJ bracis-19077 71 8 outputs output NOUN bracis-19077 71 9 must must AUX bracis-19077 71 10 be be AUX bracis-19077 71 11 intensively intensively ADV bracis-19077 71 12 annotated annotate VERB bracis-19077 71 13 for for SCONJ bracis-19077 71 14 the the DET bracis-19077 71 15 results result NOUN bracis-19077 71 16 to to PART bracis-19077 71 17 be be AUX bracis-19077 71 18 validated validate VERB bracis-19077 71 19 . . PUNCT bracis-19077 72 1 zhang zhang PROPN bracis-19077 72 2 et et PROPN bracis-19077 72 3 al al PROPN bracis-19077 72 4 . . PUNCT bracis-19077 72 5     SPACE bracis-19077 73 1 [ [ X bracis-19077 73 2 32 32 NUM bracis-19077 73 3 ] ] PUNCT bracis-19077 73 4 developed develop VERB bracis-19077 73 5 a a DET bracis-19077 73 6 framework framework NOUN bracis-19077 73 7 that that PRON bracis-19077 73 8 can can AUX bracis-19077 73 9 handle handle VERB bracis-19077 73 10 overlapping overlap VERB bracis-19077 73 11 sentences sentence NOUN bracis-19077 73 12 , , PUNCT bracis-19077 73 13 only only ADV bracis-19077 73 14 requires require VERB bracis-19077 73 15 raw raw ADJ bracis-19077 73 16 review review NOUN bracis-19077 73 17 as as ADP bracis-19077 73 18 input input NOUN bracis-19077 73 19 , , PUNCT bracis-19077 73 20 and and CCONJ bracis-19077 73 21 that that PRON bracis-19077 73 22 is be AUX bracis-19077 73 23 not not PART bracis-19077 73 24 multi multi ADJ bracis-19077 73 25 - - NOUN bracis-19077 73 26 stage stage NOUN bracis-19077 73 27 like like ADP bracis-19077 73 28 the the DET bracis-19077 73 29 above above ADP bracis-19077 73 30 one one NUM bracis-19077 73 31 . . PUNCT bracis-19077 74 1 the the DET bracis-19077 74 2 model model NOUN bracis-19077 74 3 structure structure NOUN bracis-19077 74 4 consists consist VERB bracis-19077 74 5 of of ADP bracis-19077 74 6 a a DET bracis-19077 74 7 word word NOUN bracis-19077 74 8 embedding embed VERB bracis-19077 74 9 ( ( PUNCT bracis-19077 74 10 glove glove NOUN bracis-19077 74 11 ) ) PUNCT bracis-19077 74 12 attached attach VERB bracis-19077 74 13 to to ADP bracis-19077 74 14 a a DET bracis-19077 74 15 bilstm bilstm NOUN bracis-19077 74 16 layer layer NOUN bracis-19077 74 17 , , PUNCT bracis-19077 74 18 which which PRON bracis-19077 74 19 they they PRON bracis-19077 74 20 use use VERB bracis-19077 74 21 as as ADP bracis-19077 74 22 a a DET bracis-19077 74 23 context context NOUN bracis-19077 74 24 sentence sentence NOUN bracis-19077 74 25 encoder encoder NOUN bracis-19077 74 26 . . PUNCT bracis-19077 75 1 the the DET bracis-19077 75 2 bilstm bilstm NOUN bracis-19077 75 3 output output NOUN bracis-19077 75 4 h h NOUN bracis-19077 75 5 is be AUX bracis-19077 75 6 passed pass VERB bracis-19077 75 7 to to ADP bracis-19077 75 8 relu relu NOUN bracis-19077 75 9 layers layer NOUN bracis-19077 75 10 , , PUNCT bracis-19077 75 11 which which PRON bracis-19077 75 12 apply apply VERB bracis-19077 75 13 dimension dimension NOUN bracis-19077 75 14 - - PUNCT bracis-19077 75 15 reduction reduction NOUN bracis-19077 75 16 to to PART bracis-19077 75 17 strip strip VERB bracis-19077 75 18 away away ADV bracis-19077 75 19 irrelevant irrelevant ADJ bracis-19077 75 20 features feature NOUN bracis-19077 75 21 . . PUNCT bracis-19077 76 1 finally finally ADV bracis-19077 76 2 , , PUNCT bracis-19077 76 3 two two NUM bracis-19077 76 4 independent independent ADJ bracis-19077 76 5 softmax softmax NOUN bracis-19077 76 6 layers layer NOUN bracis-19077 76 7 obtain obtain VERB bracis-19077 76 8 distributions distribution NOUN bracis-19077 76 9 over over ADP bracis-19077 76 10 the the DET bracis-19077 76 11 labels label NOUN bracis-19077 76 12 that that PRON bracis-19077 76 13 denote denote VERB bracis-19077 76 14 an an DET bracis-19077 76 15 aspect aspect NOUN bracis-19077 76 16 - - PUNCT bracis-19077 76 17 opinion opinion NOUN bracis-19077 76 18 term term NOUN bracis-19077 76 19 . . PUNCT bracis-19077 77 1 a a DET bracis-19077 77 2 biaffine biaffine PROPN bracis-19077 77 3 scorer scorer NOUN bracis-19077 77 4     SPACE bracis-19077 78 1 [ [ X bracis-19077 78 2 9 9 NUM bracis-19077 78 3 ] ] PUNCT bracis-19077 78 4 to to PART bracis-19077 78 5 determine determine VERB bracis-19077 78 6 if if SCONJ bracis-19077 78 7 the the DET bracis-19077 78 8 sentiment sentiment NOUN bracis-19077 78 9 dependency dependency NOUN bracis-19077 78 10 between between ADP bracis-19077 78 11 each each DET bracis-19077 78 12 word word NOUN bracis-19077 78 13 pair pair NOUN bracis-19077 78 14 is be AUX bracis-19077 78 15 neutral neutral ADJ bracis-19077 78 16 , , PUNCT bracis-19077 78 17 negative negative ADJ bracis-19077 78 18 , , PUNCT bracis-19077 78 19 positive positive ADJ bracis-19077 78 20 , , PUNCT bracis-19077 78 21 or or CCONJ bracis-19077 78 22 null null NOUN bracis-19077 78 23 . . PUNCT bracis-19077 79 1 unlike unlike ADP bracis-19077 79 2 the the DET bracis-19077 79 3 works work NOUN bracis-19077 79 4 developed develop VERB bracis-19077 79 5 for for ADP bracis-19077 79 6 english english PROPN bracis-19077 79 7 , , PUNCT bracis-19077 79 8 in in ADP bracis-19077 79 9 portuguese portuguese ADJ bracis-19077 79 10 , , PUNCT bracis-19077 79 11 no no DET bracis-19077 79 12 available available ADJ bracis-19077 79 13 models model NOUN bracis-19077 79 14 were be AUX bracis-19077 79 15 found find VERB bracis-19077 79 16 in in ADP bracis-19077 79 17 aste aste NOUN bracis-19077 79 18 . . PUNCT bracis-19077 80 1 the the DET bracis-19077 80 2 most most ADV bracis-19077 80 3 remarkable remarkable ADJ bracis-19077 80 4 works work NOUN bracis-19077 80 5 are be AUX bracis-19077 80 6 focused focus VERB bracis-19077 80 7 on on ADP bracis-19077 80 8 aspect aspect NOUN bracis-19077 80 9 extraction extraction NOUN bracis-19077 80 10 and and CCONJ bracis-19077 80 11 aspect aspect NOUN bracis-19077 80 12 - - PUNCT bracis-19077 80 13 sentiment sentiment NOUN bracis-19077 80 14 pair pair NOUN bracis-19077 80 15 extraction extraction NOUN bracis-19077 80 16 . . PUNCT bracis-19077 81 1 cardoso cardoso PROPN bracis-19077 81 2 and and CCONJ bracis-19077 81 3 pereira pereira PROPN bracis-19077 81 4     SPACE bracis-19077 82 1 [ [ X bracis-19077 82 2 4 4 X bracis-19077 82 3 ] ] PUNCT bracis-19077 82 4 used use VERB bracis-19077 82 5 crf crf PROPN bracis-19077 82 6 and and CCONJ bracis-19077 82 7 oplexicon oplexicon NOUN bracis-19077 82 8 to to PART bracis-19077 82 9 deal deal VERB bracis-19077 82 10 with with ADP bracis-19077 82 11 aspect aspect NOUN bracis-19077 82 12 sentiment sentiment NOUN bracis-19077 82 13 classification classification NOUN bracis-19077 82 14 . . PUNCT bracis-19077 83 1 aires aires PROPN bracis-19077 83 2 et et PROPN bracis-19077 83 3 al al PROPN bracis-19077 83 4 . . PUNCT bracis-19077 83 5     SPACE bracis-19077 84 1 [ [ X bracis-19077 84 2 1 1 X bracis-19077 84 3 ] ] PUNCT bracis-19077 84 4 developed develop VERB bracis-19077 84 5 two two NUM bracis-19077 84 6 models model NOUN bracis-19077 84 7 , , PUNCT bracis-19077 84 8 one one NUM bracis-19077 84 9 based base VERB bracis-19077 84 10 on on ADP bracis-19077 84 11 svm svm PROPN bracis-19077 84 12 and and CCONJ bracis-19077 84 13 one one NUM bracis-19077 84 14 employing employ VERB bracis-19077 84 15 an an DET bracis-19077 84 16 lstm lstm ADJ bracis-19077 84 17 network network NOUN bracis-19077 84 18 . . PUNCT bracis-19077 85 1 saias saias PROPN bracis-19077 85 2 et et PROPN bracis-19077 85 3 al al PROPN bracis-19077 85 4 . . PUNCT bracis-19077 85 5     SPACE bracis-19077 86 1 [ [ X bracis-19077 86 2 26 26 NUM bracis-19077 86 3 ] ] PUNCT bracis-19077 86 4 opted opt VERB bracis-19077 86 5 for for ADP bracis-19077 86 6 three three NUM bracis-19077 86 7 methods method NOUN bracis-19077 86 8 : : PUNCT bracis-19077 86 9 maximum maximum ADJ bracis-19077 86 10 entropy entropy PROPN bracis-19077 86 11 classifier classifier NOUN bracis-19077 86 12 , , PUNCT bracis-19077 86 13 sentiment sentiment NOUN bracis-19077 86 14 lexicon lexicon ADJ bracis-19077 86 15 sentilex sentilex NOUN bracis-19077 86 16 - - PUNCT bracis-19077 86 17 pt pt NOUN bracis-19077 86 18 and and CCONJ bracis-19077 86 19 rule rule NOUN bracis-19077 86 20 - - PUNCT bracis-19077 86 21 based base VERB bracis-19077 86 22 methods method NOUN bracis-19077 86 23 , , PUNCT bracis-19077 86 24 with with ADP bracis-19077 86 25 the the DET bracis-19077 86 26 last last ADJ bracis-19077 86 27 two two NUM bracis-19077 86 28 focusing focus VERB bracis-19077 86 29 on on ADP bracis-19077 86 30 aspect aspect NOUN bracis-19077 86 31 - - PUNCT bracis-19077 86 32 sentiment sentiment NOUN bracis-19077 86 33 pair pair NOUN bracis-19077 86 34 extraction extraction NOUN bracis-19077 86 35 . . PUNCT bracis-19077 87 1 finally finally ADV bracis-19077 87 2 , , PUNCT bracis-19077 87 3 balage balage NOUN bracis-19077 87 4 f. f. PROPN bracis-19077 87 5     SPACE bracis-19077 88 1 [ [ X bracis-19077 88 2 2 2 NUM bracis-19077 88 3 ] ] PUNCT bracis-19077 88 4 used use VERB bracis-19077 88 5 clustering clustering NOUN bracis-19077 88 6 techniques technique NOUN bracis-19077 88 7 , , PUNCT bracis-19077 88 8 word2vec word2vec X bracis-19077 88 9 embeddings embedding NOUN bracis-19077 88 10 and and CCONJ bracis-19077 88 11 crf crf NOUN bracis-19077 88 12 to to PART bracis-19077 88 13 implement implement VERB bracis-19077 88 14 an an DET bracis-19077 88 15 unsupervised unsupervised ADJ bracis-19077 88 16 model model NOUN bracis-19077 88 17 . . PUNCT bracis-19077 89 1 3 3 NUM bracis-19077 89 2 proposed propose VERB bracis-19077 89 3 framework framework NOUN bracis-19077 89 4 our our PRON bracis-19077 89 5 frameworkfootnote frameworkfootnote NOUN bracis-19077 89 6 1 1 NUM bracis-19077 89 7 ( ( PUNCT bracis-19077 89 8 bert bert NOUN bracis-19077 89 9 for for ADP bracis-19077 89 10 opinion opinion NOUN bracis-19077 89 11 triplet triplet NOUN bracis-19077 89 12 extraccion extraccion NOUN bracis-19077 89 13 bote bote NOUN bracis-19077 89 14 ) ) PUNCT bracis-19077 89 15 consists consist VERB bracis-19077 89 16 of of ADP bracis-19077 89 17 4 4 NUM bracis-19077 89 18 modules module NOUN bracis-19077 89 19 . . PUNCT bracis-19077 90 1 the the DET bracis-19077 90 2 overall overall ADJ bracis-19077 90 3 architecture architecture NOUN bracis-19077 90 4 is be AUX bracis-19077 90 5 shown show VERB bracis-19077 90 6 in in ADP bracis-19077 90 7 fig fig NOUN bracis-19077 90 8 . . PUNCT bracis-19077 90 9     SPACE bracis-19077 91 1 2 2 X bracis-19077 91 2 . . PUNCT bracis-19077 92 1 the the DET bracis-19077 92 2 sentence sentence NOUN bracis-19077 92 3 encoder encoder NOUN bracis-19077 92 4 module module NOUN bracis-19077 92 5 generates generate VERB bracis-19077 92 6 a a DET bracis-19077 92 7 set set NOUN bracis-19077 92 8 of of ADP bracis-19077 92 9 word word NOUN bracis-19077 92 10 vectors vector NOUN bracis-19077 92 11 , , PUNCT bracis-19077 92 12 which which PRON bracis-19077 92 13 encode encode VERB bracis-19077 92 14 semantic semantic ADJ bracis-19077 92 15 and and CCONJ bracis-19077 92 16 context context NOUN bracis-19077 92 17 information information NOUN bracis-19077 92 18 . . PUNCT bracis-19077 93 1 the the DET bracis-19077 93 2 aspect aspect NOUN bracis-19077 93 3 - - PUNCT bracis-19077 93 4 opinion opinion NOUN bracis-19077 93 5 representation representation NOUN bracis-19077 93 6 module module NOUN bracis-19077 93 7 extracts extract VERB bracis-19077 93 8 the the DET bracis-19077 93 9 aspect aspect NOUN bracis-19077 93 10 and and CCONJ bracis-19077 93 11 opinion opinion NOUN bracis-19077 93 12 features feature VERB bracis-19077 93 13 from from ADP bracis-19077 93 14 word word NOUN bracis-19077 93 15 vectors vector NOUN bracis-19077 93 16 . . PUNCT bracis-19077 94 1 then then ADV bracis-19077 94 2 , , PUNCT bracis-19077 94 3 the the DET bracis-19077 94 4 aspect aspect NOUN bracis-19077 94 5 - - PUNCT bracis-19077 94 6 opinion opinion NOUN bracis-19077 94 7 tagging tagging NOUN bracis-19077 94 8 module module NOUN bracis-19077 94 9 takes take VERB bracis-19077 94 10 as as ADP bracis-19077 94 11 input input NOUN bracis-19077 94 12 this this DET bracis-19077 94 13 feature feature NOUN bracis-19077 94 14 vector vector NOUN bracis-19077 94 15 to to PART bracis-19077 94 16 label label VERB bracis-19077 94 17 the the DET bracis-19077 94 18 word word NOUN bracis-19077 94 19 as as ADP bracis-19077 94 20 an an DET bracis-19077 94 21 aspect aspect NOUN bracis-19077 94 22 or or CCONJ bracis-19077 94 23 an an DET bracis-19077 94 24 opinion opinion NOUN bracis-19077 94 25 or or CCONJ bracis-19077 94 26 neither neither PRON bracis-19077 94 27 of of ADP bracis-19077 94 28 them they PRON bracis-19077 94 29 . . PUNCT bracis-19077 95 1 finally finally ADV bracis-19077 95 2 , , PUNCT bracis-19077 95 3 the the DET bracis-19077 95 4 sentiment sentiment NOUN bracis-19077 95 5 dependency dependency NOUN bracis-19077 95 6 between between ADP bracis-19077 95 7 aspect aspect NOUN bracis-19077 95 8 and and CCONJ bracis-19077 95 9 opinion opinion NOUN bracis-19077 95 10 vectors vector NOUN bracis-19077 95 11 is be AUX bracis-19077 95 12 detected detect VERB bracis-19077 95 13 by by ADP bracis-19077 95 14 the the DET bracis-19077 95 15 dependency dependency NOUN bracis-19077 95 16 parsing parse VERB bracis-19077 95 17 module module NOUN bracis-19077 95 18 . . PUNCT bracis-19077 96 1 fig fig NOUN bracis-19077 96 2 . . PUNCT bracis-19077 97 1 2 2 X bracis-19077 97 2 . . X bracis-19077 97 3 architectures architecture NOUN bracis-19077 97 4 of of ADP bracis-19077 97 5 our our PRON bracis-19077 97 6 model model NOUN bracis-19077 97 7 . . PUNCT bracis-19077 98 1 full full ADJ bracis-19077 98 2 size size NOUN bracis-19077 98 3 image image NOUN bracis-19077 98 4 3.1 3.1 NUM bracis-19077 98 5 problem problem NOUN bracis-19077 98 6 definition definition NOUN bracis-19077 98 7 our our PRON bracis-19077 98 8 aspect aspect NOUN bracis-19077 98 9 sentiment sentiment NOUN bracis-19077 98 10 triplet triplet NOUN bracis-19077 98 11 extraction extraction NOUN bracis-19077 98 12 ( ( PUNCT bracis-19077 98 13 aste aste NOUN bracis-19077 98 14 ) ) PUNCT bracis-19077 98 15     SPACE bracis-19077 99 1 [ [ X bracis-19077 99 2 24 24 NUM bracis-19077 99 3 ] ] X bracis-19077 99 4 problem problem NOUN bracis-19077 99 5 is be AUX bracis-19077 99 6 defined define VERB bracis-19077 99 7 as as ADP bracis-19077 99 8 , , PUNCT bracis-19077 99 9 given give VERB bracis-19077 99 10 a a DET bracis-19077 99 11 sentence sentence NOUN bracis-19077 99 12 \(s=\{w_{1},w_{2},w_{3}, \(s=\{w_{1},w_{2},w_{3}, NOUN bracis-19077 99 13 ... ... PUNCT bracis-19077 99 14 ,w_{n}\}\ ,w_{n}\}\ PUNCT bracis-19077 99 15 ) ) PUNCT bracis-19077 99 16 consisting consist VERB bracis-19077 99 17 of of ADP bracis-19077 99 18 n n DET bracis-19077 99 19 words word NOUN bracis-19077 99 20 , , PUNCT bracis-19077 99 21 extracting extract VERB bracis-19077 99 22 all all DET bracis-19077 99 23 possible possible ADJ bracis-19077 99 24 triplets triplet NOUN bracis-19077 99 25 \(t=\{(a \(t=\{(a VERB bracis-19077 99 26 , , PUNCT bracis-19077 99 27 o o NOUN bracis-19077 99 28 , , PUNCT bracis-19077 99 29 p)_{m}\}_{m=1}^{|t|}\ p)_{m}\}_{m=1}^{|t|}\ NOUN bracis-19077 99 30 ) ) PUNCT bracis-19077 99 31 from from ADP bracis-19077 99 32 s s PROPN bracis-19077 99 33 , , PUNCT bracis-19077 99 34 where where SCONJ bracis-19077 99 35 a a X bracis-19077 99 36 , , PUNCT bracis-19077 99 37 o o NOUN bracis-19077 99 38 and and CCONJ bracis-19077 99 39 p p PROPN bracis-19077 99 40 respectively respectively ADV bracis-19077 99 41 denote denote VERB bracis-19077 99 42 an an DET bracis-19077 99 43 n n CCONJ bracis-19077 99 44 - - PUNCT bracis-19077 99 45 gram gram NOUN bracis-19077 99 46 aspect aspect NOUN bracis-19077 99 47 term term NOUN bracis-19077 99 48 , , PUNCT bracis-19077 99 49 an an DET bracis-19077 99 50 n n CCONJ bracis-19077 99 51 - - PUNCT bracis-19077 99 52 gram gram NOUN bracis-19077 99 53 opinion opinion NOUN bracis-19077 99 54 term term NOUN bracis-19077 99 55 and and CCONJ bracis-19077 99 56 a a DET bracis-19077 99 57 sentiment sentiment NOUN bracis-19077 99 58 polarity polarity NOUN bracis-19077 99 59 ; ; PUNCT bracis-19077 99 60 \(a_{m}\ \(a_{m}\ PROPN bracis-19077 99 61 ) ) PUNCT bracis-19077 99 62 and and CCONJ bracis-19077 99 63 \(o_{m}\ \(o_{m}\ PROPN bracis-19077 99 64 ) ) PUNCT bracis-19077 99 65 can can AUX bracis-19077 99 66 be be AUX bracis-19077 99 67 represented represent VERB bracis-19077 99 68 as as ADP bracis-19077 99 69 their their PRON bracis-19077 99 70 start start NOUN bracis-19077 99 71 and and CCONJ bracis-19077 99 72 end end VERB bracis-19077 99 73 positions position NOUN bracis-19077 99 74 ( ( PUNCT bracis-19077 99 75 \(s_{m}\ \(s_{m}\ ADV bracis-19077 99 76 ) ) PUNCT bracis-19077 99 77 , , PUNCT bracis-19077 99 78 \(e_{m}\ \(e_{m}\ NOUN bracis-19077 99 79 ) ) PUNCT bracis-19077 99 80 ) ) PUNCT bracis-19077 100 1 in in ADP bracis-19077 100 2 s s PRON bracis-19077 100 3 and and CCONJ bracis-19077 100 4 \(p_m \(p_m VERB bracis-19077 100 5 \in \in PROPN bracis-19077 100 6 \{positive \{positive PROPN bracis-19077 100 7 , , PUNCT bracis-19077 100 8 negative negative ADJ bracis-19077 100 9 , , PUNCT bracis-19077 100 10 neutral\}\ neutral\}\ ADJ bracis-19077 100 11 ) ) PUNCT bracis-19077 100 12 . . PUNCT bracis-19077 101 1 note note VERB bracis-19077 101 2 that that SCONJ bracis-19077 101 3 this this DET bracis-19077 101 4 task task NOUN bracis-19077 101 5 involves involve VERB bracis-19077 101 6 dealing deal VERB bracis-19077 101 7 with with ADP bracis-19077 101 8 one one NUM bracis-19077 101 9 - - PUNCT bracis-19077 101 10 to to ADP bracis-19077 101 11 - - PUNCT bracis-19077 101 12 one one NUM bracis-19077 101 13 , , PUNCT bracis-19077 101 14 one one NUM bracis-19077 101 15 - - PUNCT bracis-19077 101 16 to to ADP bracis-19077 101 17 - - PUNCT bracis-19077 101 18 many many ADJ bracis-19077 101 19 and and CCONJ bracis-19077 101 20 many many ADJ bracis-19077 101 21 - - PUNCT bracis-19077 101 22 to to ADP bracis-19077 101 23 - - PUNCT bracis-19077 101 24 many many ADJ bracis-19077 101 25 relationships relationship NOUN bracis-19077 101 26 between between ADP bracis-19077 101 27 aspects aspect NOUN bracis-19077 101 28 and and CCONJ bracis-19077 101 29 opinions opinion NOUN bracis-19077 101 30 , , PUNCT bracis-19077 101 31 as as ADV bracis-19077 101 32 well well ADV bracis-19077 101 33 as as ADP bracis-19077 101 34 overlapped overlapped ADJ bracis-19077 101 35 sentences sentence NOUN bracis-19077 101 36 . . PUNCT bracis-19077 102 1 3.2 3.2 NUM bracis-19077 102 2 sentence sentence NOUN bracis-19077 102 3 encoding encoding NOUN bracis-19077 102 4 we we PRON bracis-19077 102 5 adopt adopt VERB bracis-19077 102 6 bert bert PROPN bracis-19077 102 7     SPACE bracis-19077 102 8 [ [ X bracis-19077 102 9 7 7 X bracis-19077 102 10 ] ] PUNCT bracis-19077 102 11 to to PART bracis-19077 102 12 encode encode VERB bracis-19077 102 13 sentences sentence NOUN bracis-19077 102 14 . . PUNCT bracis-19077 103 1 given give VERB bracis-19077 103 2 a a DET bracis-19077 103 3 sentence sentence NOUN bracis-19077 103 4 \(s=\{w_{i}\}_{i=1}^{|s|}\ \(s=\{w_{i}\}_{i=1}^{|s|}\ PROPN bracis-19077 103 5 ) ) PUNCT bracis-19077 103 6 we we PRON bracis-19077 103 7 get get VERB bracis-19077 103 8 a a DET bracis-19077 103 9 word word NOUN bracis-19077 103 10 - - PUNCT bracis-19077 103 11 vectors vector NOUN bracis-19077 103 12 set set VERB bracis-19077 103 13 \(v=\{v_{i}|v_i \(v=\{v_{i}|v_i ADJ bracis-19077 103 14 \in \in ADJ bracis-19077 103 15 \mathbb \mathbb PROPN bracis-19077 103 16 { { PUNCT bracis-19077 103 17 r}^{d_{b r}^{d_{b NOUN bracis-19077 103 18 } } PUNCT bracis-19077 103 19 } } PUNCT bracis-19077 103 20 \}_{i=1}^{|s|}\ \}_{i=1}^{|s|}\ NOUN bracis-19077 103 21 ) ) PUNCT bracis-19077 103 22 from from ADP bracis-19077 103 23 the the DET bracis-19077 103 24 \(n^{th}\ \(n^{th}\ NOUN bracis-19077 103 25 ) ) PUNCT bracis-19077 103 26 bert bert PROPN bracis-19077 103 27 hidden hide VERB bracis-19077 103 28 state state NOUN bracis-19077 103 29 , , PUNCT bracis-19077 103 30 where where SCONJ bracis-19077 103 31 \(d_b\ \(d_b\ NOUN bracis-19077 103 32 ) ) PUNCT bracis-19077 103 33 denote denote VERB bracis-19077 103 34 the the DET bracis-19077 103 35 dimensionality dimensionality NOUN bracis-19077 103 36 of of ADP bracis-19077 103 37 the the DET bracis-19077 103 38 bert bert PROPN bracis-19077 103 39 word word NOUN bracis-19077 103 40 - - PUNCT bracis-19077 103 41 vector vector NOUN bracis-19077 103 42 . . PUNCT bracis-19077 104 1 the the DET bracis-19077 104 2 capability capability NOUN bracis-19077 104 3 of of ADP bracis-19077 104 4 bert bert PROPN bracis-19077 104 5 to to PART bracis-19077 104 6 generate generate VERB bracis-19077 104 7 different different ADJ bracis-19077 104 8 word word NOUN bracis-19077 104 9 embeddings embedding NOUN bracis-19077 104 10 depending depend VERB bracis-19077 104 11 on on ADP bracis-19077 104 12 the the DET bracis-19077 104 13 context context NOUN bracis-19077 104 14 allows allow VERB bracis-19077 104 15 us we PRON bracis-19077 104 16 to to PART bracis-19077 104 17 obtain obtain VERB bracis-19077 104 18 feature feature NOUN bracis-19077 104 19 vectors vector NOUN bracis-19077 104 20 with with ADP bracis-19077 104 21 better well ADJ bracis-19077 104 22 semantic semantic ADJ bracis-19077 104 23 information information NOUN bracis-19077 104 24 ; ; PUNCT bracis-19077 104 25 for for ADP bracis-19077 104 26 example example NOUN bracis-19077 104 27 , , PUNCT bracis-19077 104 28 bert bert PROPN bracis-19077 104 29 vectors vector NOUN bracis-19077 104 30 can can AUX bracis-19077 104 31 deal deal VERB bracis-19077 104 32 with with ADP bracis-19077 104 33 homonyms homonym NOUN bracis-19077 104 34 . . PUNCT bracis-19077 105 1 additionally additionally ADV bracis-19077 105 2 , , PUNCT bracis-19077 105 3 bert bert PROPN bracis-19077 105 4 can can AUX bracis-19077 105 5 handle handle VERB bracis-19077 105 6 long long ADJ bracis-19077 105 7 reviews review NOUN bracis-19077 105 8 better well ADV bracis-19077 105 9 than than ADP bracis-19077 105 10 lstm lstm NOUN bracis-19077 105 11 networks network NOUN bracis-19077 105 12 , , PUNCT bracis-19077 105 13 thanks thank NOUN bracis-19077 105 14 to to ADP bracis-19077 105 15 attention attention NOUN bracis-19077 105 16 mechanisms mechanism NOUN bracis-19077 105 17 . . PUNCT bracis-19077 106 1 the the DET bracis-19077 106 2 bert bert PROPN bracis-19077 106 3 model model PROPN bracis-19077 106 4 works work VERB bracis-19077 106 5 with with ADP bracis-19077 106 6 wordpiece wordpiece PROPN bracis-19077 106 7     SPACE bracis-19077 107 1 [ [ X bracis-19077 107 2 7 7 NUM bracis-19077 107 3 ] ] PUNCT bracis-19077 107 4 , , PUNCT bracis-19077 107 5 therefore therefore ADV bracis-19077 107 6 , , PUNCT bracis-19077 107 7 from from ADP bracis-19077 107 8 the the DET bracis-19077 107 9 sentence sentence NOUN bracis-19077 107 10 s s X bracis-19077 107 11 , , PUNCT bracis-19077 107 12 we we PRON bracis-19077 107 13 obtain obtain VERB bracis-19077 107 14 token token ADJ bracis-19077 107 15 vectors vector NOUN bracis-19077 107 16 \(t_i\ \(t_i\ NOUN bracis-19077 107 17 ) ) PUNCT bracis-19077 107 18 instead instead ADV bracis-19077 107 19 of of ADP bracis-19077 107 20 word word NOUN bracis-19077 107 21 vectors vector NOUN bracis-19077 107 22 \(v_i\ \(v_i\ NOUN bracis-19077 107 23 ) ) PUNCT bracis-19077 107 24 . . PUNCT bracis-19077 108 1 a a DET bracis-19077 108 2 word word NOUN bracis-19077 108 3 can can AUX bracis-19077 108 4 be be AUX bracis-19077 108 5 formed form VERB bracis-19077 108 6 by by ADP bracis-19077 108 7 two two NUM bracis-19077 108 8 or or CCONJ bracis-19077 108 9 more more ADJ bracis-19077 108 10 tokens token NOUN bracis-19077 108 11 . . PUNCT bracis-19077 109 1 to to PART bracis-19077 109 2 obtain obtain VERB bracis-19077 109 3 a a DET bracis-19077 109 4 vector vector NOUN bracis-19077 109 5 \(v_i\ \(v_i\ NOUN bracis-19077 109 6 ) ) PUNCT bracis-19077 109 7 of of ADP bracis-19077 109 8 a a DET bracis-19077 109 9 word word NOUN bracis-19077 109 10 \(w_i\ \(w_i\ NOUN bracis-19077 109 11 ) ) PUNCT bracis-19077 109 12 , , PUNCT bracis-19077 109 13 we we PRON bracis-19077 109 14 average average VERB bracis-19077 109 15 the the DET bracis-19077 109 16 token token ADJ bracis-19077 109 17 vectors vector NOUN bracis-19077 109 18 \((u_{i1},u_{i2}, \((u_{i1},u_{i2}, PROPN bracis-19077 109 19 ... ... PUNCT bracis-19077 109 20 ,u_{il})\ ,u_{il})\ PROPN bracis-19077 109 21 ) ) PUNCT bracis-19077 109 22 that that PRON bracis-19077 109 23 form form VERB bracis-19077 109 24 that that DET bracis-19077 109 25 word word NOUN bracis-19077 109 26 ; ; PUNCT bracis-19077 109 27 formally formally ADV bracis-19077 109 28 , , PUNCT bracis-19077 109 29 \(v_i \(v_i ADJ bracis-19077 109 30 = = SYM bracis-19077 109 31 \frac{1}{m}\sum \frac{1}{m}\sum VERB bracis-19077 109 32 _ _ PUNCT bracis-19077 109 33 { { PUNCT bracis-19077 109 34 l=1}^{m l=1}^{m NOUN bracis-19077 109 35 } } PUNCT bracis-19077 109 36 u_{i u_{i NOUN bracis-19077 109 37 , , PUNCT bracis-19077 109 38 l l NOUN bracis-19077 109 39 } } PUNCT bracis-19077 109 40 \ \ NOUN bracis-19077 109 41 ) ) PUNCT bracis-19077 109 42 for for ADP bracis-19077 109 43 all all DET bracis-19077 109 44 \(v_i \(v_i ADJ bracis-19077 109 45 \in \in PROPN bracis-19077 109 46 v\ v\ NOUN bracis-19077 109 47 ) ) PUNCT bracis-19077 109 48 . . PUNCT bracis-19077 110 1 a a DET bracis-19077 110 2 custom custom NOUN bracis-19077 110 3 average average ADJ bracis-19077 110 4 pooling2d pooling2d PROPN bracis-19077 110 5 layer layer NOUN bracis-19077 110 6 calculates calculate VERB bracis-19077 110 7 the the DET bracis-19077 110 8 averages average NOUN bracis-19077 110 9 . . PUNCT bracis-19077 111 1 finally finally ADV bracis-19077 111 2 , , PUNCT bracis-19077 111 3 we we PRON bracis-19077 111 4 apply apply VERB bracis-19077 111 5 a a DET bracis-19077 111 6 bilstm bilstm NOUN bracis-19077 111 7 dimension dimension NOUN bracis-19077 111 8 - - PUNCT bracis-19077 111 9 reducing reduce VERB bracis-19077 111 10 layer layer NOUN bracis-19077 111 11 to to ADP bracis-19077 111 12 the the DET bracis-19077 111 13 word word NOUN bracis-19077 111 14 vectors vector NOUN bracis-19077 111 15 . . PUNCT bracis-19077 112 1 since since SCONJ bracis-19077 112 2 a a DET bracis-19077 112 3 bert bert PROPN bracis-19077 112 4 vector vector NOUN bracis-19077 112 5 can can AUX bracis-19077 112 6 have have VERB bracis-19077 112 7 758 758 NUM bracis-19077 112 8 or or CCONJ bracis-19077 112 9 1024 1024 NUM bracis-19077 112 10 dimensions dimension NOUN bracis-19077 112 11 and and CCONJ bracis-19077 112 12 machine machine NOUN bracis-19077 112 13 learning learning NOUN bracis-19077 112 14 does do AUX bracis-19077 112 15 not not PART bracis-19077 112 16 understand understand VERB bracis-19077 112 17 causality causality NOUN bracis-19077 112 18 , , PUNCT bracis-19077 112 19 models model NOUN bracis-19077 112 20 map map VERB bracis-19077 112 21 any any DET bracis-19077 112 22 input input NOUN bracis-19077 112 23 feature feature NOUN bracis-19077 112 24 to to ADP bracis-19077 112 25 the the DET bracis-19077 112 26 target target NOUN bracis-19077 112 27 variable variable NOUN bracis-19077 112 28 , , PUNCT bracis-19077 112 29 even even ADV bracis-19077 112 30 if if SCONJ bracis-19077 112 31 there there PRON bracis-19077 112 32 is be VERB bracis-19077 112 33 no no DET bracis-19077 112 34 causal causal ADJ bracis-19077 112 35 relation relation NOUN bracis-19077 112 36 . . PUNCT bracis-19077 113 1 many many ADJ bracis-19077 113 2 features feature NOUN bracis-19077 113 3 demand demand VERB bracis-19077 113 4 a a DET bracis-19077 113 5 more more ADV bracis-19077 113 6 complex complex ADJ bracis-19077 113 7 model model NOUN bracis-19077 113 8 and and CCONJ bracis-19077 113 9 increase increase VERB bracis-19077 113 10 the the DET bracis-19077 113 11 risk risk NOUN bracis-19077 113 12 of of ADP bracis-19077 113 13 overfitting overfitte VERB bracis-19077 113 14 . . PUNCT bracis-19077 114 1 dimensionality dimensionality NOUN bracis-19077 114 2 reduction reduction NOUN bracis-19077 114 3 removes remove VERB bracis-19077 114 4 multi multi ADJ bracis-19077 114 5 - - ADJ bracis-19077 114 6 collinearity collinearity ADJ bracis-19077 114 7 and and CCONJ bracis-19077 114 8 irrelevant irrelevant ADJ bracis-19077 114 9 features feature NOUN bracis-19077 114 10 , , PUNCT bracis-19077 114 11 making make VERB bracis-19077 114 12 our our PRON bracis-19077 114 13 model model NOUN bracis-19077 114 14 more more ADV bracis-19077 114 15 straightforward straightforward ADJ bracis-19077 114 16 , , PUNCT bracis-19077 114 17 less less ADJ bracis-19077 114 18 data datum NOUN bracis-19077 114 19 - - PUNCT bracis-19077 114 20 hungry hungry ADJ bracis-19077 114 21 , , PUNCT bracis-19077 114 22 and and CCONJ bracis-19077 114 23 reducing reduce VERB bracis-19077 114 24 the the DET bracis-19077 114 25 risk risk NOUN bracis-19077 114 26 of of ADP bracis-19077 114 27 overfitting overfitte VERB bracis-19077 114 28 . . PUNCT bracis-19077 115 1 3.3 3.3 NUM bracis-19077 115 2 aspect aspect NOUN bracis-19077 115 3 and and CCONJ bracis-19077 115 4     SPACE bracis-19077 115 5 opinion opinion NOUN bracis-19077 115 6 representation representation NOUN bracis-19077 115 7 following follow VERB bracis-19077 115 8 zhang zhang PROPN bracis-19077 115 9 et et PROPN bracis-19077 115 10 al al PROPN bracis-19077 115 11 . . PUNCT bracis-19077 115 12     SPACE bracis-19077 116 1 [ [ X bracis-19077 116 2 32 32 NUM bracis-19077 116 3 ] ] PUNCT bracis-19077 116 4 , , PUNCT bracis-19077 116 5 we we PRON bracis-19077 116 6 apply apply VERB bracis-19077 116 7 linear linear ADJ bracis-19077 116 8 layers layer NOUN bracis-19077 116 9 and and CCONJ bracis-19077 116 10 nonlinear nonlinear ADJ bracis-19077 116 11 functions function NOUN bracis-19077 116 12 on on ADP bracis-19077 116 13 v v NOUN bracis-19077 116 14 before before ADP bracis-19077 116 15 the the DET bracis-19077 116 16 opinion opinion NOUN bracis-19077 116 17 and and CCONJ bracis-19077 116 18 aspect aspect VERB bracis-19077 116 19 tagging tagging NOUN bracis-19077 116 20 operation operation NOUN bracis-19077 116 21 in in ADP bracis-19077 116 22 order order NOUN bracis-19077 116 23 to to PART bracis-19077 116 24 attenuate attenuate VERB bracis-19077 116 25 the the DET bracis-19077 116 26 noise noise NOUN bracis-19077 116 27 of of ADP bracis-19077 116 28 irrelevant irrelevant ADJ bracis-19077 116 29 information information NOUN bracis-19077 116 30 . . PUNCT bracis-19077 117 1 formally formally ADV bracis-19077 117 2 , , PUNCT bracis-19077 117 3 let let VERB bracis-19077 117 4 \ \ PROPN bracis-19077 117 5 ( ( PUNCT bracis-19077 117 6 \mathbf \mathbf PROPN bracis-19077 117 7 { { PUNCT bracis-19077 117 8 r}_i^{(ap r}_i^{(ap ADJ bracis-19077 117 9 ) ) PUNCT bracis-19077 117 10 } } PUNCT bracis-19077 117 11 \ \ NOUN bracis-19077 117 12 ) ) PUNCT bracis-19077 117 13 and and CCONJ bracis-19077 117 14 \ \ PROPN bracis-19077 117 15 ( ( PUNCT bracis-19077 117 16 \mathbf \mathbf PROPN bracis-19077 117 17 { { PUNCT bracis-19077 117 18 r}_i^{(op)}\ r}_i^{(op)}\ PROPN bracis-19077 117 19 ) ) PUNCT bracis-19077 117 20 ( ( PUNCT bracis-19077 117 21 \ \ PROPN bracis-19077 117 22 ( ( PUNCT bracis-19077 117 23 \mathbf \mathbf PROPN bracis-19077 117 24 { { PUNCT bracis-19077 117 25 r}_i^{(ap)\prime r}_i^{(ap)\prime PROPN bracis-19077 117 26 } } PUNCT bracis-19077 117 27 \ \ NOUN bracis-19077 117 28 ) ) PUNCT bracis-19077 117 29 and and CCONJ bracis-19077 117 30 \ \ PROPN bracis-19077 117 31 ( ( PUNCT bracis-19077 117 32 \mathbf \mathbf PROPN bracis-19077 117 33 { { PUNCT bracis-19077 117 34 r}_i^{(op)\prime r}_i^{(op)\prime PROPN bracis-19077 117 35 } } PUNCT bracis-19077 117 36 \ \ PROPN bracis-19077 117 37 ) ) PUNCT bracis-19077 117 38 ) ) PUNCT bracis-19077 117 39 denote denote VERB bracis-19077 117 40 the the DET bracis-19077 117 41 aspect aspect NOUN bracis-19077 117 42 and and CCONJ bracis-19077 117 43 opinion opinion NOUN bracis-19077 117 44 representations representation NOUN bracis-19077 117 45 employed employ VERB bracis-19077 117 46 in in ADP bracis-19077 117 47 aspect aspect NOUN bracis-19077 117 48 and and CCONJ bracis-19077 117 49 opinion opinion NOUN bracis-19077 117 50 tagging tagging NOUN bracis-19077 117 51 ( ( PUNCT bracis-19077 117 52 sentiment sentiment NOUN bracis-19077 117 53 dependency dependency NOUN bracis-19077 117 54 parsing parsing NOUN bracis-19077 117 55 ) ) PUNCT bracis-19077 117 56 , , PUNCT bracis-19077 117 57 with with ADP bracis-19077 117 58 \(\mathbf \(\mathbf VERB bracis-19077 117 59 { { PUNCT bracis-19077 117 60 r}_i^{(ap r}_i^{(ap ADJ bracis-19077 117 61 ) ) PUNCT bracis-19077 117 62 } } PUNCT bracis-19077 117 63 , , PUNCT bracis-19077 117 64 \mathbf \mathbf PROPN bracis-19077 117 65 { { PUNCT bracis-19077 117 66 r}_i^{(op r}_i^{(op NOUN bracis-19077 117 67 ) ) PUNCT bracis-19077 117 68 } } PUNCT bracis-19077 117 69 , , PUNCT bracis-19077 117 70 \mathbf \mathbf PROPN bracis-19077 117 71 { { PUNCT bracis-19077 117 72 r}_i^{(ap)\prime r}_i^{(ap)\prime NOUN bracis-19077 117 73 } } PUNCT bracis-19077 117 74 , , PUNCT bracis-19077 117 75 \mathbf \mathbf PROPN bracis-19077 117 76 { { PUNCT bracis-19077 117 77 r}_i^{(op)\prime r}_i^{(op)\prime PROPN bracis-19077 117 78 } } PUNCT bracis-19077 117 79 \in \in PROPN bracis-19077 117 80 \mathbb \mathbb PROPN bracis-19077 117 81 { { PUNCT bracis-19077 117 82 r}^{d_r r}^{d_r NOUN bracis-19077 117 83 } } PUNCT bracis-19077 117 84 \ \ NOUN bracis-19077 117 85 ) ) PUNCT bracis-19077 117 86 , , PUNCT bracis-19077 117 87 where where SCONJ bracis-19077 117 88 \(d_r\ \(d_r\ NOUN bracis-19077 117 89 ) ) PUNCT bracis-19077 117 90 is be AUX bracis-19077 117 91 the the DET bracis-19077 117 92 dimensionality dimensionality NOUN bracis-19077 117 93 of of ADP bracis-19077 117 94 the the DET bracis-19077 117 95 representation representation NOUN bracis-19077 117 96 . . PUNCT bracis-19077 118 1 the the DET bracis-19077 118 2 linear linear ADJ bracis-19077 118 3 layers layer NOUN bracis-19077 118 4 employ employ VERB bracis-19077 118 5 a a DET bracis-19077 118 6 relu relu NOUN bracis-19077 118 7 family family NOUN bracis-19077 118 8 function function NOUN bracis-19077 118 9 g g PROPN bracis-19077 118 10 ( ( PUNCT bracis-19077 118 11 . . PUNCT bracis-19077 118 12 ) ) PUNCT bracis-19077 118 13 and and CCONJ bracis-19077 118 14 have have VERB bracis-19077 118 15 parameters parameter NOUN bracis-19077 118 16 \ \ PROPN bracis-19077 118 17 ( ( PUNCT bracis-19077 118 18 \mathbf \mathbf PROPN bracis-19077 118 19 { { PUNCT bracis-19077 118 20 w}_r^{(ap w}_r^{(ap NOUN bracis-19077 118 21 ) ) PUNCT bracis-19077 118 22 } } PUNCT bracis-19077 118 23 , , PUNCT bracis-19077 118 24 \mathbf \mathbf PROPN bracis-19077 118 25 { { PUNCT bracis-19077 118 26 w}_r^{(op w}_r^{(op NOUN bracis-19077 118 27 ) ) PUNCT bracis-19077 118 28 } } PUNCT bracis-19077 118 29 , , PUNCT bracis-19077 118 30 \mathbf \mathbf PROPN bracis-19077 118 31 { { PUNCT bracis-19077 118 32 w}_r^{(ap)\prime w}_r^{(ap)\prime ADP bracis-19077 118 33 } } PUNCT bracis-19077 118 34 , , PUNCT bracis-19077 118 35 \mathbf \mathbf PROPN bracis-19077 118 36 { { PUNCT bracis-19077 118 37 w}_r^{(op)\prime w}_r^{(op)\prime PROPN bracis-19077 118 38 } } PUNCT bracis-19077 118 39 \in \in PROPN bracis-19077 118 40 \mathbb \mathbb PROPN bracis-19077 118 41 { { PUNCT bracis-19077 118 42 r}^{d_r r}^{d_r VERB bracis-19077 118 43 \times \times ADP bracis-19077 118 44 d_b d_b NUM bracis-19077 118 45 } } PUNCT bracis-19077 118 46 \ \ NOUN bracis-19077 118 47 ) ) PUNCT bracis-19077 118 48 and and CCONJ bracis-19077 118 49 \ \ PROPN bracis-19077 118 50 ( ( PUNCT bracis-19077 118 51 \mathbf \mathbf PROPN bracis-19077 118 52 { { PUNCT bracis-19077 118 53 b}_r^{(ap b}_r^{(ap NUM bracis-19077 118 54 ) ) PUNCT bracis-19077 118 55 } } PUNCT bracis-19077 118 56 , , PUNCT bracis-19077 118 57 \mathbf \mathbf PROPN bracis-19077 118 58 { { PUNCT bracis-19077 118 59 b}_r^{(op b}_r^{(op NOUN bracis-19077 118 60 ) ) PUNCT bracis-19077 118 61 } } PUNCT bracis-19077 118 62 , , PUNCT bracis-19077 118 63 \mathbf \mathbf PROPN bracis-19077 118 64 { { PUNCT bracis-19077 118 65 b}_r^{(ap)\prime b}_r^{(ap)\prime PROPN bracis-19077 118 66 } } PUNCT bracis-19077 118 67 , , PUNCT bracis-19077 118 68 \mathbf \mathbf PROPN bracis-19077 118 69 { { PUNCT bracis-19077 118 70 b}_r^{(op)\prime b}_r^{(op)\prime PROPN bracis-19077 118 71 } } PUNCT bracis-19077 118 72 \in \in PROPN bracis-19077 118 73 \mathbb \mathbb PROPN bracis-19077 118 74 { { PUNCT bracis-19077 118 75 r}^{d_r}\ r}^{d_r}\ NOUN bracis-19077 118 76 ): ): PUNCT bracis-19077 118 77 $ $ SYM bracis-19077 118 78 $ $ SYM bracis-19077 118 79 \begin{aligned \begin{aligne VERB bracis-19077 118 80 } } PUNCT bracis-19077 118 81 \mathbf \mathbf PROPN bracis-19077 118 82 { { PUNCT bracis-19077 118 83 r}_i^{(ap r}_i^{(ap ADJ bracis-19077 118 84 ) ) PUNCT bracis-19077 118 85 } } PUNCT bracis-19077 118 86 = = SYM bracis-19077 118 87 g(\mathbf g(\mathbf NOUN bracis-19077 118 88 { { PUNCT bracis-19077 118 89 w}_r^{(ap)}v_i w}_r^{(ap)}v_i PROPN bracis-19077 118 90 + + CCONJ bracis-19077 118 91 \mathbf \mathbf PROPN bracis-19077 118 92 { { PUNCT bracis-19077 118 93 b}_r^{(ap b}_r^{(ap NUM bracis-19077 118 94 ) ) PUNCT bracis-19077 118 95 } } PUNCT bracis-19077 118 96 ) ) PUNCT bracis-19077 118 97 \end{aligned}$$ \end{aligned}$$ PROPN bracis-19077 118 98 ( ( PUNCT bracis-19077 118 99 1 1 NUM bracis-19077 118 100 ) ) PUNCT bracis-19077 118 101 $ $ SYM bracis-19077 118 102 $ $ SYM bracis-19077 118 103 \begin{aligned \begin{aligne VERB bracis-19077 118 104 } } PUNCT bracis-19077 118 105 \mathbf \mathbf PROPN bracis-19077 118 106 { { PUNCT bracis-19077 118 107 r}_i^{(op r}_i^{(op NOUN bracis-19077 118 108 ) ) PUNCT bracis-19077 118 109 } } PUNCT bracis-19077 118 110 = = SYM bracis-19077 118 111 g(\mathbf g(\mathbf NOUN bracis-19077 118 112 { { PUNCT bracis-19077 118 113 w}_r^{(op)}v_i w}_r^{(op)}v_i PROPN bracis-19077 118 114 + + CCONJ bracis-19077 118 115 \mathbf \mathbf PROPN bracis-19077 118 116 { { PUNCT bracis-19077 118 117 b}_r^{(op b}_r^{(op NOUN bracis-19077 118 118 ) ) PUNCT bracis-19077 118 119 } } PUNCT bracis-19077 118 120 ) ) PUNCT bracis-19077 118 121 \end{aligned}$$ \end{aligned}$$ PROPN bracis-19077 118 122 ( ( PUNCT bracis-19077 118 123 2 2 NUM bracis-19077 118 124 ) ) PUNCT bracis-19077 118 125 $ $ SYM bracis-19077 118 126 $ $ SYM bracis-19077 118 127 \begin{aligned \begin{aligne VERB bracis-19077 118 128 } } PUNCT bracis-19077 118 129 \mathbf \mathbf PROPN bracis-19077 118 130 { { PUNCT bracis-19077 118 131 r}_i^{(ap)\prime r}_i^{(ap)\prime NOUN bracis-19077 118 132 } } PUNCT bracis-19077 118 133 = = SYM bracis-19077 118 134 g(\mathbf g(\mathbf NOUN bracis-19077 118 135 { { PUNCT bracis-19077 118 136 w}_r^{(ap)\prime w}_r^{(ap)\prime PROPN bracis-19077 118 137 } } PUNCT bracis-19077 118 138 v_i v_i PROPN bracis-19077 118 139 + + CCONJ bracis-19077 118 140 \mathbf \mathbf PROPN bracis-19077 118 141 { { PUNCT bracis-19077 118 142 b}_r^{(ap)\prime b}_r^{(ap)\prime PROPN bracis-19077 118 143 } } PUNCT bracis-19077 118 144 ) ) PUNCT bracis-19077 118 145 \end{aligned}$$ \end{aligned}$$ PROPN bracis-19077 118 146 ( ( PUNCT bracis-19077 118 147 3 3 NUM bracis-19077 118 148 ) ) PUNCT bracis-19077 118 149 $ $ SYM bracis-19077 118 150 $ $ SYM bracis-19077 118 151 \begin{aligned \begin{aligne VERB bracis-19077 118 152 } } PUNCT bracis-19077 118 153 \mathbf \mathbf PROPN bracis-19077 118 154 { { PUNCT bracis-19077 118 155 r}_i^{(op)\prime r}_i^{(op)\prime PROPN bracis-19077 118 156 } } PUNCT bracis-19077 118 157 = = SYM bracis-19077 118 158 g(\mathbf g(\mathbf NOUN bracis-19077 118 159 { { PUNCT bracis-19077 118 160 w}_r^{(op)\prime w}_r^{(op)\prime NOUN bracis-19077 118 161 } } PUNCT bracis-19077 118 162 v_i v_i PROPN bracis-19077 119 1 + + CCONJ bracis-19077 119 2 \mathbf \mathbf PROPN bracis-19077 119 3 { { PUNCT bracis-19077 119 4 b}_r^{(op)\prime b}_r^{(op)\prime PROPN bracis-19077 119 5 } } PUNCT bracis-19077 119 6 ) ) PUNCT bracis-19077 119 7 \end{aligned}$$ \end{aligned}$$ PROPN bracis-19077 119 8 ( ( PUNCT bracis-19077 119 9 4 4 NUM bracis-19077 119 10 ) ) PUNCT bracis-19077 119 11 3.4 3.4 NUM bracis-19077 119 12 aspect aspect NOUN bracis-19077 119 13 and and CCONJ bracis-19077 119 14     SPACE bracis-19077 119 15 opinion opinion NOUN bracis-19077 119 16 tagging tagging NOUN bracis-19077 119 17 words word NOUN bracis-19077 119 18 are be AUX bracis-19077 119 19 tagged tag VERB bracis-19077 119 20 by by ADP bracis-19077 119 21 using use VERB bracis-19077 119 22 two two NUM bracis-19077 119 23 taggers tagger NOUN bracis-19077 119 24 built build VERB bracis-19077 119 25 on on ADP bracis-19077 119 26 a a DET bracis-19077 119 27 softmax softmax NOUN bracis-19077 119 28 layer layer NOUN bracis-19077 119 29 as as SCONJ bracis-19077 119 30 follows follow VERB bracis-19077 119 31 : : PUNCT bracis-19077 119 32 $ $ SYM bracis-19077 119 33 $ $ SYM bracis-19077 119 34 \begin{aligned \begin{aligne VERB bracis-19077 119 35 } } PUNCT bracis-19077 119 36 \mathbf \mathbf PROPN bracis-19077 119 37 { { PUNCT bracis-19077 119 38 p}_i^{(l p}_i^{(l NOUN bracis-19077 119 39 ) ) PUNCT bracis-19077 119 40 } } PUNCT bracis-19077 120 1 = = VERB bracis-19077 120 2 softmax(\mathbf softmax(\mathbf NOUN bracis-19077 120 3 { { PUNCT bracis-19077 120 4 w}_t^{(l)}\mathbf w}_t^{(l)}\mathbf X bracis-19077 120 5 { { PUNCT bracis-19077 120 6 r}_i^{(l r}_i^{(l PROPN bracis-19077 120 7 ) ) PUNCT bracis-19077 120 8 } } PUNCT bracis-19077 121 1 + + CCONJ bracis-19077 121 2 \mathbf \mathbf PROPN bracis-19077 121 3 { { PUNCT bracis-19077 121 4 b}_t^{(l b}_t^{(l PROPN bracis-19077 121 5 ) ) PUNCT bracis-19077 121 6 } } PUNCT bracis-19077 121 7 ) ) PUNCT bracis-19077 121 8 \end{aligned}$$ \end{aligned}$$ PROPN bracis-19077 121 9 ( ( PUNCT bracis-19077 121 10 5 5 NUM bracis-19077 121 11 ) ) PUNCT bracis-19077 121 12 above above ADV bracis-19077 121 13 , , PUNCT bracis-19077 121 14 \ \ PROPN bracis-19077 121 15 ( ( PUNCT bracis-19077 121 16 l l X bracis-19077 121 17 \in \in PROPN bracis-19077 121 18 \{ap \{ap NOUN bracis-19077 121 19 , , PUNCT bracis-19077 121 20 op\}\ op\}\ NOUN bracis-19077 121 21 ) ) PUNCT bracis-19077 121 22 , , PUNCT bracis-19077 121 23 \(\mathbf \(\mathbf VERB bracis-19077 121 24 { { PUNCT bracis-19077 121 25 w}_t^{(l w}_t^{(l NOUN bracis-19077 121 26 ) ) PUNCT bracis-19077 121 27 } } PUNCT bracis-19077 121 28 \in \in PROPN bracis-19077 121 29 \mathbb \mathbb PROPN bracis-19077 121 30 { { PUNCT bracis-19077 121 31 r}^{3 r}^{3 VERB bracis-19077 121 32 \times \time NOUN bracis-19077 121 33 d_r}\ d_r}\ PROPN bracis-19077 121 34 ) ) PUNCT bracis-19077 121 35 and and CCONJ bracis-19077 121 36 \ \ PROPN bracis-19077 121 37 ( ( PUNCT bracis-19077 121 38 \mathbf \mathbf PROPN bracis-19077 121 39 { { PUNCT bracis-19077 121 40 b}_t^{(l b}_t^{(l PROPN bracis-19077 121 41 ) ) PUNCT bracis-19077 121 42 } } PUNCT bracis-19077 121 43 \in \in PROPN bracis-19077 121 44 \mathbb \mathbb PROPN bracis-19077 121 45 { { PUNCT bracis-19077 121 46 r}^3 r}^3 PUNCT bracis-19077 121 47 \ \ NOUN bracis-19077 121 48 ) ) PUNCT bracis-19077 121 49 are be AUX bracis-19077 121 50 trainable trainable ADJ bracis-19077 121 51 parameters parameter NOUN bracis-19077 121 52 . . PUNCT bracis-19077 122 1 the the DET bracis-19077 122 2 softmax softmax NOUN bracis-19077 122 3 outputs output VERB bracis-19077 122 4 two two NUM bracis-19077 122 5 series series NOUN bracis-19077 122 6 of of ADP bracis-19077 122 7 distributions distribution NOUN bracis-19077 122 8 over over ADP bracis-19077 122 9 { { PUNCT bracis-19077 122 10 b b NOUN bracis-19077 122 11 , , PUNCT bracis-19077 122 12 o o NOUN bracis-19077 122 13 , , PUNCT bracis-19077 122 14 i i PRON bracis-19077 122 15 } } PUNCT bracis-19077 122 16 , , PUNCT bracis-19077 122 17 tagging tag VERB bracis-19077 122 18 aspect aspect NOUN bracis-19077 122 19 and and CCONJ bracis-19077 122 20 opinion opinion NOUN bracis-19077 122 21 terms term NOUN bracis-19077 122 22 via via ADP bracis-19077 122 23 the the DET bracis-19077 122 24 probability probability NOUN bracis-19077 122 25 of of ADP bracis-19077 122 26 each each DET bracis-19077 122 27 word word NOUN bracis-19077 122 28 \(w_i\ \(w_i\ NOUN bracis-19077 122 29 ) ) PUNCT bracis-19077 122 30 being be AUX bracis-19077 122 31 the the DET bracis-19077 122 32 begining begining NOUN bracis-19077 122 33 / / SYM bracis-19077 122 34 inside inside ADV bracis-19077 122 35 / / SYM bracis-19077 122 36 outside outside NOUN bracis-19077 122 37 of of ADP bracis-19077 122 38 an an DET bracis-19077 122 39 aspect aspect NOUN bracis-19077 122 40 / / SYM bracis-19077 122 41 opinion opinion NOUN bracis-19077 122 42 term term NOUN bracis-19077 122 43 . . PUNCT bracis-19077 123 1 for for ADP bracis-19077 123 2 example example NOUN bracis-19077 123 3 , , PUNCT bracis-19077 123 4 in in ADP bracis-19077 123 5 the the DET bracis-19077 123 6 sentence sentence NOUN bracis-19077 123 7 “ " PUNCT bracis-19077 123 8 large large ADJ bracis-19077 123 9 rooms room NOUN bracis-19077 123 10 and and CCONJ bracis-19077 123 11 great great ADJ bracis-19077 123 12 breakfast breakfast NOUN bracis-19077 123 13 . . PUNCT bracis-19077 124 1 room room NOUN bracis-19077 124 2 service service NOUN bracis-19077 124 3 was be AUX bracis-19077 124 4 awesome awesome ADJ bracis-19077 124 5 . . PUNCT bracis-19077 124 6 ” " PUNCT bracis-19077 125 1 , , PUNCT bracis-19077 125 2 after after ADP bracis-19077 125 3 decoding decode VERB bracis-19077 125 4 \ \ PROPN bracis-19077 125 5 ( ( PUNCT bracis-19077 125 6 \mathbf \mathbf PROPN bracis-19077 125 7 { { PUNCT bracis-19077 125 8 p}_i^{(ap)}\ p}_i^{(ap)}\ PROPN bracis-19077 125 9 ) ) PUNCT bracis-19077 125 10 and and CCONJ bracis-19077 125 11 \ \ PROPN bracis-19077 125 12 ( ( PUNCT bracis-19077 125 13 \mathbf \mathbf PROPN bracis-19077 125 14 { { PUNCT bracis-19077 125 15 p}_i^{(op)}\ p}_i^{(op)}\ PROPN bracis-19077 125 16 ) ) PUNCT bracis-19077 125 17 outputs output NOUN bracis-19077 125 18 , , PUNCT bracis-19077 125 19 the the DET bracis-19077 125 20 result result NOUN bracis-19077 125 21 should should AUX bracis-19077 125 22 be be AUX bracis-19077 125 23 as as ADP bracis-19077 125 24 in in ADP bracis-19077 125 25 table table NOUN bracis-19077 125 26     SPACE bracis-19077 125 27 1 1 NUM bracis-19077 125 28 . . PUNCT bracis-19077 125 29 table table NOUN bracis-19077 125 30 1 1 NUM bracis-19077 125 31 . . X bracis-19077 126 1 tagging tag VERB bracis-19077 126 2 result.full result.full NOUN bracis-19077 126 3 size size NOUN bracis-19077 126 4 table table NOUN bracis-19077 126 5 3.5 3.5 NUM bracis-19077 126 6 sentiment sentiment NOUN bracis-19077 126 7 dependency dependency NOUN bracis-19077 126 8 parsing parsing NOUN bracis-19077 126 9 in in ADP bracis-19077 126 10 this this DET bracis-19077 126 11 module module NOUN bracis-19077 126 12 , , PUNCT bracis-19077 126 13 the the DET bracis-19077 126 14 aim aim NOUN bracis-19077 126 15 is be AUX bracis-19077 126 16 to to PART bracis-19077 126 17 identify identify VERB bracis-19077 126 18 the the DET bracis-19077 126 19 sentiment sentiment NOUN bracis-19077 126 20 polarity polarity NOUN bracis-19077 126 21 of of ADP bracis-19077 126 22 every every DET bracis-19077 126 23 word word NOUN bracis-19077 126 24 pair pair NOUN bracis-19077 126 25 \((w_{i \((w_{i NOUN bracis-19077 126 26 } } PUNCT bracis-19077 126 27 , , PUNCT bracis-19077 126 28 w_{j})\ w_{j})\ PROPN bracis-19077 126 29 ) ) PUNCT bracis-19077 126 30 . . PUNCT bracis-19077 127 1 our our PRON bracis-19077 127 2 model model NOUN bracis-19077 127 3 uses use VERB bracis-19077 127 4 four four NUM bracis-19077 127 5 tags tag NOUN bracis-19077 127 6 ( ( PUNCT bracis-19077 127 7 neu neu NOUN bracis-19077 127 8 , , PUNCT bracis-19077 127 9 neg neg VERB bracis-19077 127 10 , , PUNCT bracis-19077 127 11 pos pos NOUN bracis-19077 127 12 , , PUNCT bracis-19077 127 13 no no DET bracis-19077 127 14 - - PUNCT bracis-19077 127 15 dep dep NOUN bracis-19077 127 16 ) ) PUNCT bracis-19077 127 17 to to PART bracis-19077 127 18 denote denote VERB bracis-19077 127 19 these these DET bracis-19077 127 20 dependencies dependency NOUN bracis-19077 127 21 . . PUNCT bracis-19077 128 1 the the DET bracis-19077 128 2 tags tag NOUN bracis-19077 128 3 respectively respectively ADV bracis-19077 128 4 indicate indicate VERB bracis-19077 128 5 neutral neutral ADJ bracis-19077 128 6 , , PUNCT bracis-19077 128 7 negative negative ADJ bracis-19077 128 8 , , PUNCT bracis-19077 128 9 positive positive ADJ bracis-19077 128 10 , , PUNCT bracis-19077 128 11 and and CCONJ bracis-19077 128 12 non non ADJ bracis-19077 128 13 - - ADJ bracis-19077 128 14 existent existent ADJ bracis-19077 128 15 sentiment sentiment NOUN bracis-19077 128 16 dependency dependency NOUN bracis-19077 128 17 . . PUNCT bracis-19077 129 1 there there PRON bracis-19077 129 2 are be VERB bracis-19077 129 3 \(|s|^2\ \(|s|^2\ NOUN bracis-19077 129 4 ) ) PUNCT bracis-19077 129 5 possible possible ADJ bracis-19077 129 6 word word NOUN bracis-19077 129 7 pairs pair NOUN bracis-19077 129 8 in in ADP bracis-19077 129 9 each each DET bracis-19077 129 10 sentence sentence NOUN bracis-19077 129 11 since since SCONJ bracis-19077 129 12 , , PUNCT bracis-19077 129 13 during during ADP bracis-19077 129 14 the the DET bracis-19077 129 15 training training NOUN bracis-19077 129 16 process process NOUN bracis-19077 129 17 , , PUNCT bracis-19077 129 18 the the DET bracis-19077 129 19 target target NOUN bracis-19077 129 20 triplets triplet NOUN bracis-19077 129 21 induce induce VERB bracis-19077 129 22 ordered order VERB bracis-19077 129 23 pairs pair NOUN bracis-19077 129 24 . . PUNCT bracis-19077 130 1 to to PART bracis-19077 130 2 avoid avoid VERB bracis-19077 130 3 redundant redundant ADJ bracis-19077 130 4 relations relation NOUN bracis-19077 130 5 , , PUNCT bracis-19077 130 6 following follow VERB bracis-19077 130 7     SPACE bracis-19077 130 8 [ [ X bracis-19077 130 9 3 3 NUM bracis-19077 130 10 , , PUNCT bracis-19077 130 11 32 32 NUM bracis-19077 130 12 ] ] PUNCT bracis-19077 130 13 , , PUNCT bracis-19077 130 14 sentiment sentiment NOUN bracis-19077 130 15 dependency dependency NOUN bracis-19077 130 16 between between ADP bracis-19077 130 17 an an DET bracis-19077 130 18 aspect aspect NOUN bracis-19077 130 19 and and CCONJ bracis-19077 130 20 opinion opinion NOUN bracis-19077 130 21 term term NOUN bracis-19077 130 22 is be AUX bracis-19077 130 23 assigned assign VERB bracis-19077 130 24 via via ADP bracis-19077 130 25 the the DET bracis-19077 130 26 pair pair NOUN bracis-19077 130 27 formed form VERB bracis-19077 130 28 by by ADP bracis-19077 130 29 their their PRON bracis-19077 130 30 last last ADJ bracis-19077 130 31 word word NOUN bracis-19077 130 32 . . PUNCT bracis-19077 131 1 formally formally ADV bracis-19077 131 2 , , PUNCT bracis-19077 131 3 we we PRON bracis-19077 131 4 have have VERB bracis-19077 131 5 a a DET bracis-19077 131 6 3d 3d NUM bracis-19077 131 7 - - PUNCT bracis-19077 131 8 tensor tensor NOUN bracis-19077 131 9 \ \ PROPN bracis-19077 131 10 ( ( PUNCT bracis-19077 131 11 \mathbf \mathbf PROPN bracis-19077 131 12 { { PUNCT bracis-19077 131 13 t t PROPN bracis-19077 131 14 } } PUNCT bracis-19077 131 15 \in \in PROPN bracis-19077 131 16 \mathbb \mathbb PROPN bracis-19077 131 17 { { PUNCT bracis-19077 131 18 r}^{|s| r}^{|s| ADV bracis-19077 131 19 \times \times ADP bracis-19077 131 20 |s| |s| NOUN bracis-19077 131 21 \times \times ADP bracis-19077 131 22 4}\ 4}\ NUM bracis-19077 131 23 ) ) PUNCT bracis-19077 131 24 , , PUNCT bracis-19077 131 25 where where SCONJ bracis-19077 131 26 each each DET bracis-19077 131 27 element element NOUN bracis-19077 131 28 \(t_{ijk}\ \(t_{ijk}\ NOUN bracis-19077 131 29 ) ) PUNCT bracis-19077 131 30 denotes denote VERB bracis-19077 131 31 the the DET bracis-19077 131 32 probability probability NOUN bracis-19077 131 33 that that SCONJ bracis-19077 131 34 the the DET bracis-19077 131 35 polarity polarity NOUN bracis-19077 131 36 in in ADP bracis-19077 131 37 \((w_{i \((w_{i NOUN bracis-19077 131 38 } } PUNCT bracis-19077 131 39 , , PUNCT bracis-19077 131 40 w_{j})\ w_{j})\ PROPN bracis-19077 131 41 ) ) PUNCT bracis-19077 131 42 is be AUX bracis-19077 131 43 k k NOUN bracis-19077 131 44 , , PUNCT bracis-19077 131 45 with with ADP bracis-19077 131 46 \(k \(k NOUN bracis-19077 131 47 \in \in ADJ bracis-19077 131 48 \ \ NOUN bracis-19077 131 49 ) ) PUNCT bracis-19077 131 50 { { PUNCT bracis-19077 131 51 neu neu PROPN bracis-19077 131 52 , , PUNCT bracis-19077 131 53 neg neg VERB bracis-19077 131 54 , , PUNCT bracis-19077 131 55 pos pos NOUN bracis-19077 131 56 , , PUNCT bracis-19077 131 57 no no DET bracis-19077 131 58 - - PUNCT bracis-19077 131 59 dep dep NOUN bracis-19077 131 60 } } PUNCT bracis-19077 131 61 . . PUNCT bracis-19077 132 1 finally finally ADV bracis-19077 132 2 , , PUNCT bracis-19077 132 3 we we PRON bracis-19077 132 4 get get VERB bracis-19077 132 5 an an DET bracis-19077 132 6 asymmetric asymmetric ADJ bracis-19077 132 7 square square ADJ bracis-19077 132 8 matrix matrix NOUN bracis-19077 132 9 \ \ PROPN bracis-19077 133 1 ( ( PUNCT bracis-19077 133 2 \mathbf \mathbf PROPN bracis-19077 133 3 { { PUNCT bracis-19077 133 4 d d ADJ bracis-19077 133 5 } } PUNCT bracis-19077 133 6 \in \in ADJ bracis-19077 133 7 \mathbb \mathbb PROPN bracis-19077 133 8 { { PUNCT bracis-19077 133 9 r}^{|s| r}^{|s| ADV bracis-19077 133 10 \times \times ADP bracis-19077 133 11 |s|}\ |s|}\ NOUN bracis-19077 133 12 ) ) PUNCT bracis-19077 133 13 as as SCONJ bracis-19077 133 14 shown show VERB bracis-19077 133 15 in in ADP bracis-19077 133 16 fig fig NOUN bracis-19077 133 17 . . PUNCT bracis-19077 133 18     SPACE bracis-19077 134 1 3 3 NUM bracis-19077 134 2 . . X bracis-19077 134 3 fig fig NOUN bracis-19077 134 4 . . PUNCT bracis-19077 135 1 3 3 X bracis-19077 135 2 . . X bracis-19077 135 3 a a DET bracis-19077 135 4 parsing parsing NOUN bracis-19077 135 5 example example NOUN bracis-19077 135 6 for for ADP bracis-19077 135 7 sentiment sentiment NOUN bracis-19077 135 8 dependency dependency NOUN bracis-19077 135 9 . . PUNCT bracis-19077 136 1 full full ADJ bracis-19077 136 2 size size NOUN bracis-19077 136 3 image image NOUN bracis-19077 136 4 a a DET bracis-19077 136 5 biaffine biaffine NOUN bracis-19077 136 6 scorer scorer NOUN bracis-19077 137 1 [ [ X bracis-19077 137 2 9 9 NUM bracis-19077 137 3 ] ] PUNCT bracis-19077 137 4 is be AUX bracis-19077 137 5 used use VERB bracis-19077 137 6 to to PART bracis-19077 137 7 obtain obtain VERB bracis-19077 137 8 word word NOUN bracis-19077 137 9 - - PUNCT bracis-19077 137 10 level level NOUN bracis-19077 137 11 sentiment sentiment NOUN bracis-19077 137 12 dependencies dependency NOUN bracis-19077 137 13 . . PUNCT bracis-19077 138 1 this this DET bracis-19077 138 2 mechanism mechanism NOUN bracis-19077 138 3 is be AUX bracis-19077 138 4 widely widely ADV bracis-19077 138 5 used use VERB bracis-19077 138 6 and and CCONJ bracis-19077 138 7 has have AUX bracis-19077 138 8 shown show VERB bracis-19077 138 9 success success NOUN bracis-19077 138 10 in in ADP bracis-19077 138 11 various various ADJ bracis-19077 138 12 parsing parsing NOUN bracis-19077 138 13 - - PUNCT bracis-19077 138 14 related relate VERB bracis-19077 138 15 tasks task NOUN bracis-19077 138 16     SPACE bracis-19077 139 1 [ [ X bracis-19077 139 2 19 19 NUM bracis-19077 139 3 , , PUNCT bracis-19077 139 4 20 20 NUM bracis-19077 139 5 ] ] PUNCT bracis-19077 139 6 . . PUNCT bracis-19077 140 1 the the DET bracis-19077 140 2 score score NOUN bracis-19077 140 3 \ \ PROPN bracis-19077 140 4 ( ( PUNCT bracis-19077 140 5 s_{ijk s_{ijk PROPN bracis-19077 140 6 } } PUNCT bracis-19077 140 7 \ \ PROPN bracis-19077 140 8 ) ) PUNCT bracis-19077 140 9 for for ADP bracis-19077 140 10 a a DET bracis-19077 140 11 pair pair NOUN bracis-19077 140 12 \((w_{i \((w_{i NOUN bracis-19077 140 13 } } PUNCT bracis-19077 140 14 , , PUNCT bracis-19077 140 15 w_{j})\ w_{j})\ PROPN bracis-19077 140 16 ) ) PUNCT bracis-19077 140 17 that that PRON bracis-19077 140 18 have have VERB bracis-19077 140 19 a a DET bracis-19077 140 20 dependency dependency NOUN bracis-19077 140 21 k k NOUN bracis-19077 140 22 is be AUX bracis-19077 140 23 computed compute VERB bracis-19077 140 24 using use VERB bracis-19077 140 25 syntax syntax NOUN bracis-19077 140 26 - - PUNCT bracis-19077 140 27 aware aware ADJ bracis-19077 140 28 vectors vector NOUN bracis-19077 140 29 \ \ PROPN bracis-19077 140 30 ( ( PUNCT bracis-19077 140 31 \mathbf \mathbf PROPN bracis-19077 140 32 { { PUNCT bracis-19077 140 33 h}_i^{(ap)\prime h}_i^{(ap)\prime PROPN bracis-19077 140 34 } } PUNCT bracis-19077 140 35 \ \ NOUN bracis-19077 140 36 ) ) PUNCT bracis-19077 140 37 and and CCONJ bracis-19077 140 38 \ \ PROPN bracis-19077 140 39 ( ( PUNCT bracis-19077 140 40 \mathbf \mathbf PROPN bracis-19077 140 41 { { PUNCT bracis-19077 140 42 h}_j^{(op)\prime h}_j^{(op)\prime PROPN bracis-19077 140 43 } } PUNCT bracis-19077 140 44 \ \ NOUN bracis-19077 140 45 ) ) PUNCT bracis-19077 140 46 obtained obtain VERB bracis-19077 140 47 from from ADP bracis-19077 140 48 a a DET bracis-19077 140 49 graph graph NOUN bracis-19077 140 50 attention attention NOUN bracis-19077 140 51 layer layer NOUN bracis-19077 140 52 ( ( PUNCT bracis-19077 140 53 gal gal PROPN bracis-19077 140 54 ) ) PUNCT bracis-19077 140 55 . . PUNCT bracis-19077 141 1 using use VERB bracis-19077 141 2 ; ; PUNCT bracis-19077 141 3 to to PART bracis-19077 141 4 represent represent VERB bracis-19077 141 5 the the DET bracis-19077 141 6 concatenation concatenation NOUN bracis-19077 141 7 operation operation NOUN bracis-19077 141 8 and and CCONJ bracis-19077 141 9 \(\mathbf \(\mathbf VERB bracis-19077 141 10 { { PUNCT bracis-19077 141 11 w}^{(k)}\ w}^{(k)}\ PROPN bracis-19077 141 12 ) ) PUNCT bracis-19077 141 13 and and CCONJ bracis-19077 141 14 \ \ PROPN bracis-19077 141 15 ( ( PUNCT bracis-19077 141 16 \mathbf \mathbf PROPN bracis-19077 141 17 { { PUNCT bracis-19077 141 18 b}^{(k b}^{(k PROPN bracis-19077 141 19 ) ) PUNCT bracis-19077 141 20 } } PUNCT bracis-19077 141 21 \ \ NOUN bracis-19077 141 22 ) ) PUNCT bracis-19077 141 23 to to PART bracis-19077 141 24 denote denote VERB bracis-19077 141 25 trainable trainable ADJ bracis-19077 141 26 weight weight NOUN bracis-19077 141 27 and and CCONJ bracis-19077 141 28 bias bias NOUN bracis-19077 141 29 , , PUNCT bracis-19077 141 30 the the DET bracis-19077 141 31 scores score NOUN bracis-19077 141 32 can can AUX bracis-19077 141 33 be be AUX bracis-19077 141 34 defined define VERB bracis-19077 141 35 as as ADP bracis-19077 141 36 : : PUNCT bracis-19077 141 37 $ $ SYM bracis-19077 141 38 $ $ SYM bracis-19077 141 39 \begin{aligned \begin{aligne VERB bracis-19077 141 40 } } PUNCT bracis-19077 141 41 s_{ijk s_{ijk NOUN bracis-19077 141 42 } } PUNCT bracis-19077 141 43 = = PUNCT bracis-19077 142 1 [ [ X bracis-19077 142 2 \mathbf \mathbf PROPN bracis-19077 142 3 { { PUNCT bracis-19077 142 4 w}^{(k w}^{(k NOUN bracis-19077 142 5 ) ) PUNCT bracis-19077 142 6 } } PUNCT bracis-19077 142 7 \mathbf \mathbf PROPN bracis-19077 142 8 { { PUNCT bracis-19077 142 9 z}_i^{(ap)\prime z}_i^{(ap)\prime NOUN bracis-19077 142 10 } } PUNCT bracis-19077 142 11 + + CCONJ bracis-19077 142 12 \mathbf \mathbf PROPN bracis-19077 142 13 { { PUNCT bracis-19077 142 14 b}^{(k)}]^\top b}^{(k)}]^\top NOUN bracis-19077 142 15 \mathbf \mathbf PROPN bracis-19077 142 16 { { PUNCT bracis-19077 142 17 z}_j^{(op)\prime z}_j^{(op)\prime PROPN bracis-19077 142 18 } } PUNCT bracis-19077 142 19 \end{aligned}$$ \end{aligned}$$ X bracis-19077 142 20 ( ( PUNCT bracis-19077 142 21 6 6 NUM bracis-19077 142 22 ) ) PUNCT bracis-19077 142 23 $ $ SYM bracis-19077 142 24 $ $ SYM bracis-19077 142 25 \begin{aligned \begin{aligne VERB bracis-19077 142 26 } } PUNCT bracis-19077 142 27 \mathbf \mathbf PROPN bracis-19077 142 28 { { PUNCT bracis-19077 142 29 z}_i^{(ap)\prime z}_i^{(ap)\prime NOUN bracis-19077 142 30 } } PUNCT bracis-19077 142 31 = = PUNCT bracis-19077 143 1 [ [ X bracis-19077 143 2 \mathbf \mathbf PROPN bracis-19077 143 3 { { PUNCT bracis-19077 143 4 r}_i^{(ap)\prime r}_i^{(ap)\prime NOUN bracis-19077 143 5 } } PUNCT bracis-19077 143 6 ; ; PUNCT bracis-19077 143 7 \mathbf \mathbf PROPN bracis-19077 143 8 { { PUNCT bracis-19077 143 9 h}_i^{(ap)\prime h}_i^{(ap)\prime NUM bracis-19077 143 10 } } PUNCT bracis-19077 143 11 ] ] PUNCT bracis-19077 143 12 , , PUNCT bracis-19077 143 13 \quad \quad PROPN bracis-19077 143 14 \mathbf \mathbf PROPN bracis-19077 143 15 { { PUNCT bracis-19077 143 16 z_i z_i NOUN bracis-19077 143 17 } } VERB bracis-19077 143 18 \in \in ADJ bracis-19077 143 19 \mathbb \mathbb PROPN bracis-19077 143 20 { { PUNCT bracis-19077 143 21 r}^{2d_r r}^{2d_r NOUN bracis-19077 143 22 } } PUNCT bracis-19077 143 23 \end{aligned}$$ \end{aligned}$$ X bracis-19077 143 24 ( ( PUNCT bracis-19077 143 25 7 7 NUM bracis-19077 143 26 ) ) PUNCT bracis-19077 143 27 $ $ SYM bracis-19077 143 28 $ $ SYM bracis-19077 143 29 \begin{aligned \begin{aligne VERB bracis-19077 143 30 } } PUNCT bracis-19077 143 31 \mathbf \mathbf PROPN bracis-19077 143 32 { { PUNCT bracis-19077 143 33 z}_j^{(op)\prime z}_j^{(op)\prime NOUN bracis-19077 143 34 } } PUNCT bracis-19077 143 35 = = SYM bracis-19077 144 1 [ [ X bracis-19077 144 2 \mathbf \mathbf PROPN bracis-19077 144 3 { { PUNCT bracis-19077 144 4 r}_j^{(op)\prime r}_j^{(op)\prime PROPN bracis-19077 144 5 } } PUNCT bracis-19077 144 6 ; ; PUNCT bracis-19077 144 7 \mathbf \mathbf PROPN bracis-19077 144 8 { { PUNCT bracis-19077 144 9 h}_j^{(op)\prime h}_j^{(op)\prime PROPN bracis-19077 144 10 } } PUNCT bracis-19077 144 11 ] ] PUNCT bracis-19077 144 12 , , PUNCT bracis-19077 144 13 \quad \quad PROPN bracis-19077 144 14 \mathbf \mathbf PROPN bracis-19077 144 15 { { PUNCT bracis-19077 144 16 z_j z_j ADJ bracis-19077 144 17 } } PUNCT bracis-19077 144 18 \in \in ADJ bracis-19077 144 19 \mathbb \mathbb PROPN bracis-19077 144 20 { { PUNCT bracis-19077 144 21 r}^{2d_r r}^{2d_r NOUN bracis-19077 144 22 } } PUNCT bracis-19077 144 23 \end{aligned}$$ \end{aligned}$$ X bracis-19077 144 24 ( ( PUNCT bracis-19077 144 25 8) 8) NUM bracis-19077 144 26 an an DET bracis-19077 144 27 example example NOUN bracis-19077 144 28 of of ADP bracis-19077 144 29 how how SCONJ bracis-19077 144 30 to to PART bracis-19077 144 31 calculate calculate VERB bracis-19077 144 32 \ \ PROPN bracis-19077 144 33 ( ( PUNCT bracis-19077 144 34 s_{ijk s_{ijk PROPN bracis-19077 144 35 } } PUNCT bracis-19077 144 36 \ \ PROPN bracis-19077 144 37 ) ) PUNCT bracis-19077 144 38 is be AUX bracis-19077 144 39 shown show VERB bracis-19077 144 40 in in ADP bracis-19077 144 41 fig fig NOUN bracis-19077 144 42 . . PUNCT bracis-19077 144 43     SPACE bracis-19077 145 1 4 4 X bracis-19077 145 2 . . PUNCT bracis-19077 146 1 the the DET bracis-19077 146 2 aspect aspect NOUN bracis-19077 146 3 - - PUNCT bracis-19077 146 4 vector vector NOUN bracis-19077 146 5 \(\mathbf \(\mathbf VERB bracis-19077 146 6 { { PUNCT bracis-19077 146 7 z}_i\ z}_i\ NOUN bracis-19077 146 8 ) ) PUNCT bracis-19077 146 9 representing represent VERB bracis-19077 146 10 the the DET bracis-19077 146 11 word word NOUN bracis-19077 146 12 \(w_i\ \(w_i\ NOUN bracis-19077 146 13 ) ) PUNCT bracis-19077 146 14 is be AUX bracis-19077 146 15 inputted inputte VERB bracis-19077 146 16 into into ADP bracis-19077 146 17 the the DET bracis-19077 146 18 linear linear ADJ bracis-19077 146 19 layer layer NOUN bracis-19077 146 20 \ \ PROPN bracis-19077 147 1 ( ( PUNCT bracis-19077 147 2 \mathbf \mathbf PROPN bracis-19077 147 3 { { PUNCT bracis-19077 147 4 w}^{(k w}^{(k NOUN bracis-19077 147 5 ) ) PUNCT bracis-19077 147 6 } } PUNCT bracis-19077 147 7 ( ( PUNCT bracis-19077 147 8 . . PUNCT bracis-19077 147 9 ) ) PUNCT bracis-19077 148 1 + + CCONJ bracis-19077 148 2 \mathbf \mathbf PROPN bracis-19077 148 3 { { PUNCT bracis-19077 148 4 b}^{(k b}^{(k PROPN bracis-19077 148 5 ) ) PUNCT bracis-19077 148 6 } } PUNCT bracis-19077 148 7 \ \ NOUN bracis-19077 148 8 ) ) PUNCT bracis-19077 148 9 ( ( PUNCT bracis-19077 148 10 eq eq NOUN bracis-19077 148 11 . . PUNCT bracis-19077 148 12     SPACE bracis-19077 148 13 6 6 NUM bracis-19077 148 14 ) ) PUNCT bracis-19077 148 15 . . PUNCT bracis-19077 149 1 the the DET bracis-19077 149 2 purpose purpose NOUN bracis-19077 149 3 of of ADP bracis-19077 149 4 this this DET bracis-19077 149 5 linear linear ADJ bracis-19077 149 6 layer layer NOUN bracis-19077 149 7 is be AUX bracis-19077 149 8 to to PART bracis-19077 149 9 generate generate VERB bracis-19077 149 10 a a DET bracis-19077 149 11 vector vector NOUN bracis-19077 149 12 \(\mathbf \(\mathbf VERB bracis-19077 149 13 { { PUNCT bracis-19077 149 14 z}_i\ z}_i\ NOUN bracis-19077 149 15 ) ) PUNCT bracis-19077 149 16 for for ADP bracis-19077 149 17 each each DET bracis-19077 149 18 k k NOUN bracis-19077 149 19 - - NOUN bracis-19077 149 20 polarity polarity NOUN bracis-19077 149 21 . . PUNCT bracis-19077 150 1 therefore therefore ADV bracis-19077 150 2 , , PUNCT bracis-19077 150 3 by by ADP bracis-19077 150 4 multiplying multiply VERB bracis-19077 150 5 \(\mathbf \(\mathbf VERB bracis-19077 150 6 { { PUNCT bracis-19077 150 7 z}_{ik}\ z}_{ik}\ NOUN bracis-19077 150 8 ) ) PUNCT bracis-19077 150 9 and and CCONJ bracis-19077 150 10 \(\mathbf \(\mathbf VERB bracis-19077 150 11 { { PUNCT bracis-19077 150 12 z}_j\ z}_j\ PROPN bracis-19077 150 13 ) ) PUNCT bracis-19077 150 14 , , PUNCT bracis-19077 150 15 we we PRON bracis-19077 150 16 obtain obtain VERB bracis-19077 150 17 a a DET bracis-19077 150 18 score score NOUN bracis-19077 150 19 that that PRON bracis-19077 150 20 measures measure VERB bracis-19077 150 21 the the DET bracis-19077 150 22 polarity polarity NOUN bracis-19077 150 23 between between ADP bracis-19077 150 24 \(w_i\ \(w_i\ NOUN bracis-19077 150 25 ) ) PUNCT bracis-19077 150 26 and and CCONJ bracis-19077 150 27 \(w_j\ \(w_j\ PROPN bracis-19077 150 28 ) ) PUNCT bracis-19077 150 29 . . PUNCT bracis-19077 151 1 in in ADP bracis-19077 151 2 our our PRON bracis-19077 151 3 example example NOUN bracis-19077 151 4 , , PUNCT bracis-19077 151 5 the the DET bracis-19077 151 6 score score NOUN bracis-19077 151 7 vector vector NOUN bracis-19077 151 8 of of ADP bracis-19077 151 9 \ \ PROPN bracis-19077 151 10 ( ( PUNCT bracis-19077 151 11 ( ( PUNCT bracis-19077 151 12 \mathbf \mathbf PROPN bracis-19077 151 13 { { PUNCT bracis-19077 151 14 w}_{1 w}_{1 NOUN bracis-19077 151 15 } } PUNCT bracis-19077 151 16 , , PUNCT bracis-19077 151 17 \mathbf \mathbf PROPN bracis-19077 151 18 { { PUNCT bracis-19077 151 19 w}_0)\ w}_0)\ PROPN bracis-19077 151 20 ) ) PUNCT bracis-19077 151 21 = = SYM bracis-19077 151 22 ( ( PUNCT bracis-19077 151 23 “ " PUNCT bracis-19077 151 24 rooms room NOUN bracis-19077 151 25 ” " PUNCT bracis-19077 151 26 , , PUNCT bracis-19077 151 27 “ " PUNCT bracis-19077 151 28 large large ADJ bracis-19077 151 29 ” " PUNCT bracis-19077 151 30 ) ) PUNCT bracis-19077 151 31 is be AUX bracis-19077 151 32 \ \ PROPN bracis-19077 151 33 ( ( PUNCT bracis-19077 151 34 s_{10 s_{10 ADV bracis-19077 151 35 } } PUNCT bracis-19077 151 36 = = PUNCT bracis-19077 151 37 \langle \langle PROPN bracis-19077 151 38 s_{100 s_{100 PROPN bracis-19077 151 39 } } PUNCT bracis-19077 151 40 , , PUNCT bracis-19077 151 41 s_{101 s_{101 PROPN bracis-19077 151 42 } } PUNCT bracis-19077 151 43 , , PUNCT bracis-19077 151 44 s_{102 s_{102 NOUN bracis-19077 151 45 } } PUNCT bracis-19077 151 46 , , PUNCT bracis-19077 151 47 s_{103 s_{103 PROPN bracis-19077 151 48 } } PUNCT bracis-19077 151 49 \rangle \rangle NOUN bracis-19077 151 50 = = PUNCT bracis-19077 152 1 \langle \langle PROPN bracis-19077 152 2 -0.32 -0.32 VERB bracis-19077 152 3 , , PUNCT bracis-19077 152 4 -0.39 -0.39 NOUN bracis-19077 152 5 , , PUNCT bracis-19077 152 6 -0.55 -0.55 NOUN bracis-19077 152 7 , , PUNCT bracis-19077 152 8 1.98 1.98 NUM bracis-19077 152 9 \rangle \rangle NOUN bracis-19077 152 10 \ \ NOUN bracis-19077 152 11 ) ) PUNCT bracis-19077 152 12 . . PUNCT bracis-19077 153 1 once once SCONJ bracis-19077 153 2 we we PRON bracis-19077 153 3 apply apply VERB bracis-19077 153 4 the the DET bracis-19077 153 5 softmax softmax NOUN bracis-19077 153 6 function function NOUN bracis-19077 153 7 , , PUNCT bracis-19077 153 8 we we PRON bracis-19077 153 9 obtain obtain VERB bracis-19077 153 10 the the DET bracis-19077 153 11 probability probability NOUN bracis-19077 153 12 vector vector NOUN bracis-19077 153 13 \ \ PROPN bracis-19077 153 14 ( ( PUNCT bracis-19077 153 15 s_{13 s_{13 NOUN bracis-19077 153 16 } } PUNCT bracis-19077 153 17 = = PUNCT bracis-19077 153 18 \langle \langle PROPN bracis-19077 153 19 0.08 0.08 NUM bracis-19077 153 20 , , PUNCT bracis-19077 153 21 0.07 0.07 NUM bracis-19077 153 22 , , PUNCT bracis-19077 153 23 0.06 0.06 NUM bracis-19077 153 24 , , PUNCT bracis-19077 153 25 0.79 0.79 NUM bracis-19077 153 26 \rangle \rangle PROPN bracis-19077 153 27 \ \ PROPN bracis-19077 153 28 ) ) PUNCT bracis-19077 153 29 , , PUNCT bracis-19077 153 30 indicating indicate VERB bracis-19077 153 31 that that SCONJ bracis-19077 153 32 the the DET bracis-19077 153 33 dependency dependency NOUN bracis-19077 153 34 between between ADP bracis-19077 153 35 “ " PUNCT bracis-19077 153 36 quartos quarto NOUN bracis-19077 153 37 ” " PUNCT bracis-19077 153 38 and and CCONJ bracis-19077 153 39 “ " PUNCT bracis-19077 153 40 rooms room NOUN bracis-19077 153 41 ” " PUNCT bracis-19077 153 42 is be AUX bracis-19077 153 43 positive positive ADJ bracis-19077 153 44 . . PUNCT bracis-19077 154 1 although although SCONJ bracis-19077 154 2 bert bert PROPN bracis-19077 154 3 contains contain VERB bracis-19077 154 4 implicit implicit ADJ bracis-19077 154 5 syntactic syntactic ADJ bracis-19077 154 6 information information NOUN bracis-19077 154 7 , , PUNCT bracis-19077 154 8 its its PRON bracis-19077 154 9 ability ability NOUN bracis-19077 154 10 to to PART bracis-19077 154 11 capture capture VERB bracis-19077 154 12 explicit explicit ADJ bracis-19077 154 13 syntactic syntactic ADJ bracis-19077 154 14 features feature NOUN bracis-19077 154 15 is be AUX bracis-19077 154 16 limited limit VERB bracis-19077 154 17     SPACE bracis-19077 155 1 [ [ X bracis-19077 155 2 15 15 NUM bracis-19077 155 3 ] ] PUNCT bracis-19077 155 4 . . PUNCT bracis-19077 156 1 a a DET bracis-19077 156 2 common common ADJ bracis-19077 156 3 problem problem NOUN bracis-19077 156 4 in in ADP bracis-19077 156 5 absa absa PROPN bracis-19077 156 6 when when SCONJ bracis-19077 156 7 feature feature NOUN bracis-19077 156 8 vectors vector NOUN bracis-19077 156 9 are be AUX bracis-19077 156 10 generated generate VERB bracis-19077 156 11 from from ADP bracis-19077 156 12 a a DET bracis-19077 156 13 sequence sequence NOUN bracis-19077 156 14 , , PUNCT bracis-19077 156 15 without without ADP bracis-19077 156 16 considering consider VERB bracis-19077 156 17 explicitly explicitly ADV bracis-19077 156 18 the the DET bracis-19077 156 19 knowledge knowledge NOUN bracis-19077 156 20 about about ADP bracis-19077 156 21 the the DET bracis-19077 156 22 language language NOUN bracis-19077 156 23 , , PUNCT bracis-19077 156 24 is be AUX bracis-19077 156 25 that that SCONJ bracis-19077 156 26 they they PRON bracis-19077 156 27 may may AUX bracis-19077 156 28 incorrectly incorrectly ADV bracis-19077 156 29 locate locate VERB bracis-19077 156 30 specific specific ADJ bracis-19077 156 31 targets target NOUN bracis-19077 156 32 in in ADP bracis-19077 156 33 sentences sentence NOUN bracis-19077 156 34 with with ADP bracis-19077 156 35 multiple multiple ADJ bracis-19077 156 36 aspects aspect NOUN bracis-19077 156 37 and and CCONJ bracis-19077 156 38 opinions opinion NOUN bracis-19077 156 39     SPACE bracis-19077 157 1 [ [ X bracis-19077 157 2 22 22 NUM bracis-19077 157 3 ] ] PUNCT bracis-19077 157 4 . . PUNCT bracis-19077 158 1 fig fig NOUN bracis-19077 158 2 . . PUNCT bracis-19077 159 1 4 4 X bracis-19077 159 2 . . X bracis-19077 159 3 a a DET bracis-19077 159 4 biaffine biaffine ADJ bracis-19077 159 5 scoring scoring NOUN bracis-19077 159 6 example example NOUN bracis-19077 159 7 for for ADP bracis-19077 159 8 sentiment sentiment NOUN bracis-19077 159 9 dependency dependency NOUN bracis-19077 159 10 . . PUNCT bracis-19077 160 1 full full ADJ bracis-19077 160 2 size size NOUN bracis-19077 160 3 image image NOUN bracis-19077 160 4 3.6 3.6 NUM bracis-19077 160 5 syntax syntax NOUN bracis-19077 160 6 - - PUNCT bracis-19077 160 7 aware aware ADJ bracis-19077 160 8 vector vector NOUN bracis-19077 160 9 unlike unlike ADP bracis-19077 160 10 zhang zhang PROPN bracis-19077 160 11 et et PROPN bracis-19077 160 12 al al PROPN bracis-19077 160 13 . . PROPN bracis-19077 160 14 , , PUNCT bracis-19077 160 15 we we PRON bracis-19077 160 16 concatenate concatenate VERB bracis-19077 160 17 a a DET bracis-19077 160 18 syntax syntax NOUN bracis-19077 160 19 - - PUNCT bracis-19077 160 20 aware aware ADJ bracis-19077 160 21 vector vector NOUN bracis-19077 160 22 \ \ PROPN bracis-19077 160 23 ( ( PUNCT bracis-19077 160 24 \vec \vec PROPN bracis-19077 160 25 { { PUNCT bracis-19077 160 26 \mathbf \mathbf PROPN bracis-19077 160 27 { { PUNCT bracis-19077 160 28 h h NOUN bracis-19077 160 29 } } PUNCT bracis-19077 160 30 } } PUNCT bracis-19077 160 31 \ \ NOUN bracis-19077 160 32 ) ) PUNCT bracis-19077 160 33 with with ADP bracis-19077 160 34 \ \ PROPN bracis-19077 160 35 ( ( PUNCT bracis-19077 160 36 \vec \vec PROPN bracis-19077 160 37 { { PUNCT bracis-19077 160 38 \mathbf \mathbf PROPN bracis-19077 160 39 { { PUNCT bracis-19077 160 40 r r NOUN bracis-19077 160 41 } } PUNCT bracis-19077 160 42 } } PUNCT bracis-19077 160 43 \ \ NOUN bracis-19077 160 44 ) ) PUNCT bracis-19077 160 45 before before ADP bracis-19077 160 46 inputting inputte VERB bracis-19077 160 47 the the DET bracis-19077 160 48 features feature NOUN bracis-19077 160 49 vector vector NOUN bracis-19077 160 50 into into ADP bracis-19077 160 51 the the DET bracis-19077 160 52 biaffine biaffine PROPN bracis-19077 160 53 scorer scorer NOUN bracis-19077 160 54 . . PUNCT bracis-19077 161 1 as as SCONJ bracis-19077 161 2 mentioned mention VERB bracis-19077 161 3 earlier early ADV bracis-19077 161 4 , , PUNCT bracis-19077 161 5 this this DET bracis-19077 161 6 vector vector NOUN bracis-19077 161 7 \ \ PROPN bracis-19077 161 8 ( ( PUNCT bracis-19077 161 9 \vec \vec PROPN bracis-19077 161 10 { { PUNCT bracis-19077 161 11 \mathbf \mathbf PROPN bracis-19077 161 12 { { PUNCT bracis-19077 161 13 h h NOUN bracis-19077 161 14 } } PUNCT bracis-19077 161 15 } } PUNCT bracis-19077 161 16 \ \ NOUN bracis-19077 161 17 ) ) PUNCT bracis-19077 161 18 is be AUX bracis-19077 161 19 obtained obtain VERB bracis-19077 161 20 from from ADP bracis-19077 161 21 a a DET bracis-19077 161 22 graph graph NOUN bracis-19077 161 23 attention attention NOUN bracis-19077 161 24 layer layer NOUN bracis-19077 161 25 ( ( PUNCT bracis-19077 161 26 gal gal PROPN bracis-19077 161 27 ) ) PUNCT bracis-19077 161 28 , , PUNCT bracis-19077 161 29 which which PRON bracis-19077 161 30 can can AUX bracis-19077 161 31 to to PART bracis-19077 161 32 capture capture VERB bracis-19077 161 33 linguistic linguistic ADJ bracis-19077 161 34 structures structure NOUN bracis-19077 161 35 like like ADP bracis-19077 161 36 dependency dependency NOUN bracis-19077 161 37 trees tree NOUN bracis-19077 161 38 other other ADJ bracis-19077 161 39 than than ADP bracis-19077 161 40 only only ADV bracis-19077 161 41 sequential sequential ADJ bracis-19077 161 42 data datum NOUN bracis-19077 161 43     SPACE bracis-19077 162 1 [ [ X bracis-19077 162 2 18 18 NUM bracis-19077 162 3 ] ] PUNCT bracis-19077 162 4 . . PUNCT bracis-19077 163 1 the the DET bracis-19077 163 2 gal gal NOUN bracis-19077 163 3 receives receive VERB bracis-19077 163 4 the the DET bracis-19077 163 5 vector vector NOUN bracis-19077 163 6 \ \ PROPN bracis-19077 163 7 ( ( PUNCT bracis-19077 163 8 \vec \vec PROPN bracis-19077 163 9 { { PUNCT bracis-19077 163 10 \mathbf \mathbf PROPN bracis-19077 163 11 { { PUNCT bracis-19077 163 12 r r NOUN bracis-19077 163 13 } } PUNCT bracis-19077 163 14 } } PUNCT bracis-19077 163 15 \ \ NOUN bracis-19077 163 16 ) ) PUNCT bracis-19077 163 17 and and CCONJ bracis-19077 163 18 an an DET bracis-19077 163 19 adjacency adjacency NOUN bracis-19077 163 20 matrix matrix NOUN bracis-19077 163 21 that that PRON bracis-19077 163 22 represents represent VERB bracis-19077 163 23 the the DET bracis-19077 163 24 syntactic syntactic ADJ bracis-19077 163 25 dependency dependency NOUN bracis-19077 163 26 graph graph NOUN bracis-19077 163 27 of of ADP bracis-19077 163 28 the the DET bracis-19077 163 29 sentencefootnote sentencefootnote NOUN bracis-19077 163 30 2 2 X bracis-19077 163 31 . . X bracis-19077 163 32 gal gal NOUN bracis-19077 163 33 then then ADV bracis-19077 163 34 embed embed VERB bracis-19077 163 35 the the DET bracis-19077 163 36 graph graph NOUN bracis-19077 163 37 structure structure NOUN bracis-19077 163 38 into into ADP bracis-19077 163 39 the the DET bracis-19077 163 40 vector vector NOUN bracis-19077 163 41 by by ADP bracis-19077 163 42 performing perform VERB bracis-19077 163 43 masked mask VERB bracis-19077 163 44 attention attention NOUN bracis-19077 163 45 – – PUNCT bracis-19077 163 46 it it PRON bracis-19077 163 47 computes compute VERB bracis-19077 163 48 self self NOUN bracis-19077 163 49 - - PUNCT bracis-19077 163 50 attention attention NOUN bracis-19077 163 51 between between ADP bracis-19077 163 52 node node PROPN bracis-19077 163 53 i i PROPN bracis-19077 163 54 and and CCONJ bracis-19077 163 55 node node VERB bracis-19077 163 56 j j PROPN bracis-19077 164 1 if if SCONJ bracis-19077 165 1 and and CCONJ bracis-19077 165 2 only only ADV bracis-19077 165 3 if if SCONJ bracis-19077 165 4 j j PROPN bracis-19077 165 5 is be AUX bracis-19077 165 6 a a DET bracis-19077 165 7 neighbor neighbor NOUN bracis-19077 165 8 of of ADP bracis-19077 165 9 i. i. PROPN bracis-19077 165 10 figure figure PROPN bracis-19077 165 11     SPACE bracis-19077 165 12 5 5 NUM bracis-19077 165 13 shows show VERB bracis-19077 165 14 the the DET bracis-19077 165 15 syntactic syntactic ADJ bracis-19077 165 16 dependency dependency NOUN bracis-19077 165 17 of of ADP bracis-19077 165 18 “ " PUNCT bracis-19077 165 19 the the DET bracis-19077 165 20 hotel hotel NOUN bracis-19077 165 21 has have VERB bracis-19077 165 22 an an DET bracis-19077 165 23 awesome awesome ADJ bracis-19077 165 24 room room NOUN bracis-19077 165 25 service service NOUN bracis-19077 165 26 ” " PUNCT bracis-19077 165 27 and and CCONJ bracis-19077 165 28 its its PRON bracis-19077 165 29 adjacency adjacency NOUN bracis-19077 165 30 matrix matrix NOUN bracis-19077 165 31 . . PUNCT bracis-19077 166 1 in in ADP bracis-19077 166 2 \ \ PROPN bracis-19077 166 3 ( ( PUNCT bracis-19077 166 4 \vec \vec PROPN bracis-19077 166 5 { { PUNCT bracis-19077 166 6 \mathbf \mathbf PROPN bracis-19077 166 7 { { PUNCT bracis-19077 166 8 r}}_6\ r}}_6\ PROPN bracis-19077 166 9 ) ) PUNCT bracis-19077 166 10 , , PUNCT bracis-19077 166 11 for for ADP bracis-19077 166 12 example example NOUN bracis-19077 166 13 , , PUNCT bracis-19077 166 14 self self NOUN bracis-19077 166 15 - - PUNCT bracis-19077 166 16 attention attention NOUN bracis-19077 166 17 is be AUX bracis-19077 166 18 applied apply VERB bracis-19077 166 19 between between ADP bracis-19077 166 20 \ \ PROPN bracis-19077 166 21 ( ( PUNCT bracis-19077 166 22 \vec \vec PROPN bracis-19077 166 23 { { PUNCT bracis-19077 166 24 \mathbf \mathbf PROPN bracis-19077 166 25 { { PUNCT bracis-19077 166 26 r}}_6\ r}}_6\ PROPN bracis-19077 166 27 ) ) PUNCT bracis-19077 166 28 and and CCONJ bracis-19077 166 29 its its PRON bracis-19077 166 30 neighbors neighbor NOUN bracis-19077 166 31 ( ( PUNCT bracis-19077 166 32 green green ADJ bracis-19077 166 33 region region NOUN bracis-19077 166 34 ) ) PUNCT bracis-19077 166 35 instead instead ADV bracis-19077 166 36 of of ADP bracis-19077 166 37 all all DET bracis-19077 166 38 tokens token NOUN bracis-19077 166 39 . . PUNCT bracis-19077 167 1 in in ADP bracis-19077 167 2 a a DET bracis-19077 167 3 dependency dependency NOUN bracis-19077 167 4 tree tree NOUN bracis-19077 167 5 , , PUNCT bracis-19077 167 6 the the DET bracis-19077 167 7 aspect aspect NOUN bracis-19077 167 8 - - PUNCT bracis-19077 167 9 opinion opinion NOUN bracis-19077 167 10 pair pair NOUN bracis-19077 167 11 will will AUX bracis-19077 167 12 generally generally ADV bracis-19077 167 13 be be AUX bracis-19077 167 14 related relate VERB bracis-19077 167 15 . . PUNCT bracis-19077 168 1 by by ADP bracis-19077 168 2 applying apply VERB bracis-19077 168 3 the the DET bracis-19077 168 4 mechanism mechanism NOUN bracis-19077 168 5 of of ADP bracis-19077 168 6 attention attention NOUN bracis-19077 168 7 following follow VERB bracis-19077 168 8 the the DET bracis-19077 168 9 connections connection NOUN bracis-19077 168 10 of of ADP bracis-19077 168 11 the the DET bracis-19077 168 12 tree tree NOUN bracis-19077 168 13 , , PUNCT bracis-19077 168 14 more more ADV bracis-19077 168 15 important important ADJ bracis-19077 168 16 nodes node NOUN bracis-19077 168 17 receive receive VERB bracis-19077 168 18 higher high ADJ bracis-19077 168 19 weight weight NOUN bracis-19077 168 20 during during ADP bracis-19077 168 21 neighborhood neighborhood NOUN bracis-19077 168 22 aggregation aggregation NOUN bracis-19077 168 23 . . PUNCT bracis-19077 169 1 therefore therefore ADV bracis-19077 169 2 , , PUNCT bracis-19077 169 3 there there PRON bracis-19077 169 4 will will AUX bracis-19077 169 5 be be AUX bracis-19077 169 6 more more ADJ bracis-19077 169 7 chances chance NOUN bracis-19077 169 8 of of ADP bracis-19077 169 9 identifying identify VERB bracis-19077 169 10 a a DET bracis-19077 169 11 sentiment sentiment NOUN bracis-19077 169 12 dependency dependency NOUN bracis-19077 169 13 relationship relationship NOUN bracis-19077 169 14 in in ADP bracis-19077 169 15 the the DET bracis-19077 169 16 selected select VERB bracis-19077 169 17 pair pair NOUN bracis-19077 169 18 . . PUNCT bracis-19077 170 1 although although SCONJ bracis-19077 170 2 there there PRON bracis-19077 170 3 are be VERB bracis-19077 170 4 some some DET bracis-19077 170 5 useless useless ADJ bracis-19077 170 6 dependency dependency NOUN bracis-19077 170 7 relationships relationship NOUN bracis-19077 170 8 for for ADP bracis-19077 170 9 aste aste NOUN bracis-19077 170 10 , , PUNCT bracis-19077 170 11 aspect aspect NOUN bracis-19077 170 12 and and CCONJ bracis-19077 170 13 opinion opinion NOUN bracis-19077 170 14 tagging tagging NOUN bracis-19077 170 15 outputs output NOUN bracis-19077 170 16 serve serve VERB bracis-19077 170 17 to to PART bracis-19077 170 18 counteract counteract VERB bracis-19077 170 19 the the DET bracis-19077 170 20 noise noise NOUN bracis-19077 170 21 produced produce VERB bracis-19077 170 22 by by ADP bracis-19077 170 23 these these DET bracis-19077 170 24 irrelevant irrelevant ADJ bracis-19077 170 25 dependencies dependency NOUN bracis-19077 170 26 . . PUNCT bracis-19077 171 1 we we PRON bracis-19077 171 2 take take VERB bracis-19077 171 3 the the DET bracis-19077 171 4 syntactic syntactic ADJ bracis-19077 171 5 dependency dependency NOUN bracis-19077 171 6 as as ADP bracis-19077 171 7 an an DET bracis-19077 171 8 undirected undirected ADJ bracis-19077 171 9 graph graph NOUN bracis-19077 171 10 . . PUNCT bracis-19077 172 1 in in ADP bracis-19077 172 2 directed direct VERB bracis-19077 172 3 graphs graph NOUN bracis-19077 172 4 , , PUNCT bracis-19077 172 5 self self NOUN bracis-19077 172 6 - - PUNCT bracis-19077 172 7 attention attention NOUN bracis-19077 172 8 is be AUX bracis-19077 172 9 computed compute VERB bracis-19077 172 10 following follow VERB bracis-19077 172 11 the the DET bracis-19077 172 12 direction direction NOUN bracis-19077 172 13 of of ADP bracis-19077 172 14 the the DET bracis-19077 172 15 edge edge NOUN bracis-19077 172 16 , , PUNCT bracis-19077 172 17 however however ADV bracis-19077 172 18 , , PUNCT bracis-19077 172 19 edges edge NOUN bracis-19077 172 20 do do AUX bracis-19077 172 21 not not PART bracis-19077 172 22 always always ADV bracis-19077 172 23 connect connect VERB bracis-19077 172 24 aspects aspect NOUN bracis-19077 172 25 and and CCONJ bracis-19077 172 26 opinions opinion NOUN bracis-19077 172 27 directly directly ADV bracis-19077 172 28 , , PUNCT bracis-19077 172 29 and and CCONJ bracis-19077 172 30 if if SCONJ bracis-19077 172 31 it it PRON bracis-19077 172 32 does do VERB bracis-19077 172 33 , , PUNCT bracis-19077 172 34 the the DET bracis-19077 172 35 direction direction NOUN bracis-19077 172 36 is be AUX bracis-19077 172 37 not not PART bracis-19077 172 38 necessarily necessarily ADV bracis-19077 172 39 aspect aspect VERB bracis-19077 172 40 \(\rightarrow \(\rightarrow NOUN bracis-19077 172 41 \ \ ADJ bracis-19077 172 42 ) ) PUNCT bracis-19077 172 43 opinion opinion NOUN bracis-19077 172 44 . . PUNCT bracis-19077 173 1 if if SCONJ bracis-19077 173 2 we we PRON bracis-19077 173 3 use use VERB bracis-19077 173 4 a a DET bracis-19077 173 5 directed direct VERB bracis-19077 173 6 graph graph NOUN bracis-19077 173 7 , , PUNCT bracis-19077 173 8 we we PRON bracis-19077 173 9 could could AUX bracis-19077 173 10 lose lose VERB bracis-19077 173 11 information information NOUN bracis-19077 173 12 . . PUNCT bracis-19077 174 1 fig fig NOUN bracis-19077 174 2 . . PUNCT bracis-19077 175 1 5 5 NUM bracis-19077 175 2 . . X bracis-19077 175 3 a a DET bracis-19077 175 4 biaffine biaffine ADJ bracis-19077 175 5 scoring scoring NOUN bracis-19077 175 6 example example NOUN bracis-19077 175 7 for for ADP bracis-19077 175 8 sentiment sentiment NOUN bracis-19077 175 9 dependency dependency NOUN bracis-19077 175 10 . . PUNCT bracis-19077 176 1 full full ADJ bracis-19077 176 2 size size NOUN bracis-19077 176 3 image image NOUN bracis-19077 176 4 table table NOUN bracis-19077 176 5 2 2 NUM bracis-19077 176 6 . . PUNCT bracis-19077 176 7 information information NOUN bracis-19077 176 8 regarding regard VERB bracis-19077 176 9 the the DET bracis-19077 176 10 composition composition NOUN bracis-19077 176 11 of of ADP bracis-19077 176 12 the the DET bracis-19077 176 13 rehol rehol NOUN bracis-19077 176 14 dataset.full dataset.full NOUN bracis-19077 176 15 size size NOUN bracis-19077 176 16 table table NOUN bracis-19077 176 17 4 4 NUM bracis-19077 176 18 experiments experiment NOUN bracis-19077 176 19 4.1 4.1 NUM bracis-19077 176 20 datasets dataset NOUN bracis-19077 176 21 we we PRON bracis-19077 176 22 conduct conduct VERB bracis-19077 176 23 experiments experiment NOUN bracis-19077 176 24 in in ADP bracis-19077 176 25 portuguese portuguese ADJ bracis-19077 176 26 and and CCONJ bracis-19077 176 27 english english ADJ bracis-19077 176 28 datasets dataset NOUN bracis-19077 176 29 . . PUNCT bracis-19077 177 1 portuguese portuguese ADJ bracis-19077 177 2 datasets dataset NOUN bracis-19077 177 3 include include VERB bracis-19077 177 4 reli reli PROPN bracis-19077 177 5 corpus corpus PROPN bracis-19077 177 6     SPACE bracis-19077 178 1 [ [ X bracis-19077 178 2 12 12 NUM bracis-19077 178 3 ] ] PUNCT bracis-19077 178 4 , , PUNCT bracis-19077 178 5 which which PRON bracis-19077 178 6 is be AUX bracis-19077 178 7 composed compose VERB bracis-19077 178 8 of of ADP bracis-19077 178 9 1600 1600 NUM bracis-19077 178 10 reviews review NOUN bracis-19077 178 11 from from ADP bracis-19077 178 12 14 14 NUM bracis-19077 178 13 different different ADJ bracis-19077 178 14 books book NOUN bracis-19077 178 15 with with ADP bracis-19077 178 16 about about ADV bracis-19077 178 17 200 200 NUM bracis-19077 178 18 comments comment NOUN bracis-19077 178 19 each each PRON bracis-19077 178 20 . . PUNCT bracis-19077 179 1 besides besides SCONJ bracis-19077 179 2 , , PUNCT bracis-19077 179 3 a a DET bracis-19077 179 4 new new ADJ bracis-19077 179 5 dataset dataset NOUN bracis-19077 179 6 was be AUX bracis-19077 179 7 produced produce VERB bracis-19077 179 8 by by ADP bracis-19077 179 9 us we PRON bracis-19077 179 10 from from ADP bracis-19077 179 11 hotel hotel NOUN bracis-19077 179 12 reviews review NOUN bracis-19077 179 13 collected collect VERB bracis-19077 179 14 from from ADP bracis-19077 179 15 tripadvisor tripadvisor NOUN bracis-19077 179 16 ( ( PUNCT bracis-19077 179 17 table table NOUN bracis-19077 179 18     SPACE bracis-19077 179 19 2 2 NUM bracis-19077 179 20 ) ) PUNCT bracis-19077 179 21 . . PUNCT bracis-19077 180 1 both both DET bracis-19077 180 2 datasets dataset NOUN bracis-19077 180 3 were be AUX bracis-19077 180 4 manually manually ADV bracis-19077 180 5 annotated annotate VERB bracis-19077 180 6 . . PUNCT bracis-19077 181 1 these these DET bracis-19077 181 2 datasets dataset NOUN bracis-19077 181 3 are be AUX bracis-19077 181 4 referenced reference VERB bracis-19077 181 5 in in ADP bracis-19077 181 6 this this DET bracis-19077 181 7 work work NOUN bracis-19077 181 8 as as ADP bracis-19077 181 9 reli reli NOUN bracis-19077 181 10 and and CCONJ bracis-19077 181 11 rehol rehol NOUN bracis-19077 181 12 and and CCONJ bracis-19077 181 13 they they PRON bracis-19077 181 14 are be AUX bracis-19077 181 15 available available ADJ bracis-19077 181 16 at at ADP bracis-19077 181 17 https://dx.doi.org/10.21227/0ej1-br13 https://dx.doi.org/10.21227/0ej1-br13 PRON bracis-19077 181 18 . . PUNCT bracis-19077 182 1 since since SCONJ bracis-19077 182 2 there there PRON bracis-19077 182 3 are be VERB bracis-19077 182 4 no no DET bracis-19077 182 5 portuguese portuguese ADJ bracis-19077 182 6 models model NOUN bracis-19077 182 7 for for ADP bracis-19077 182 8 aste aste NOUN bracis-19077 182 9 tasks task NOUN bracis-19077 182 10 , , PUNCT bracis-19077 182 11 english english ADJ bracis-19077 182 12 baselines baseline NOUN bracis-19077 182 13 were be AUX bracis-19077 182 14 adapted adapt VERB bracis-19077 182 15 to to ADP bracis-19077 182 16 portuguese portuguese ADJ bracis-19077 182 17 - - PUNCT bracis-19077 182 18 aste aste NOUN bracis-19077 182 19 to to PART bracis-19077 182 20 compare compare VERB bracis-19077 182 21 with with ADP bracis-19077 182 22 our our PRON bracis-19077 182 23 model model NOUN bracis-19077 182 24 . . PUNCT bracis-19077 183 1 additionally additionally ADV bracis-19077 183 2 , , PUNCT bracis-19077 183 3 our our PRON bracis-19077 183 4 model model NOUN bracis-19077 183 5 was be AUX bracis-19077 183 6 trained train VERB bracis-19077 183 7 in in ADP bracis-19077 183 8 english english PROPN bracis-19077 183 9 to to PART bracis-19077 183 10 compare compare VERB bracis-19077 183 11 with with ADP bracis-19077 183 12 the the DET bracis-19077 183 13 actual actual ADJ bracis-19077 183 14 performance performance NOUN bracis-19077 183 15 of of ADP bracis-19077 183 16 these these DET bracis-19077 183 17 baselines baseline NOUN bracis-19077 183 18 . . PUNCT bracis-19077 184 1 we we PRON bracis-19077 184 2 used use VERB bracis-19077 184 3 four four NUM bracis-19077 184 4 english english PROPN bracis-19077 184 5 datasetsfootnote datasetsfootnote NOUN bracis-19077 184 6 3 3 NUM bracis-19077 184 7 in in ADP bracis-19077 184 8 the the DET bracis-19077 184 9 laptop laptop NOUN bracis-19077 184 10 and and CCONJ bracis-19077 184 11 restaurant restaurant NOUN bracis-19077 184 12 domain domain NOUN bracis-19077 184 13 from from ADP bracis-19077 184 14 semeval semeval PROPN bracis-19077 184 15 2014 2014 NUM bracis-19077 184 16 , , PUNCT bracis-19077 184 17 2015 2015 NUM bracis-19077 184 18 and and CCONJ bracis-19077 184 19 2016 2016 NUM bracis-19077 184 20 ( ( PUNCT bracis-19077 184 21 task task NOUN bracis-19077 184 22 4 4 NUM bracis-19077 184 23 , , PUNCT bracis-19077 184 24 12 12 NUM bracis-19077 184 25 and and CCONJ bracis-19077 184 26 5 5 NUM bracis-19077 184 27 respectively respectively ADV bracis-19077 184 28 ) ) PUNCT bracis-19077 184 29 . . PUNCT bracis-19077 185 1 4.2 4.2 NUM bracis-19077 185 2 baselines baseline NOUN bracis-19077 185 3 existing exist VERB bracis-19077 185 4 portuguese portuguese ADJ bracis-19077 185 5 - - PUNCT bracis-19077 185 6 absa absa PROPN bracis-19077 185 7 solutions solution NOUN bracis-19077 185 8 do do AUX bracis-19077 185 9 not not PART bracis-19077 185 10 provide provide VERB bracis-19077 185 11 enough enough ADJ bracis-19077 185 12 information information NOUN bracis-19077 185 13 to to PART bracis-19077 185 14 reproduce reproduce VERB bracis-19077 185 15 their their PRON bracis-19077 185 16 models model NOUN bracis-19077 185 17 / / SYM bracis-19077 185 18 experiments experiment NOUN bracis-19077 185 19 . . PUNCT bracis-19077 186 1 the the DET bracis-19077 186 2 lack lack NOUN bracis-19077 186 3 of of ADP bracis-19077 186 4 information information NOUN bracis-19077 186 5 includes include VERB bracis-19077 186 6 : : PUNCT bracis-19077 186 7 the the DET bracis-19077 186 8 source source NOUN bracis-19077 186 9 code code NOUN bracis-19077 186 10 is be AUX bracis-19077 186 11 not not PART bracis-19077 186 12 available available ADJ bracis-19077 186 13 , , PUNCT bracis-19077 186 14 there there PRON bracis-19077 186 15 is be VERB bracis-19077 186 16 insufficient insufficient ADJ bracis-19077 186 17 information information NOUN bracis-19077 186 18 on on ADP bracis-19077 186 19 the the DET bracis-19077 186 20 hyperparameters hyperparameter NOUN bracis-19077 186 21 used use VERB bracis-19077 186 22 , , PUNCT bracis-19077 186 23 or or CCONJ bracis-19077 186 24 the the DET bracis-19077 186 25 datasets dataset NOUN bracis-19077 186 26 are be AUX bracis-19077 186 27 not not PART bracis-19077 186 28 available available ADJ bracis-19077 186 29 . . PUNCT bracis-19077 187 1 the the DET bracis-19077 187 2 baselines baseline NOUN bracis-19077 187 3 were be AUX bracis-19077 187 4 adapted adapt VERB bracis-19077 187 5 to to ADP bracis-19077 187 6 portuguese portuguese NOUN bracis-19077 187 7 by by ADP bracis-19077 187 8 replacing replace VERB bracis-19077 187 9 the the DET bracis-19077 187 10 english english ADJ bracis-19077 187 11 pre pre VERB bracis-19077 187 12 - - ADJ bracis-19077 187 13 trained train VERB bracis-19077 187 14 word word NOUN bracis-19077 187 15 embedding embed VERB bracis-19077 187 16 with with ADP bracis-19077 187 17 a a DET bracis-19077 187 18 portuguese portuguese ADJ bracis-19077 187 19 pre pre ADJ bracis-19077 187 20 - - ADJ bracis-19077 187 21 trained train VERB bracis-19077 187 22 word word NOUN bracis-19077 187 23 embeddingfootnote embeddingfootnote NOUN bracis-19077 187 24 4 4 NUM bracis-19077 187 25 . . PUNCT bracis-19077 188 1 no no DET bracis-19077 188 2 further further ADJ bracis-19077 188 3 changes change NOUN bracis-19077 188 4 were be AUX bracis-19077 188 5 made make VERB bracis-19077 188 6 . . PUNCT bracis-19077 189 1 ote ote NOUN bracis-19077 189 2 - - PUNCT bracis-19077 189 3 mtl mtl PROPN bracis-19077 189 4 [ [ X bracis-19077 189 5 32 32 NUM bracis-19077 189 6 ] ] PUNCT bracis-19077 189 7 is be AUX bracis-19077 189 8 a a DET bracis-19077 189 9 model model NOUN bracis-19077 189 10 that that PRON bracis-19077 189 11 encodes encode VERB bracis-19077 189 12 the the DET bracis-19077 189 13 sentences sentence NOUN bracis-19077 189 14 using use VERB bracis-19077 189 15 glove glove NOUN bracis-19077 189 16 and and CCONJ bracis-19077 189 17 bilstm bilstm NOUN bracis-19077 189 18 networks network NOUN bracis-19077 189 19 , , PUNCT bracis-19077 189 20 then then ADV bracis-19077 189 21 , , PUNCT bracis-19077 189 22 it it PRON bracis-19077 189 23 applies apply VERB bracis-19077 189 24 dimension dimension NOUN bracis-19077 189 25 - - PUNCT bracis-19077 189 26 reducing reduce VERB bracis-19077 189 27 linear linear ADJ bracis-19077 189 28 layers layer NOUN bracis-19077 189 29 and and CCONJ bracis-19077 189 30 non non ADJ bracis-19077 189 31 - - ADJ bracis-19077 189 32 linear linear ADJ bracis-19077 189 33 functions function NOUN bracis-19077 189 34 on on ADP bracis-19077 189 35 the the DET bracis-19077 189 36 hidden hide VERB bracis-19077 189 37 states state NOUN bracis-19077 189 38 to to PART bracis-19077 189 39 identify identify VERB bracis-19077 189 40 aspects aspect NOUN bracis-19077 189 41 and and CCONJ bracis-19077 189 42 opinion opinion NOUN bracis-19077 189 43 and and CCONJ bracis-19077 189 44 finally finally ADV bracis-19077 189 45 , , PUNCT bracis-19077 189 46 the the DET bracis-19077 189 47 biaffine biaffine NOUN bracis-19077 189 48 scorer scorer NOUN bracis-19077 190 1 [ [ X bracis-19077 190 2 9 9 NUM bracis-19077 190 3 ] ] PUNCT bracis-19077 190 4 is be AUX bracis-19077 190 5 used use VERB bracis-19077 190 6 to to PART bracis-19077 190 7 get get VERB bracis-19077 190 8 aspect aspect NOUN bracis-19077 190 9 - - PUNCT bracis-19077 190 10 opinion opinion NOUN bracis-19077 190 11 pairs pair NOUN bracis-19077 190 12 along along ADP bracis-19077 190 13 with with ADP bracis-19077 190 14 the the DET bracis-19077 190 15 associated associated ADJ bracis-19077 190 16 sentiment sentiment NOUN bracis-19077 190 17 with with ADP bracis-19077 190 18 each each DET bracis-19077 190 19 other other ADJ bracis-19077 190 20 . . PUNCT bracis-19077 191 1 cmla cmla NOUN bracis-19077 191 2 - - PUNCT bracis-19077 191 3 mtl mtl PROPN bracis-19077 191 4     SPACE bracis-19077 191 5 [ [ NOUN bracis-19077 191 6 29 29 NUM bracis-19077 191 7 ] ] PUNCT bracis-19077 191 8 is be AUX bracis-19077 191 9 an an DET bracis-19077 191 10 aspect aspect NOUN bracis-19077 191 11 - - PUNCT bracis-19077 191 12 opinion opinion NOUN bracis-19077 191 13 co co NOUN bracis-19077 191 14 - - NOUN bracis-19077 191 15 extraction extraction NOUN bracis-19077 191 16 system system NOUN bracis-19077 191 17 , , PUNCT bracis-19077 191 18 which which PRON bracis-19077 191 19 is be AUX bracis-19077 191 20 based base VERB bracis-19077 191 21 on on ADP bracis-19077 191 22 multi multi ADJ bracis-19077 191 23 - - ADJ bracis-19077 191 24 layer layer ADJ bracis-19077 191 25 attentions attention NOUN bracis-19077 191 26 . . PUNCT bracis-19077 192 1 it it PRON bracis-19077 192 2 was be AUX bracis-19077 192 3 adapted adapt VERB bracis-19077 192 4 by by ADP bracis-19077 192 5 zhang zhang PROPN bracis-19077 192 6 et et PROPN bracis-19077 192 7 al al PROPN bracis-19077 192 8 . . PROPN bracis-19077 193 1 for for ADP bracis-19077 193 2 aste aste NOUN bracis-19077 193 3 task task NOUN bracis-19077 193 4 . . PUNCT bracis-19077 194 1 4.3 4.3 NUM bracis-19077 194 2 experiment experiment NOUN bracis-19077 194 3 settings setting NOUN bracis-19077 194 4 for for ADP bracis-19077 194 5 the the DET bracis-19077 194 6 bert bert PROPN bracis-19077 194 7 encoder encoder NOUN bracis-19077 194 8 , , PUNCT bracis-19077 194 9 we we PRON bracis-19077 194 10 use use VERB bracis-19077 194 11 the the DET bracis-19077 194 12 pre pre ADJ bracis-19077 194 13 - - ADJ bracis-19077 194 14 trained train VERB bracis-19077 194 15 cased cased ADJ bracis-19077 194 16 bert bert NOUN bracis-19077 194 17 developed develop VERB bracis-19077 194 18 by by ADP bracis-19077 194 19 neuralmind neuralmind NOUN bracis-19077 194 20     SPACE bracis-19077 195 1 [ [ X bracis-19077 195 2 27 27 NUM bracis-19077 195 3 ] ] PUNCT bracis-19077 195 4 . . PUNCT bracis-19077 196 1 to to PART bracis-19077 196 2 compare compare VERB bracis-19077 196 3 our our PRON bracis-19077 196 4 model model NOUN bracis-19077 196 5 with with ADP bracis-19077 196 6 the the DET bracis-19077 196 7 baselines baseline NOUN bracis-19077 196 8 in in ADP bracis-19077 196 9 english english PROPN bracis-19077 196 10 , , PUNCT bracis-19077 196 11 we we PRON bracis-19077 196 12 use use VERB bracis-19077 196 13 uncased uncased ADJ bracis-19077 196 14 bert bert PROPN bracis-19077 196 15 base base PROPN bracis-19077 196 16 model model NOUN bracis-19077 196 17 developed develop VERB bracis-19077 196 18 by by ADP bracis-19077 196 19 google google PROPN bracis-19077 196 20 researchfootnote researchfootnote NOUN bracis-19077 196 21 5 5 NUM bracis-19077 196 22 . . PUNCT bracis-19077 197 1 the the DET bracis-19077 197 2 maximum maximum ADJ bracis-19077 197 3 sequence sequence NOUN bracis-19077 197 4 length length NOUN bracis-19077 197 5 is be AUX bracis-19077 197 6 512 512 NUM bracis-19077 197 7 with with ADP bracis-19077 197 8 a a DET bracis-19077 197 9 batch batch NOUN bracis-19077 197 10 size size NOUN bracis-19077 197 11 of of ADP bracis-19077 197 12 32 32 NUM bracis-19077 197 13 . . PUNCT bracis-19077 198 1 we we PRON bracis-19077 198 2 train train VERB bracis-19077 198 3 our our PRON bracis-19077 198 4 model model NOUN bracis-19077 198 5 for for ADP bracis-19077 198 6 a a DET bracis-19077 198 7 maximal maximal ADJ bracis-19077 198 8 of of ADP bracis-19077 198 9 60 60 NUM bracis-19077 198 10 epochs epoch NOUN bracis-19077 198 11 using use VERB bracis-19077 198 12 adam adam PROPN bracis-19077 198 13 optimizer optimizer NOUN bracis-19077 198 14 . . PUNCT bracis-19077 199 1 the the DET bracis-19077 199 2 learning learning NOUN bracis-19077 199 3 rate rate NOUN bracis-19077 199 4 is be AUX bracis-19077 199 5 set set VERB bracis-19077 199 6 to to ADP bracis-19077 199 7 1e−5 1e−5 NUM bracis-19077 199 8 . . PUNCT bracis-19077 200 1 bilstm bilstm NOUN bracis-19077 200 2 dimension dimension NOUN bracis-19077 200 3 reducing reduce VERB bracis-19077 200 4 vector vector NOUN bracis-19077 200 5 is be AUX bracis-19077 200 6 300 300 NUM bracis-19077 200 7 - - PUNCT bracis-19077 200 8 dimensional dimensional ADJ bracis-19077 200 9 . . PUNCT bracis-19077 200 10 aspect aspect NOUN bracis-19077 200 11 and and CCONJ bracis-19077 200 12 opinion opinion NOUN bracis-19077 200 13 representation representation NOUN bracis-19077 200 14 vectors vector NOUN bracis-19077 200 15 and and CCONJ bracis-19077 200 16 syntax syntax NOUN bracis-19077 200 17 - - PUNCT bracis-19077 200 18 aware aware ADJ bracis-19077 200 19 vectors vector NOUN bracis-19077 200 20 are be AUX bracis-19077 200 21 150 150 NUM bracis-19077 200 22 - - PUNCT bracis-19077 200 23 dimensional dimensional ADJ bracis-19077 200 24 with with ADP bracis-19077 200 25 a a DET bracis-19077 200 26 single single ADJ bracis-19077 200 27 hidden hide VERB bracis-19077 200 28 layer layer NOUN bracis-19077 200 29 . . PUNCT bracis-19077 201 1 dropout dropout NOUN bracis-19077 201 2 is be AUX bracis-19077 201 3 applied apply VERB bracis-19077 201 4 to to PART bracis-19077 201 5 avoid avoid VERB bracis-19077 201 6 overfitting overfitte VERB bracis-19077 201 7 and and CCONJ bracis-19077 201 8 the the DET bracis-19077 201 9 drop drop NOUN bracis-19077 201 10 rate rate NOUN bracis-19077 201 11 is be AUX bracis-19077 201 12 0.3 0.3 NUM bracis-19077 201 13 . . PUNCT bracis-19077 202 1 the the DET bracis-19077 202 2 development development NOUN bracis-19077 202 3 set set NOUN bracis-19077 202 4 is be AUX bracis-19077 202 5 used use VERB bracis-19077 202 6 for for ADP bracis-19077 202 7 early early ADJ bracis-19077 202 8 stopping stopping NOUN bracis-19077 202 9 . . PUNCT bracis-19077 203 1 4.4 4.4 NUM bracis-19077 203 2 evaluation evaluation NOUN bracis-19077 203 3 following follow VERB bracis-19077 203 4 the the DET bracis-19077 203 5 previous previous ADJ bracis-19077 203 6 works work NOUN bracis-19077 203 7     SPACE bracis-19077 204 1 [ [ X bracis-19077 204 2 24 24 NUM bracis-19077 204 3 , , PUNCT bracis-19077 204 4 30 30 NUM bracis-19077 204 5 , , PUNCT bracis-19077 204 6 32 32 NUM bracis-19077 204 7 ] ] PUNCT bracis-19077 204 8 , , PUNCT bracis-19077 204 9 f1 f1 NOUN bracis-19077 204 10 - - PUNCT bracis-19077 204 11 score score NOUN bracis-19077 204 12 , , PUNCT bracis-19077 204 13 recall recall NOUN bracis-19077 204 14 , , PUNCT bracis-19077 204 15 and and CCONJ bracis-19077 204 16 precision precision NOUN bracis-19077 204 17 measurements measurement NOUN bracis-19077 204 18 were be AUX bracis-19077 204 19 used use VERB bracis-19077 204 20 to to PART bracis-19077 204 21 evaluate evaluate VERB bracis-19077 204 22 the the DET bracis-19077 204 23 results result NOUN bracis-19077 204 24 and and CCONJ bracis-19077 204 25 compare compare VERB bracis-19077 204 26 our our PRON bracis-19077 204 27 model model NOUN bracis-19077 204 28 to to ADP bracis-19077 204 29 the the DET bracis-19077 204 30 baselines baseline NOUN bracis-19077 204 31 . . PUNCT bracis-19077 205 1 a a DET bracis-19077 205 2 triplet triplet NOUN bracis-19077 205 3 is be AUX bracis-19077 205 4 correct correct ADJ bracis-19077 205 5 if if SCONJ bracis-19077 206 1 and and CCONJ bracis-19077 206 2 only only ADV bracis-19077 206 3 if if SCONJ bracis-19077 206 4 the the DET bracis-19077 206 5 aspect aspect NOUN bracis-19077 206 6 span span NOUN bracis-19077 206 7 , , PUNCT bracis-19077 206 8 the the DET bracis-19077 206 9 opinion opinion NOUN bracis-19077 206 10 span span NOUN bracis-19077 206 11 , , PUNCT bracis-19077 206 12 the the DET bracis-19077 206 13 parsing parsing NOUN bracis-19077 206 14 and and CCONJ bracis-19077 206 15 the the DET bracis-19077 206 16 sentiment sentiment NOUN bracis-19077 206 17 polarity polarity NOUN bracis-19077 206 18 are be AUX bracis-19077 206 19 all all ADV bracis-19077 206 20 correct correct ADJ bracis-19077 206 21 . . PUNCT bracis-19077 207 1 the the DET bracis-19077 207 2 \(5\times \(5\times NUM bracis-19077 207 3 2\)-nested 2\)-nested NUM bracis-19077 207 4 cross cross ADJ bracis-19077 207 5 - - ADJ bracis-19077 207 6 validation validation ADJ bracis-19077 207 7 technique technique NOUN bracis-19077 207 8     SPACE bracis-19077 207 9 [ [ X bracis-19077 207 10 8 8 NUM bracis-19077 207 11 ] ] PUNCT bracis-19077 207 12 was be AUX bracis-19077 207 13 used use VERB bracis-19077 207 14 to to PART bracis-19077 207 15 generate generate VERB bracis-19077 207 16 sufficient sufficient ADJ bracis-19077 207 17 data datum NOUN bracis-19077 207 18 from from ADP bracis-19077 207 19 the the DET bracis-19077 207 20 selected select VERB bracis-19077 207 21 metrics metric NOUN bracis-19077 207 22 . . PUNCT bracis-19077 208 1 lilliefors lilliefor NOUN bracis-19077 208 2 , , PUNCT bracis-19077 208 3 anderson anderson PROPN bracis-19077 208 4 – – PUNCT bracis-19077 208 5 darling darling NOUN bracis-19077 208 6 , , PUNCT bracis-19077 208 7 and and CCONJ bracis-19077 208 8 shapiro shapiro PROPN bracis-19077 208 9 – – PUNCT bracis-19077 208 10 wilk wilk NOUN bracis-19077 208 11 tests test NOUN bracis-19077 208 12 were be AUX bracis-19077 208 13 used use VERB bracis-19077 208 14 to to PART bracis-19077 208 15 validate validate VERB bracis-19077 208 16 the the DET bracis-19077 208 17 assumption assumption NOUN bracis-19077 208 18 of of ADP bracis-19077 208 19 normality normality NOUN bracis-19077 208 20 , , PUNCT bracis-19077 208 21 and and CCONJ bracis-19077 208 22 the the DET bracis-19077 208 23 mauchly mauchly NOUN bracis-19077 208 24 ’s ’s PART bracis-19077 208 25 test test NOUN bracis-19077 208 26 for for ADP bracis-19077 208 27 the the DET bracis-19077 208 28 assumption assumption NOUN bracis-19077 208 29 of of ADP bracis-19077 208 30 sphericity sphericity NOUN bracis-19077 208 31     SPACE bracis-19077 209 1 [ [ X bracis-19077 209 2 6 6 NUM bracis-19077 209 3 ] ] PUNCT bracis-19077 209 4 . . PUNCT bracis-19077 210 1 because because SCONJ bracis-19077 210 2 cross cross ADJ bracis-19077 210 3 - - ADJ bracis-19077 210 4 validation validation ADJ bracis-19077 210 5 process process NOUN bracis-19077 210 6 generates generate VERB bracis-19077 210 7 repeated repeat VERB bracis-19077 210 8 measures measure NOUN bracis-19077 210 9 , , PUNCT bracis-19077 210 10 appropriate appropriate ADJ bracis-19077 210 11 tests test NOUN bracis-19077 210 12 should should AUX bracis-19077 210 13 be be AUX bracis-19077 210 14 used use VERB bracis-19077 210 15 to to PART bracis-19077 210 16 deal deal VERB bracis-19077 210 17 with with ADP bracis-19077 210 18 within within ADP bracis-19077 210 19 - - PUNCT bracis-19077 210 20 subjects subject NOUN bracis-19077 210 21 . . PUNCT bracis-19077 211 1 based base VERB bracis-19077 211 2 on on ADP bracis-19077 211 3 the the DET bracis-19077 211 4 evaluation evaluation NOUN bracis-19077 211 5 of of ADP bracis-19077 211 6 the the DET bracis-19077 211 7 assumptions assumption NOUN bracis-19077 211 8 , , PUNCT bracis-19077 211 9 non non ADJ bracis-19077 211 10 - - ADJ bracis-19077 211 11 parametric parametric ADJ bracis-19077 211 12 tests test NOUN bracis-19077 211 13 were be AUX bracis-19077 211 14 selected select VERB bracis-19077 211 15 . . PUNCT bracis-19077 212 1 comparing compare VERB bracis-19077 212 2 our our PRON bracis-19077 212 3 model model NOUN bracis-19077 212 4 with with ADP bracis-19077 212 5 the the DET bracis-19077 212 6 baselines baseline NOUN bracis-19077 212 7 , , PUNCT bracis-19077 212 8 we we PRON bracis-19077 212 9 used use VERB bracis-19077 212 10 friedman friedman PROPN bracis-19077 212 11 ’s ’s PART bracis-19077 212 12 test test NOUN bracis-19077 212 13 to to PART bracis-19077 212 14 identify identify VERB bracis-19077 212 15 if if SCONJ bracis-19077 212 16 there there PRON bracis-19077 212 17 was be VERB bracis-19077 212 18 a a DET bracis-19077 212 19 statistically statistically ADV bracis-19077 212 20 significant significant ADJ bracis-19077 212 21 difference difference NOUN bracis-19077 212 22 between between ADP bracis-19077 212 23 the the DET bracis-19077 212 24 models model NOUN bracis-19077 212 25     SPACE bracis-19077 213 1 [ [ X bracis-19077 213 2 6 6 NUM bracis-19077 213 3 ] ] PUNCT bracis-19077 213 4 . . PUNCT bracis-19077 214 1 finally finally ADV bracis-19077 214 2 , , PUNCT bracis-19077 214 3 we we PRON bracis-19077 214 4 applied apply VERB bracis-19077 214 5 hommel hommel NOUN bracis-19077 214 6 post post ADJ bracis-19077 214 7 - - ADJ bracis-19077 214 8 hoc hoc ADJ bracis-19077 214 9 procedure procedure NOUN bracis-19077 214 10 to to PART bracis-19077 214 11 identify identify VERB bracis-19077 214 12 if if SCONJ bracis-19077 214 13 our our PRON bracis-19077 214 14 model model NOUN bracis-19077 214 15 was be AUX bracis-19077 214 16 better well ADJ bracis-19077 214 17 than than ADP bracis-19077 214 18 the the DET bracis-19077 214 19 baselines baseline NOUN bracis-19077 214 20     SPACE bracis-19077 215 1 [ [ X bracis-19077 215 2 14 14 NUM bracis-19077 215 3 ] ] PUNCT bracis-19077 215 4 . . PUNCT bracis-19077 216 1 the the DET bracis-19077 216 2 significance significance NOUN bracis-19077 216 3 level level NOUN bracis-19077 216 4 used use VERB bracis-19077 216 5 in in ADP bracis-19077 216 6 all all DET bracis-19077 216 7 tests test NOUN bracis-19077 216 8 was be AUX bracis-19077 216 9 0.05 0.05 NUM bracis-19077 216 10 . . PUNCT bracis-19077 216 11 5 5 NUM bracis-19077 216 12 results result NOUN bracis-19077 216 13 and and CCONJ bracis-19077 216 14     SPACE bracis-19077 216 15 analysis analysis NOUN bracis-19077 216 16 5.1 5.1 NUM bracis-19077 216 17 comparison comparison NOUN bracis-19077 216 18 with with ADP bracis-19077 216 19     SPACE bracis-19077 216 20 baselines baseline NOUN bracis-19077 216 21 the the DET bracis-19077 216 22 results result NOUN bracis-19077 216 23 are be AUX bracis-19077 216 24 shown show VERB bracis-19077 216 25 in in ADP bracis-19077 216 26 table table NOUN bracis-19077 216 27     SPACE bracis-19077 216 28 3 3 NUM bracis-19077 216 29 . . PUNCT bracis-19077 217 1 our our PRON bracis-19077 217 2 framework framework NOUN bracis-19077 217 3 consistently consistently ADV bracis-19077 217 4 achieves achieve VERB bracis-19077 217 5 the the DET bracis-19077 217 6 best good ADJ bracis-19077 217 7 scores score NOUN bracis-19077 217 8 , , PUNCT bracis-19077 217 9 both both PRON bracis-19077 217 10 for for ADP bracis-19077 217 11 the the DET bracis-19077 217 12 aspect aspect NOUN bracis-19077 217 13 and and CCONJ bracis-19077 217 14 opinion opinion NOUN bracis-19077 217 15 extraction extraction NOUN bracis-19077 217 16 task task NOUN bracis-19077 217 17 and and CCONJ bracis-19077 217 18 triplet triplet NOUN bracis-19077 217 19 extraction extraction NOUN bracis-19077 217 20 task task NOUN bracis-19077 217 21 in in ADP bracis-19077 217 22 portuguese portuguese PROPN bracis-19077 217 23 . . PUNCT bracis-19077 218 1 the the DET bracis-19077 218 2 average average ADJ bracis-19077 218 3 difference difference NOUN bracis-19077 218 4 between between ADP bracis-19077 218 5 our our PRON bracis-19077 218 6 model model NOUN bracis-19077 218 7 and and CCONJ bracis-19077 218 8 the the DET bracis-19077 218 9 portuguese portuguese ADJ bracis-19077 218 10 baselines baseline NOUN bracis-19077 218 11 in in ADP bracis-19077 218 12 aspect aspect NOUN bracis-19077 218 13 extraction extraction NOUN bracis-19077 218 14 is be AUX bracis-19077 218 15 6.68 6.68 NUM bracis-19077 218 16 % % NOUN bracis-19077 218 17 , , PUNCT bracis-19077 218 18 opinion opinion NOUN bracis-19077 218 19 extraction extraction NOUN bracis-19077 218 20 is be AUX bracis-19077 218 21 7.87 7.87 NUM bracis-19077 218 22 % % NOUN bracis-19077 218 23 and and CCONJ bracis-19077 218 24 triplet triplet NOUN bracis-19077 218 25 extraction extraction NOUN bracis-19077 218 26 is be AUX bracis-19077 218 27 12.58 12.58 NUM bracis-19077 218 28 % % NOUN bracis-19077 218 29 . . PUNCT bracis-19077 219 1 in in ADP bracis-19077 219 2 aspect aspect NOUN bracis-19077 219 3 extraction extraction NOUN bracis-19077 219 4 in in ADP bracis-19077 219 5 english english PROPN bracis-19077 219 6 , , PUNCT bracis-19077 219 7 the the DET bracis-19077 219 8 results result NOUN bracis-19077 219 9 are be AUX bracis-19077 219 10 not not PART bracis-19077 219 11 conclusive conclusive ADJ bracis-19077 219 12 . . PUNCT bracis-19077 220 1 however however ADV bracis-19077 220 2 , , PUNCT bracis-19077 220 3 in in ADP bracis-19077 220 4 opinion opinion NOUN bracis-19077 220 5 and and CCONJ bracis-19077 220 6 triplet triplet NOUN bracis-19077 220 7 extraction extraction NOUN bracis-19077 220 8 in in ADP bracis-19077 220 9 english english PROPN bracis-19077 220 10 , , PUNCT bracis-19077 220 11 the the DET bracis-19077 220 12 framework framework NOUN bracis-19077 220 13 outperforms outperform VERB bracis-19077 220 14 the the DET bracis-19077 220 15 baselines baseline NOUN bracis-19077 220 16 significantly significantly ADV bracis-19077 220 17 in in ADP bracis-19077 220 18 three three NUM bracis-19077 220 19 of of ADP bracis-19077 220 20 the the DET bracis-19077 220 21 four four NUM bracis-19077 220 22 datasets dataset NOUN bracis-19077 220 23 . . PUNCT bracis-19077 221 1 in in ADP bracis-19077 221 2 rest rest NOUN bracis-19077 221 3 14 14 NUM bracis-19077 221 4 , , PUNCT bracis-19077 221 5 there there PRON bracis-19077 221 6 is be VERB bracis-19077 221 7 no no DET bracis-19077 221 8 statistically statistically ADV bracis-19077 221 9 significant significant ADJ bracis-19077 221 10 difference difference NOUN bracis-19077 221 11 between between ADP bracis-19077 221 12 bote bote NOUN bracis-19077 221 13 and and CCONJ bracis-19077 221 14 ote ote PROPN bracis-19077 221 15 - - PUNCT bracis-19077 221 16 mtl mtl PROPN bracis-19077 221 17 . . PUNCT bracis-19077 222 1 detailed detailed ADJ bracis-19077 222 2 information information NOUN bracis-19077 222 3 about about ADP bracis-19077 222 4 precision precision NOUN bracis-19077 222 5 , , PUNCT bracis-19077 222 6 recall recall NOUN bracis-19077 222 7 , , PUNCT bracis-19077 222 8 and and CCONJ bracis-19077 222 9 how how SCONJ bracis-19077 222 10 the the DET bracis-19077 222 11 errors error NOUN bracis-19077 222 12 affect affect VERB bracis-19077 222 13 the the DET bracis-19077 222 14 application application NOUN bracis-19077 222 15 can can AUX bracis-19077 222 16 be be AUX bracis-19077 222 17 found find VERB bracis-19077 222 18 at at ADP bracis-19077 222 19 https://dx.doi.org/10.21227/0ej1-br13 https://dx.doi.org/10.21227/0ej1-br13 PROPN bracis-19077 222 20 . . PUNCT bracis-19077 222 21 table table NOUN bracis-19077 222 22 3 3 PROPN bracis-19077 222 23 . . NOUN bracis-19077 222 24 results result VERB bracis-19077 222 25 f1 f1 NOUN bracis-19077 222 26 - - PUNCT bracis-19077 222 27 score score NOUN bracis-19077 222 28 ( ( PUNCT bracis-19077 222 29 % % NOUN bracis-19077 222 30 ) ) PUNCT bracis-19077 222 31 . . PUNCT bracis-19077 223 1 * * PUNCT bracis-19077 223 2 indicates indicate VERB bracis-19077 223 3 difference difference NOUN bracis-19077 223 4 is be AUX bracis-19077 223 5 not not PART bracis-19077 223 6 statistically statistically ADV bracis-19077 223 7 significant significant ADJ bracis-19077 223 8 between between ADP bracis-19077 223 9 flagged flag VERB bracis-19077 223 10 models model NOUN bracis-19077 223 11 . . PUNCT bracis-19077 224 1 bold bold ADJ bracis-19077 224 2 indicates indicate VERB bracis-19077 224 3 statistically statistically ADV bracis-19077 224 4 significant significant ADJ bracis-19077 224 5 superior superior ADJ bracis-19077 224 6 performance.full performance.full ADJ bracis-19077 224 7 size size NOUN bracis-19077 224 8 table table NOUN bracis-19077 224 9 additionally additionally ADV bracis-19077 224 10 , , PUNCT bracis-19077 224 11 experiments experiment NOUN bracis-19077 224 12 were be AUX bracis-19077 224 13 carried carry VERB bracis-19077 224 14 out out ADP bracis-19077 224 15 to to PART bracis-19077 224 16 test test VERB bracis-19077 224 17 the the DET bracis-19077 224 18 models model NOUN bracis-19077 224 19 in in ADP bracis-19077 224 20 domains domain NOUN bracis-19077 224 21 for for ADP bracis-19077 224 22 which which PRON bracis-19077 224 23 they they PRON bracis-19077 224 24 were be AUX bracis-19077 224 25 not not PART bracis-19077 224 26 trained train VERB bracis-19077 224 27 . . PUNCT bracis-19077 225 1 the the DET bracis-19077 225 2 tests test NOUN bracis-19077 225 3 were be AUX bracis-19077 225 4 performed perform VERB bracis-19077 225 5 in in ADP bracis-19077 225 6 both both CCONJ bracis-19077 225 7 portuguese portuguese ADJ bracis-19077 225 8 and and CCONJ bracis-19077 225 9 english english PROPN bracis-19077 225 10 . . PUNCT bracis-19077 226 1 the the DET bracis-19077 226 2 models model NOUN bracis-19077 226 3 in in ADP bracis-19077 226 4 portuguese portuguese PROPN bracis-19077 226 5 were be AUX bracis-19077 226 6 trained train VERB bracis-19077 226 7 in in ADP bracis-19077 226 8 the the DET bracis-19077 226 9 books book NOUN bracis-19077 226 10 domain domain NOUN bracis-19077 226 11 and and CCONJ bracis-19077 226 12 tested test VERB bracis-19077 226 13 in in ADP bracis-19077 226 14 the the DET bracis-19077 226 15 hotels hotel NOUN bracis-19077 226 16 domain domain NOUN bracis-19077 226 17 . . PUNCT bracis-19077 227 1 the the DET bracis-19077 227 2 english english PROPN bracis-19077 227 3 models model NOUN bracis-19077 227 4 were be AUX bracis-19077 227 5 trained train VERB bracis-19077 227 6 in in ADP bracis-19077 227 7 the the DET bracis-19077 227 8 restaurant restaurant NOUN bracis-19077 227 9 domain domain NOUN bracis-19077 227 10 and and CCONJ bracis-19077 227 11 tested test VERB bracis-19077 227 12 in in ADP bracis-19077 227 13 the the DET bracis-19077 227 14 laptop laptop NOUN bracis-19077 227 15 domain domain NOUN bracis-19077 227 16 . . PUNCT bracis-19077 228 1 the the DET bracis-19077 228 2 results result NOUN bracis-19077 228 3 are be AUX bracis-19077 228 4 displayed display VERB bracis-19077 228 5 in in ADP bracis-19077 228 6 table table NOUN bracis-19077 228 7     SPACE bracis-19077 228 8 4 4 NUM bracis-19077 228 9 . . PUNCT bracis-19077 229 1 bote bote PROPN bracis-19077 229 2 shows show VERB bracis-19077 229 3 significantly significantly ADV bracis-19077 229 4 better well ADJ bracis-19077 229 5 performance performance NOUN bracis-19077 229 6 than than ADP bracis-19077 229 7 baselines baseline NOUN bracis-19077 229 8 in in ADP bracis-19077 229 9 all all DET bracis-19077 229 10 three three NUM bracis-19077 229 11 tasks task NOUN bracis-19077 229 12 , , PUNCT bracis-19077 229 13 although although SCONJ bracis-19077 229 14 lower low ADJ bracis-19077 229 15 when when SCONJ bracis-19077 229 16 compared compare VERB bracis-19077 229 17 with with ADP bracis-19077 229 18 bote bote NOUN bracis-19077 229 19 results result NOUN bracis-19077 229 20 in in ADP bracis-19077 229 21 the the DET bracis-19077 229 22 same same ADJ bracis-19077 229 23 domain domain NOUN bracis-19077 229 24 . . PUNCT bracis-19077 230 1 this this PRON bracis-19077 230 2 indicates indicate VERB bracis-19077 230 3 that that SCONJ bracis-19077 230 4 , , PUNCT bracis-19077 230 5 comparing compare VERB bracis-19077 230 6 with with ADP bracis-19077 230 7 the the DET bracis-19077 230 8 baselines baseline NOUN bracis-19077 230 9 , , PUNCT bracis-19077 230 10 our our PRON bracis-19077 230 11 model model NOUN bracis-19077 230 12 responds respond VERB bracis-19077 230 13 better well ADV bracis-19077 230 14 to to ADP bracis-19077 230 15 new new ADJ bracis-19077 230 16 information information NOUN bracis-19077 230 17 , , PUNCT bracis-19077 230 18 relationships relationship NOUN bracis-19077 230 19 and and CCONJ bracis-19077 230 20 objects object NOUN bracis-19077 230 21 that that PRON bracis-19077 230 22 were be AUX bracis-19077 230 23 shown show VERB bracis-19077 230 24 to to ADP bracis-19077 230 25 it it PRON bracis-19077 230 26 during during ADP bracis-19077 230 27 training training NOUN bracis-19077 230 28 . . PUNCT bracis-19077 231 1 table table NOUN bracis-19077 231 2 4 4 NUM bracis-19077 231 3 . . PUNCT bracis-19077 232 1 f1 f1 NOUN bracis-19077 232 2 - - PUNCT bracis-19077 232 3 score score NOUN bracis-19077 232 4 ( ( PUNCT bracis-19077 232 5 % % INTJ bracis-19077 232 6 ) ) PUNCT bracis-19077 232 7 transfer transfer NOUN bracis-19077 232 8 learning learning NOUN bracis-19077 232 9 between between ADP bracis-19077 232 10 different different ADJ bracis-19077 232 11 domains.full domains.full ADJ bracis-19077 232 12 size size NOUN bracis-19077 232 13 table table NOUN bracis-19077 232 14 finally finally ADV bracis-19077 232 15 , , PUNCT bracis-19077 232 16 several several ADJ bracis-19077 232 17 tests test NOUN bracis-19077 232 18 were be AUX bracis-19077 232 19 run run VERB bracis-19077 232 20 to to PART bracis-19077 232 21 evaluate evaluate VERB bracis-19077 232 22 the the DET bracis-19077 232 23 performance performance NOUN bracis-19077 232 24 of of ADP bracis-19077 232 25 the the DET bracis-19077 232 26 proposed propose VERB bracis-19077 232 27 model model NOUN bracis-19077 232 28 based base VERB bracis-19077 232 29 on on ADP bracis-19077 232 30 the the DET bracis-19077 232 31 number number NOUN bracis-19077 232 32 of of ADP bracis-19077 232 33 triples triple NOUN bracis-19077 232 34 per per ADP bracis-19077 232 35 sentence sentence NOUN bracis-19077 232 36     SPACE bracis-19077 232 37 ( ( PUNCT bracis-19077 232 38 table table NOUN bracis-19077 232 39     SPACE bracis-19077 232 40 5 5 NUM bracis-19077 232 41 ) ) PUNCT bracis-19077 232 42 . . PUNCT bracis-19077 233 1 the the DET bracis-19077 233 2 results result NOUN bracis-19077 233 3 indicate indicate VERB bracis-19077 233 4 that that SCONJ bracis-19077 233 5 the the PRON bracis-19077 233 6 greater great ADJ bracis-19077 233 7 the the DET bracis-19077 233 8 number number NOUN bracis-19077 233 9 of of ADP bracis-19077 233 10 triplets triplet NOUN bracis-19077 233 11 in in ADP bracis-19077 233 12 a a DET bracis-19077 233 13 sentence sentence NOUN bracis-19077 233 14 , , PUNCT bracis-19077 233 15 the the PRON bracis-19077 233 16 higher high ADJ bracis-19077 233 17 the the DET bracis-19077 233 18 hit hit NOUN bracis-19077 233 19 rate rate NOUN bracis-19077 233 20 ( ( PUNCT bracis-19077 233 21 except except SCONJ bracis-19077 233 22 between between ADP bracis-19077 233 23 3 3 NUM bracis-19077 233 24 - - PUNCT bracis-19077 233 25 triplets triplet NOUN bracis-19077 233 26 and and CCONJ bracis-19077 233 27 4 4 NUM bracis-19077 233 28 - - PUNCT bracis-19077 233 29 triplets triplet NOUN bracis-19077 233 30 in in ADP bracis-19077 233 31 rehol rehol NOUN bracis-19077 233 32 ) ) PUNCT bracis-19077 233 33 . . PUNCT bracis-19077 234 1 since since SCONJ bracis-19077 234 2 the the PRON bracis-19077 234 3 greater great ADJ bracis-19077 234 4 the the DET bracis-19077 234 5 number number NOUN bracis-19077 234 6 of of ADP bracis-19077 234 7 triplets triplet NOUN bracis-19077 234 8 , , PUNCT bracis-19077 234 9 the the DET bracis-19077 234 10 more more ADV bracis-19077 234 11 complex complex ADJ bracis-19077 234 12 are be AUX bracis-19077 234 13 the the DET bracis-19077 234 14 relationships relationship NOUN bracis-19077 234 15 between between ADP bracis-19077 234 16 aspects aspect NOUN bracis-19077 234 17 and and CCONJ bracis-19077 234 18 opinion opinion NOUN bracis-19077 234 19 terms term NOUN bracis-19077 234 20 , , PUNCT bracis-19077 234 21 further further ADJ bracis-19077 234 22 experiments experiment NOUN bracis-19077 234 23 are be AUX bracis-19077 234 24 needed need VERB bracis-19077 234 25 to to PART bracis-19077 234 26 identify identify VERB bracis-19077 234 27 the the DET bracis-19077 234 28 underlying underlying ADJ bracis-19077 234 29 cause cause NOUN bracis-19077 234 30 of of ADP bracis-19077 234 31 this this DET bracis-19077 234 32 behavior behavior NOUN bracis-19077 234 33 . . PUNCT bracis-19077 235 1 table table NOUN bracis-19077 235 2 5 5 NUM bracis-19077 235 3 . . PUNCT bracis-19077 236 1 bote bote VERB bracis-19077 236 2 f1 f1 NOUN bracis-19077 236 3 - - PUNCT bracis-19077 236 4 score score NOUN bracis-19077 236 5 ( ( PUNCT bracis-19077 236 6 % % INTJ bracis-19077 236 7 ) ) PUNCT bracis-19077 236 8 according accord VERB bracis-19077 236 9 to to ADP bracis-19077 236 10 number number NOUN bracis-19077 236 11 of of ADP bracis-19077 236 12 triplets triplet NOUN bracis-19077 236 13 per per ADP bracis-19077 236 14 sentence.full sentence.full NUM bracis-19077 236 15 size size NOUN bracis-19077 236 16 table table NOUN bracis-19077 236 17 5.2 5.2 NUM bracis-19077 236 18 ablation ablation NOUN bracis-19077 236 19 study study NOUN bracis-19077 236 20 we we PRON bracis-19077 236 21 examine examine VERB bracis-19077 236 22 the the DET bracis-19077 236 23 effectiveness effectiveness NOUN bracis-19077 236 24 of of ADP bracis-19077 236 25 two two NUM bracis-19077 236 26 components component NOUN bracis-19077 236 27 of of ADP bracis-19077 236 28 our our PRON bracis-19077 236 29 bote bote NOUN bracis-19077 236 30 model model NOUN bracis-19077 236 31 , , PUNCT bracis-19077 236 32 namely namely ADV bracis-19077 236 33 the the DET bracis-19077 236 34 reduction reduction NOUN bracis-19077 236 35 layer layer NOUN bracis-19077 236 36 and and CCONJ bracis-19077 236 37 graph graph VERB bracis-19077 236 38 attention attention NOUN bracis-19077 236 39 layer layer NOUN bracis-19077 236 40 ( ( PUNCT bracis-19077 236 41 gal gal PROPN bracis-19077 236 42 ) ) PUNCT bracis-19077 236 43 . . PUNCT bracis-19077 237 1 table table NOUN bracis-19077 237 2     SPACE bracis-19077 237 3 6 6 NUM bracis-19077 237 4 presents present VERB bracis-19077 237 5 the the DET bracis-19077 237 6 ablation ablation NOUN bracis-19077 237 7 results result VERB bracis-19077 237 8 on on ADP bracis-19077 237 9 reli reli NOUN bracis-19077 237 10 and and CCONJ bracis-19077 237 11 rehol rehol NOUN bracis-19077 237 12 datasets dataset NOUN bracis-19077 237 13 . . PUNCT bracis-19077 238 1 bote bote VERB bracis-19077 238 2 - - PUNCT bracis-19077 238 3 noreduction noreduction NOUN bracis-19077 238 4 does do AUX bracis-19077 238 5 not not PART bracis-19077 238 6 use use VERB bracis-19077 238 7 any any DET bracis-19077 238 8 type type NOUN bracis-19077 238 9 of of ADP bracis-19077 238 10 reduction reduction NOUN bracis-19077 238 11 , , PUNCT bracis-19077 238 12 bote bote NOUN bracis-19077 238 13 - - PUNCT bracis-19077 238 14 linear linear NOUN bracis-19077 238 15 uses use VERB bracis-19077 238 16 a a DET bracis-19077 238 17 linear linear ADJ bracis-19077 238 18 layer layer NOUN bracis-19077 238 19 , , PUNCT bracis-19077 238 20 bote bote NOUN bracis-19077 238 21 - - PUNCT bracis-19077 238 22 relu relu NOUN bracis-19077 238 23 uses use VERB bracis-19077 238 24 a a DET bracis-19077 238 25 relu relu NOUN bracis-19077 238 26 layer layer NOUN bracis-19077 238 27 and and CCONJ bracis-19077 238 28 bote bote NOUN bracis-19077 238 29 - - PUNCT bracis-19077 238 30 nograph nograph NOUN bracis-19077 238 31 uses use VERB bracis-19077 238 32 a a DET bracis-19077 238 33 bilstm bilstm NOUN bracis-19077 238 34 layer layer NOUN bracis-19077 238 35 but but CCONJ bracis-19077 238 36 does do AUX bracis-19077 238 37 not not PART bracis-19077 238 38 use use VERB bracis-19077 238 39 graph graph NOUN bracis-19077 238 40 attention attention NOUN bracis-19077 238 41 . . PUNCT bracis-19077 239 1 the the DET bracis-19077 239 2 original original ADJ bracis-19077 239 3 bote bote NOUN bracis-19077 239 4 uses use VERB bracis-19077 239 5 a a DET bracis-19077 239 6 bilstm bilstm NOUN bracis-19077 239 7 layer layer NOUN bracis-19077 239 8 to to PART bracis-19077 239 9 reduce reduce VERB bracis-19077 239 10 the the DET bracis-19077 239 11 size size NOUN bracis-19077 239 12 of of ADP bracis-19077 239 13 the the DET bracis-19077 239 14 word word NOUN bracis-19077 239 15 vectors vector NOUN bracis-19077 239 16 and and CCONJ bracis-19077 239 17 graph graph VERB bracis-19077 239 18 attention attention NOUN bracis-19077 239 19 layer layer NOUN bracis-19077 239 20 to to PART bracis-19077 239 21 parse parse VERB bracis-19077 239 22 aspect aspect NOUN bracis-19077 239 23 and and CCONJ bracis-19077 239 24 opinion opinion NOUN bracis-19077 239 25 terms term NOUN bracis-19077 239 26 . . PUNCT bracis-19077 240 1 regarding regard VERB bracis-19077 240 2 aspect aspect NOUN bracis-19077 240 3 extraction extraction NOUN bracis-19077 240 4 ( ( PUNCT bracis-19077 240 5 at at ADP bracis-19077 240 6 ) ) PUNCT bracis-19077 240 7 and and CCONJ bracis-19077 240 8 opinion opinion NOUN bracis-19077 240 9 extraction extraction NOUN bracis-19077 240 10 ( ( PUNCT bracis-19077 240 11 ot ot INTJ bracis-19077 240 12 ) ) PUNCT bracis-19077 240 13 tasks task NOUN bracis-19077 240 14 , , PUNCT bracis-19077 240 15 there there PRON bracis-19077 240 16 is be VERB bracis-19077 240 17 no no DET bracis-19077 240 18 statistically statistically ADV bracis-19077 240 19 significant significant ADJ bracis-19077 240 20 difference difference NOUN bracis-19077 240 21 between between ADP bracis-19077 240 22 linear linear PROPN bracis-19077 240 23 , , PUNCT bracis-19077 240 24 nonlinear nonlinear ADJ bracis-19077 240 25 and and CCONJ bracis-19077 240 26 no no DET bracis-19077 240 27 reduction reduction NOUN bracis-19077 240 28 . . PUNCT bracis-19077 241 1 however however ADV bracis-19077 241 2 , , PUNCT bracis-19077 241 3 we we PRON bracis-19077 241 4 can can AUX bracis-19077 241 5 observe observe VERB bracis-19077 241 6 a a DET bracis-19077 241 7 significant significant ADJ bracis-19077 241 8 improvement improvement NOUN bracis-19077 241 9 when when SCONJ bracis-19077 241 10 the the DET bracis-19077 241 11 model model NOUN bracis-19077 241 12 uses use VERB bracis-19077 241 13 a a DET bracis-19077 241 14 bilstm bilstm NOUN bracis-19077 241 15 layer layer NOUN bracis-19077 241 16 to to PART bracis-19077 241 17 reduce reduce VERB bracis-19077 241 18 the the DET bracis-19077 241 19 dimensionality dimensionality NOUN bracis-19077 241 20 of of ADP bracis-19077 241 21 the the DET bracis-19077 241 22 word word NOUN bracis-19077 241 23 vectors vector NOUN bracis-19077 241 24 . . PUNCT bracis-19077 242 1 since since SCONJ bracis-19077 242 2 gal gal NOUN bracis-19077 242 3 is be AUX bracis-19077 242 4 not not PART bracis-19077 242 5 involved involve VERB bracis-19077 242 6 in in ADP bracis-19077 242 7 at at ADP bracis-19077 242 8 and and CCONJ bracis-19077 242 9 ot ot INTJ bracis-19077 242 10 , , PUNCT bracis-19077 242 11 it it PRON bracis-19077 242 12 is be AUX bracis-19077 242 13 not not PART bracis-19077 242 14 expected expect VERB bracis-19077 242 15 to to PART bracis-19077 242 16 be be AUX bracis-19077 242 17 any any DET bracis-19077 242 18 significant significant ADJ bracis-19077 242 19 difference difference NOUN bracis-19077 242 20 between between ADP bracis-19077 242 21 bote bote NOUN bracis-19077 242 22 - - PUNCT bracis-19077 242 23 nograph nograph NOUN bracis-19077 242 24 and and CCONJ bracis-19077 242 25 bote bote NOUN bracis-19077 242 26 . . PUNCT bracis-19077 243 1 regarding regard VERB bracis-19077 243 2 triplet triplet NOUN bracis-19077 243 3 extraction extraction NOUN bracis-19077 243 4 ( ( PUNCT bracis-19077 243 5 tr tr VERB bracis-19077 243 6 ) ) PUNCT bracis-19077 243 7 , , PUNCT bracis-19077 243 8 nonlinear nonlinear ADJ bracis-19077 243 9 and and CCONJ bracis-19077 243 10 bilstm bilstm NOUN bracis-19077 243 11 reduction reduction NOUN bracis-19077 243 12 show show VERB bracis-19077 243 13 a a DET bracis-19077 243 14 significant significant ADJ bracis-19077 243 15 improvement improvement NOUN bracis-19077 243 16 in in ADP bracis-19077 243 17 the the DET bracis-19077 243 18 sentiment sentiment NOUN bracis-19077 243 19 parsing parse VERB bracis-19077 243 20 process process NOUN bracis-19077 243 21 compared compare VERB bracis-19077 243 22 to to ADP bracis-19077 243 23 no no DET bracis-19077 243 24 reduction reduction NOUN bracis-19077 243 25 . . PUNCT bracis-19077 244 1 likewise likewise ADV bracis-19077 244 2 , , PUNCT bracis-19077 244 3 when when SCONJ bracis-19077 244 4 we we PRON bracis-19077 244 5 use use VERB bracis-19077 244 6 gal gal NOUN bracis-19077 244 7 we we PRON bracis-19077 244 8 obtain obtain VERB bracis-19077 244 9 better well ADJ bracis-19077 244 10 results result NOUN bracis-19077 244 11 compared compare VERB bracis-19077 244 12 to to ADP bracis-19077 244 13 the the DET bracis-19077 244 14 other other ADJ bracis-19077 244 15 variants variant NOUN bracis-19077 244 16 . . PUNCT bracis-19077 245 1 table table NOUN bracis-19077 245 2 6 6 NUM bracis-19077 245 3 . . PUNCT bracis-19077 245 4 ablation ablation NOUN bracis-19077 245 5 study study NOUN bracis-19077 245 6 f1 f1 NOUN bracis-19077 245 7 - - PUNCT bracis-19077 245 8 score score NOUN bracis-19077 245 9 ( ( PUNCT bracis-19077 245 10 % % NOUN bracis-19077 245 11 ) ) PUNCT bracis-19077 245 12 .full .full NOUN bracis-19077 245 13 size size NOUN bracis-19077 245 14 table table NOUN bracis-19077 245 15 6 6 NUM bracis-19077 245 16 conclusions conclusion NOUN bracis-19077 245 17 and and CCONJ bracis-19077 245 18     SPACE bracis-19077 245 19 future future ADJ bracis-19077 245 20 work work NOUN bracis-19077 245 21 in in ADP bracis-19077 245 22 this this DET bracis-19077 245 23 work work NOUN bracis-19077 245 24 , , PUNCT bracis-19077 245 25 we we PRON bracis-19077 245 26 proposed propose VERB bracis-19077 245 27 a a DET bracis-19077 245 28 machine machine NOUN bracis-19077 245 29 learning learn VERB bracis-19077 245 30 framework framework NOUN bracis-19077 245 31 to to PART bracis-19077 245 32 deal deal VERB bracis-19077 245 33 with with ADP bracis-19077 245 34 aspect aspect NOUN bracis-19077 245 35 sentiment sentiment NOUN bracis-19077 245 36 triplet triplet NOUN bracis-19077 245 37 extraction extraction NOUN bracis-19077 245 38 in in ADP bracis-19077 245 39 portuguese portuguese PROPN bracis-19077 245 40 . . PUNCT bracis-19077 246 1 our our PRON bracis-19077 246 2 model model NOUN bracis-19077 246 3 used use VERB bracis-19077 246 4 a a DET bracis-19077 246 5 bert bert PROPN bracis-19077 246 6 model model NOUN bracis-19077 246 7 to to PART bracis-19077 246 8 obtain obtain VERB bracis-19077 246 9 context context NOUN bracis-19077 246 10 - - PUNCT bracis-19077 246 11 aware aware ADJ bracis-19077 246 12 word word NOUN bracis-19077 246 13 vectors vector NOUN bracis-19077 246 14 , , PUNCT bracis-19077 246 15 a a DET bracis-19077 246 16 graph graph NOUN bracis-19077 246 17 attention attention NOUN bracis-19077 246 18 layer layer NOUN bracis-19077 246 19 to to PART bracis-19077 246 20 exploit exploit VERB bracis-19077 246 21 the the DET bracis-19077 246 22 syntactic syntactic ADJ bracis-19077 246 23 information information NOUN bracis-19077 246 24 contained contain VERB bracis-19077 246 25 in in ADP bracis-19077 246 26 the the DET bracis-19077 246 27 sentence sentence NOUN bracis-19077 246 28 , , PUNCT bracis-19077 246 29 and and CCONJ bracis-19077 246 30 a a DET bracis-19077 246 31 biaffine biaffine ADJ bracis-19077 246 32 scorer scorer NOUN bracis-19077 246 33 as as ADP bracis-19077 246 34 a a DET bracis-19077 246 35 sentiment sentiment NOUN bracis-19077 246 36 parser parser NOUN bracis-19077 246 37 . . PUNCT bracis-19077 247 1 the the DET bracis-19077 247 2 model model NOUN bracis-19077 247 3 achieved achieve VERB bracis-19077 247 4 an an DET bracis-19077 247 5 average average ADJ bracis-19077 247 6 f1 f1 NOUN bracis-19077 247 7 - - PUNCT bracis-19077 247 8 score score NOUN bracis-19077 247 9 of of ADP bracis-19077 247 10 62.07 62.07 NUM bracis-19077 247 11 % % NOUN bracis-19077 247 12 in in ADP bracis-19077 247 13 the the DET bracis-19077 247 14 datasets dataset NOUN bracis-19077 247 15 in in ADP bracis-19077 247 16 aste aste NOUN bracis-19077 247 17 portuguese portuguese PROPN bracis-19077 247 18 . . PUNCT bracis-19077 248 1 when when SCONJ bracis-19077 248 2 the the DET bracis-19077 248 3 model model NOUN bracis-19077 248 4 was be AUX bracis-19077 248 5 trained train VERB bracis-19077 248 6 in in ADP bracis-19077 248 7 one one NUM bracis-19077 248 8 domain domain NOUN bracis-19077 248 9 and and CCONJ bracis-19077 248 10 tested test VERB bracis-19077 248 11 in in ADP bracis-19077 248 12 another another PRON bracis-19077 248 13 , , PUNCT bracis-19077 248 14 it it PRON bracis-19077 248 15 achieved achieve VERB bracis-19077 248 16 an an DET bracis-19077 248 17 f1 f1 NOUN bracis-19077 248 18 - - PUNCT bracis-19077 248 19 score score NOUN bracis-19077 248 20 of of ADP bracis-19077 248 21 37.78 37.78 NUM bracis-19077 248 22 % % NOUN bracis-19077 248 23 compared compare VERB bracis-19077 248 24 to to ADP bracis-19077 248 25 17.15 17.15 NUM bracis-19077 248 26 % % NOUN bracis-19077 248 27 of of ADP bracis-19077 248 28 the the DET bracis-19077 248 29 best good ADJ bracis-19077 248 30 baseline baseline NOUN bracis-19077 248 31 performance performance NOUN bracis-19077 248 32 . . PUNCT bracis-19077 249 1 besides besides SCONJ bracis-19077 249 2 , , PUNCT bracis-19077 249 3 the the DET bracis-19077 249 4 results result NOUN bracis-19077 249 5 showed show VERB bracis-19077 249 6 the the DET bracis-19077 249 7 higher high ADJ bracis-19077 249 8 the the DET bracis-19077 249 9 number number NOUN bracis-19077 249 10 of of ADP bracis-19077 249 11 triplets triplet NOUN bracis-19077 249 12 , , PUNCT bracis-19077 249 13 the the DET bracis-19077 249 14 more more ADV bracis-19077 249 15 accurate accurate ADJ bracis-19077 249 16 the the DET bracis-19077 249 17 model model NOUN bracis-19077 249 18 . . PUNCT bracis-19077 250 1 the the DET bracis-19077 250 2 ablation ablation NOUN bracis-19077 250 3 study study NOUN bracis-19077 250 4 proved prove VERB bracis-19077 250 5 that that SCONJ bracis-19077 250 6 performance performance NOUN bracis-19077 250 7 is be AUX bracis-19077 250 8 better well ADJ bracis-19077 250 9 when when SCONJ bracis-19077 250 10 a a DET bracis-19077 250 11 dimensionality dimensionality NOUN bracis-19077 250 12 reducer reducer NOUN bracis-19077 250 13 is be AUX bracis-19077 250 14 applied apply VERB bracis-19077 250 15 to to ADP bracis-19077 250 16 bert bert PROPN bracis-19077 250 17 word word NOUN bracis-19077 250 18 vectors vector NOUN bracis-19077 250 19 . . PUNCT bracis-19077 251 1 the the DET bracis-19077 251 2 experimental experimental ADJ bracis-19077 251 3 results result NOUN bracis-19077 251 4 verify verify VERB bracis-19077 251 5 the the DET bracis-19077 251 6 effectiveness effectiveness NOUN bracis-19077 251 7 of of ADP bracis-19077 251 8 our our PRON bracis-19077 251 9 framework framework NOUN bracis-19077 251 10 compared compare VERB bracis-19077 251 11 to to ADP bracis-19077 251 12 the the DET bracis-19077 251 13 baselines baseline NOUN bracis-19077 251 14 . . PUNCT bracis-19077 252 1 to to ADP bracis-19077 252 2 the the DET bracis-19077 252 3 best good ADJ bracis-19077 252 4 of of ADP bracis-19077 252 5 our our PRON bracis-19077 252 6 knowledge knowledge NOUN bracis-19077 252 7 , , PUNCT bracis-19077 252 8 we we PRON bracis-19077 252 9 have have AUX bracis-19077 252 10 developed develop VERB bracis-19077 252 11 the the DET bracis-19077 252 12 most most ADV bracis-19077 252 13 fine fine ADV bracis-19077 252 14 - - PUNCT bracis-19077 252 15 grained grain VERB bracis-19077 252 16 model model NOUN bracis-19077 252 17 to to PART bracis-19077 252 18 deal deal VERB bracis-19077 252 19 with with ADP bracis-19077 252 20 aspect aspect NOUN bracis-19077 252 21 sentiment sentiment NOUN bracis-19077 252 22 tasks task NOUN bracis-19077 252 23 in in ADP bracis-19077 252 24 portuguese portuguese PROPN bracis-19077 252 25 . . PUNCT bracis-19077 253 1 the the DET bracis-19077 253 2 proposed propose VERB bracis-19077 253 3 model model NOUN bracis-19077 253 4 even even ADV bracis-19077 253 5 outperforms outperform VERB bracis-19077 253 6 its its PRON bracis-19077 253 7 english english ADJ bracis-19077 253 8 counterparts counterpart NOUN bracis-19077 253 9 in in ADP bracis-19077 253 10 some some DET bracis-19077 253 11 cases case NOUN bracis-19077 253 12 . . PUNCT bracis-19077 254 1 ablation ablation NOUN bracis-19077 254 2 study study NOUN bracis-19077 254 3 validates validate VERB bracis-19077 254 4 the the DET bracis-19077 254 5 effectiveness effectiveness NOUN bracis-19077 254 6 of of ADP bracis-19077 254 7 applying apply VERB bracis-19077 254 8 dimensionality dimensionality NOUN bracis-19077 254 9 reduction reduction NOUN bracis-19077 254 10 in in ADP bracis-19077 254 11 bert bert PROPN bracis-19077 254 12 word word NOUN bracis-19077 254 13 vectors vector NOUN bracis-19077 254 14 , , PUNCT bracis-19077 254 15 especially especially ADV bracis-19077 254 16 when when SCONJ bracis-19077 254 17 using use VERB bracis-19077 254 18 a a DET bracis-19077 254 19 bilstm bilstm NOUN bracis-19077 254 20 layer layer NOUN bracis-19077 254 21 . . PUNCT bracis-19077 255 1 besides besides SCONJ bracis-19077 255 2 , , PUNCT bracis-19077 255 3 syntactic syntactic ADJ bracis-19077 255 4 information information NOUN bracis-19077 255 5 improves improve VERB bracis-19077 255 6 sentiment sentiment NOUN bracis-19077 255 7 parsing parse VERB bracis-19077 255 8 . . PUNCT bracis-19077 256 1 finally finally ADV bracis-19077 256 2 , , PUNCT bracis-19077 256 3 our our PRON bracis-19077 256 4 model model NOUN bracis-19077 256 5 shows show VERB bracis-19077 256 6 a a DET bracis-19077 256 7 greater great ADJ bracis-19077 256 8 capacity capacity NOUN bracis-19077 256 9 of of ADP bracis-19077 256 10 transfer transfer NOUN bracis-19077 256 11 learning learn VERB bracis-19077 256 12 across across ADP bracis-19077 256 13 different different ADJ bracis-19077 256 14 domains domain NOUN bracis-19077 256 15 , , PUNCT bracis-19077 256 16 responding respond VERB bracis-19077 256 17 better well ADV bracis-19077 256 18 to to ADP bracis-19077 256 19 new new ADJ bracis-19077 256 20 information information NOUN bracis-19077 256 21 . . PUNCT bracis-19077 257 1 future future ADJ bracis-19077 257 2 works work NOUN bracis-19077 257 3 include include VERB bracis-19077 257 4 developing develop VERB bracis-19077 257 5 an an DET bracis-19077 257 6 opinion opinion NOUN bracis-19077 257 7 dependency dependency NOUN bracis-19077 257 8 tree tree NOUN bracis-19077 257 9 where where SCONJ bracis-19077 257 10 the the DET bracis-19077 257 11 relationship relationship NOUN bracis-19077 257 12 between between ADP bracis-19077 257 13 words word NOUN bracis-19077 257 14 is be AUX bracis-19077 257 15 based base VERB bracis-19077 257 16 not not PART bracis-19077 257 17 on on ADP bracis-19077 257 18 syntax syntax NOUN bracis-19077 257 19 , , PUNCT bracis-19077 257 20 but but CCONJ bracis-19077 257 21 on on ADP bracis-19077 257 22 sentiment sentiment NOUN bracis-19077 257 23 , , PUNCT bracis-19077 257 24 as as SCONJ bracis-19077 257 25 syntax syntax NOUN bracis-19077 257 26 trees tree NOUN bracis-19077 257 27 usually usually ADV bracis-19077 257 28 ignore ignore VERB bracis-19077 257 29 many many ADJ bracis-19077 257 30 connections connection NOUN bracis-19077 257 31 between between ADP bracis-19077 257 32 aspects aspect NOUN bracis-19077 257 33 and and CCONJ bracis-19077 257 34 opinion opinion NOUN bracis-19077 257 35 words word NOUN bracis-19077 257 36 . . PUNCT bracis-19077 258 1 other other ADJ bracis-19077 258 2 possible possible ADJ bracis-19077 258 3 research research NOUN bracis-19077 258 4 directions direction NOUN bracis-19077 258 5 could could AUX bracis-19077 258 6 aim aim VERB bracis-19077 258 7 at at ADP bracis-19077 258 8 improving improve VERB bracis-19077 258 9 the the DET bracis-19077 258 10 classification classification NOUN bracis-19077 258 11 ability ability NOUN bracis-19077 258 12 of of ADP bracis-19077 258 13 the the DET bracis-19077 258 14 model model NOUN bracis-19077 258 15 in in ADP bracis-19077 258 16 multiple multiple ADJ bracis-19077 258 17 domains domain NOUN bracis-19077 258 18 or or CCONJ bracis-19077 258 19 determining determine VERB bracis-19077 258 20 the the DET bracis-19077 258 21 reason reason NOUN bracis-19077 258 22 why why SCONJ bracis-19077 258 23 the the PRON bracis-19077 258 24 higher high ADJ bracis-19077 258 25 the the DET bracis-19077 258 26 number number NOUN bracis-19077 258 27 of of ADP bracis-19077 258 28 triplets triplet NOUN bracis-19077 258 29 per per ADP bracis-19077 258 30 sentence sentence NOUN bracis-19077 258 31 , , PUNCT bracis-19077 258 32 the the DET bracis-19077 258 33 better well ADJ bracis-19077 258 34 is be AUX bracis-19077 258 35 the the DET bracis-19077 258 36 model model NOUN bracis-19077 258 37 performance performance NOUN bracis-19077 258 38 . . PUNCT bracis-19077 259 1 notes note VERB bracis-19077 259 2 1.source 1.source NUM bracis-19077 259 3 code code NOUN bracis-19077 259 4 available available ADJ bracis-19077 259 5 at at ADP bracis-19077 259 6 https://github.com/josemelendezb/bote https://github.com/josemelendezb/bote ADJ bracis-19077 259 7 . . PUNCT bracis-19077 260 1 2.we 2.we NUM bracis-19077 260 2 obtain obtain VERB bracis-19077 260 3 the the DET bracis-19077 260 4 syntactic syntactic ADJ bracis-19077 260 5 dependency dependency NOUN bracis-19077 260 6 graph graph NOUN bracis-19077 260 7 of of ADP bracis-19077 260 8 a a DET bracis-19077 260 9 sentence sentence NOUN bracis-19077 260 10 using use VERB bracis-19077 260 11 spacy spacy PROPN bracis-19077 260 12 parser parser NOUN bracis-19077 260 13 . . PUNCT bracis-19077 261 1 3.datasets 3.dataset NOUN bracis-19077 261 2 are be AUX bracis-19077 261 3 available available ADJ bracis-19077 261 4 by by ADP bracis-19077 261 5 zhang zhang PROPN bracis-19077 261 6 et et PROPN bracis-19077 261 7 al al PROPN bracis-19077 261 8 . . PUNCT bracis-19077 262 1 at at ADP bracis-19077 262 2 https://github.com/genezc/ote-mtl https://github.com/genezc/ote-mtl NOUN bracis-19077 262 3 . . PUNCT bracis-19077 263 1 4.http://nilc.icmc.usp.br/nilc/index.php/repositorio-de-word-embeddings-do-nilc 4.http://nilc.icmc.usp.br/nilc/index.php/repositorio-de-word-embeddings-do-nilc X bracis-19077 263 2 . . PUNCT bracis-19077 264 1 5.https://github.com/google-research/bert 5.https://github.com/google-research/bert X bracis-19077 264 2 . . PUNCT bracis-19077 264 3 references reference NOUN bracis-19077 264 4 aires aires PROPN bracis-19077 264 5 , , PUNCT bracis-19077 264 6 j.p j.p PROPN bracis-19077 264 7 . . PROPN bracis-19077 264 8 , , PUNCT bracis-19077 264 9 padilha padilha NOUN bracis-19077 264 10 , , PUNCT bracis-19077 264 11 c. c. PROPN bracis-19077 264 12 , , PUNCT bracis-19077 264 13 quevedo quevedo PROPN bracis-19077 264 14 , , PUNCT bracis-19077 264 15 c. c. PROPN bracis-19077 264 16 , , PUNCT bracis-19077 264 17 meneguzzi meneguzzi PROPN bracis-19077 264 18 , , PUNCT bracis-19077 264 19 f. f. PROPN bracis-19077 264 20 : : PUNCT bracis-19077 264 21 a a DET bracis-19077 264 22 deep deep ADJ bracis-19077 264 23 learning learning NOUN bracis-19077 264 24 approach approach NOUN bracis-19077 264 25 to to PART bracis-19077 264 26 classify classify VERB bracis-19077 264 27 aspect aspect NOUN bracis-19077 264 28 - - PUNCT bracis-19077 264 29 level level NOUN bracis-19077 264 30 sentiment sentiment NOUN bracis-19077 264 31 using use VERB bracis-19077 264 32 small small ADJ bracis-19077 264 33 datasets dataset NOUN bracis-19077 264 34 . . PUNCT bracis-19077 265 1 in in ADP bracis-19077 265 2 : : PUNCT bracis-19077 265 3 2018 2018 NUM bracis-19077 265 4 international international ADJ bracis-19077 265 5 joint joint ADJ bracis-19077 265 6 conference conference NOUN bracis-19077 265 7 on on ADP bracis-19077 265 8 neural neural ADJ bracis-19077 265 9 networks network NOUN bracis-19077 265 10 ( ( PUNCT bracis-19077 265 11 ijcnn ijcnn PROPN bracis-19077 265 12 ) ) PUNCT bracis-19077 265 13 , , PUNCT bracis-19077 265 14 pp pp ADP bracis-19077 265 15 . . PUNCT bracis-19077 266 1 1–8 1–8 X bracis-19077 266 2 . . PUNCT bracis-19077 266 3 ieee ieee PROPN bracis-19077 266 4 ( ( PUNCT bracis-19077 266 5 2018 2018 NUM bracis-19077 266 6 ) ) PUNCT bracis-19077 266 7 google google NOUN bracis-19077 266 8 scholar scholar NOUN bracis-19077 266 9     SPACE bracis-19077 266 10 balage balage NOUN bracis-19077 266 11 filho filho NOUN bracis-19077 266 12 , , PUNCT bracis-19077 266 13 p.p p.p PROPN bracis-19077 266 14 . . PUNCT bracis-19077 266 15 : : PUNCT bracis-19077 266 16 aspect aspect VERB bracis-19077 266 17 extraction extraction NOUN bracis-19077 266 18 in in ADP bracis-19077 266 19 sentiment sentiment NOUN bracis-19077 266 20 analysis analysis NOUN bracis-19077 266 21 for for ADP bracis-19077 266 22 portuguese portuguese ADJ bracis-19077 266 23 language language NOUN bracis-19077 266 24 . . PUNCT bracis-19077 267 1 ph.d ph.d PROPN bracis-19077 267 2 . . PUNCT bracis-19077 268 1 thesis thesis PROPN bracis-19077 268 2 , , PUNCT bracis-19077 268 3 universidade universidade PROPN bracis-19077 268 4 de de PROPN bracis-19077 268 5 sao sao PROPN bracis-19077 268 6 paulo paulo PROPN bracis-19077 268 7 ( ( PUNCT bracis-19077 268 8 2017 2017 NUM bracis-19077 268 9 ) ) PUNCT bracis-19077 268 10 google google PROPN bracis-19077 268 11 scholar scholar NOUN bracis-19077 268 12     SPACE bracis-19077 268 13 bekoulis bekoulis PROPN bracis-19077 268 14 , , PUNCT bracis-19077 268 15 g. g. PROPN bracis-19077 268 16 , , PUNCT bracis-19077 268 17 deleu deleu PROPN bracis-19077 268 18 , , PUNCT bracis-19077 268 19 j. j. PROPN bracis-19077 268 20 , , PUNCT bracis-19077 268 21 demeester demeester NOUN bracis-19077 268 22 , , PUNCT bracis-19077 268 23 t. t. PROPN bracis-19077 268 24 , , PUNCT bracis-19077 268 25 develder develder NOUN bracis-19077 268 26 , , PUNCT bracis-19077 268 27 c. c. NOUN bracis-19077 268 28 : : PUNCT bracis-19077 268 29 joint joint ADJ bracis-19077 268 30 entity entity NOUN bracis-19077 268 31 recognition recognition NOUN bracis-19077 268 32 and and CCONJ bracis-19077 268 33 relation relation NOUN bracis-19077 268 34 extraction extraction NOUN bracis-19077 268 35 as as ADP bracis-19077 268 36 a a DET bracis-19077 268 37 multi multi ADJ bracis-19077 268 38 - - ADJ bracis-19077 268 39 head head ADJ bracis-19077 268 40 selection selection NOUN bracis-19077 268 41 problem problem NOUN bracis-19077 268 42 . . PUNCT bracis-19077 269 1 expert expert NOUN bracis-19077 269 2 syst syst PROPN bracis-19077 269 3 . . PUNCT bracis-19077 270 1 appl appl PROPN bracis-19077 270 2 . . PROPN bracis-19077 271 1 114 114 NUM bracis-19077 271 2 , , PUNCT bracis-19077 271 3 34–45 34–45 NUM bracis-19077 271 4 ( ( PUNCT bracis-19077 271 5 2018 2018 NUM bracis-19077 271 6 ) ) PUNCT bracis-19077 271 7 article article NOUN bracis-19077 271 8     SPACE bracis-19077 271 9 google google PROPN bracis-19077 271 10 scholar scholar NOUN bracis-19077 271 11     SPACE bracis-19077 271 12 cardoso cardoso NOUN bracis-19077 271 13 , , PUNCT bracis-19077 271 14 b. b. PROPN bracis-19077 271 15 , , PUNCT bracis-19077 271 16 pereira pereira PROPN bracis-19077 271 17 , , PUNCT bracis-19077 271 18 d. d. PROPN bracis-19077 271 19 : : PUNCT bracis-19077 271 20 evaluating evaluate VERB bracis-19077 271 21 an an DET bracis-19077 271 22 aspect aspect NOUN bracis-19077 271 23 extraction extraction NOUN bracis-19077 271 24 method method NOUN bracis-19077 271 25 for for ADP bracis-19077 271 26 opinion opinion NOUN bracis-19077 271 27 mining mining NOUN bracis-19077 271 28 in in ADP bracis-19077 271 29 the the DET bracis-19077 271 30 portuguese portuguese ADJ bracis-19077 271 31 language language NOUN bracis-19077 271 32 . . PUNCT bracis-19077 272 1 in in ADP bracis-19077 272 2 : : PUNCT bracis-19077 272 3 anais anais PROPN bracis-19077 272 4 do do VERB bracis-19077 272 5 viii viii NOUN bracis-19077 272 6 symposium symposium NOUN bracis-19077 272 7 on on ADP bracis-19077 272 8 knowledge knowledge NOUN bracis-19077 272 9 discovery discovery NOUN bracis-19077 272 10 , , PUNCT bracis-19077 272 11 mining mining NOUN bracis-19077 272 12 and and CCONJ bracis-19077 272 13 learning learning NOUN bracis-19077 272 14 , , PUNCT bracis-19077 272 15 pp pp ADP bracis-19077 272 16 . . PUNCT bracis-19077 273 1 137–144 137–144 NUM bracis-19077 273 2 . . PUNCT bracis-19077 274 1 sbc sbc NOUN bracis-19077 274 2 ( ( PUNCT bracis-19077 274 3 2020 2020 NUM bracis-19077 274 4 ) ) PUNCT bracis-19077 274 5 google google PROPN bracis-19077 274 6 scholar scholar NOUN bracis-19077 274 7     SPACE bracis-19077 274 8 cui cui PROPN bracis-19077 274 9 , , PUNCT bracis-19077 274 10 z. z. PROPN bracis-19077 274 11 , , PUNCT bracis-19077 274 12 maojie maojie PROPN bracis-19077 274 13 , , PUNCT bracis-19077 274 14 z. z. PROPN bracis-19077 274 15 : : PUNCT bracis-19077 274 16 aspect aspect NOUN bracis-19077 274 17 level level NOUN bracis-19077 274 18 sentiment sentiment NOUN bracis-19077 274 19 classification classification NOUN bracis-19077 274 20 based base VERB bracis-19077 274 21 on on ADP bracis-19077 274 22 double double ADJ bracis-19077 274 23 attention attention NOUN bracis-19077 274 24 mechanism mechanism NOUN bracis-19077 274 25 . . PUNCT bracis-19077 275 1 in in ADP bracis-19077 275 2 : : PUNCT bracis-19077 275 3 proceedings proceeding NOUN bracis-19077 275 4 of of ADP bracis-19077 275 5 the the DET bracis-19077 275 6 2019 2019 NUM bracis-19077 275 7 2nd 2nd ADJ bracis-19077 275 8 international international ADJ bracis-19077 275 9 conference conference NOUN bracis-19077 275 10 on on ADP bracis-19077 275 11 e e NOUN bracis-19077 275 12 - - NOUN bracis-19077 275 13 business business NOUN bracis-19077 275 14 , , PUNCT bracis-19077 275 15 information information NOUN bracis-19077 275 16 management management NOUN bracis-19077 275 17 and and CCONJ bracis-19077 275 18 computer computer NOUN bracis-19077 275 19 science science NOUN bracis-19077 275 20 . . PUNCT bracis-19077 276 1 ebimcs ebimcs NOUN bracis-19077 276 2 2019 2019 NUM bracis-19077 276 3 . . PUNCT bracis-19077 277 1 association association NOUN bracis-19077 277 2 for for ADP bracis-19077 277 3 computing compute VERB bracis-19077 277 4 machinery machinery NOUN bracis-19077 277 5 , , PUNCT bracis-19077 277 6 new new PROPN bracis-19077 277 7 york york PROPN bracis-19077 277 8 ( ( PUNCT bracis-19077 277 9 2019 2019 NUM bracis-19077 277 10 ) ) PUNCT bracis-19077 277 11 . . PUNCT bracis-19077 278 1 https://doi.org/10.1145/3377817.3377834 https://doi.org/10.1145/3377817.3377834 PROPN bracis-19077 278 2 demšar demšar PROPN bracis-19077 278 3 , , PUNCT bracis-19077 278 4 j. j. PROPN bracis-19077 278 5 : : PUNCT bracis-19077 278 6 statistical statistical ADJ bracis-19077 278 7 comparisons comparison NOUN bracis-19077 278 8 of of ADP bracis-19077 278 9 classifiers classifier NOUN bracis-19077 278 10 over over ADP bracis-19077 278 11 multiple multiple ADJ bracis-19077 278 12 data datum NOUN bracis-19077 278 13 sets set NOUN bracis-19077 278 14 . . PUNCT bracis-19077 279 1 j. j. PROPN bracis-19077 279 2 mach mach PROPN bracis-19077 279 3 . . PUNCT bracis-19077 280 1 learn learn VERB bracis-19077 280 2 . . PUNCT bracis-19077 281 1 res re NOUN bracis-19077 281 2 . . PUNCT bracis-19077 282 1 7(1 7(1 NUM bracis-19077 282 2 ) ) PUNCT bracis-19077 282 3 , , PUNCT bracis-19077 282 4 1–30 1–30 PROPN bracis-19077 282 5 ( ( PUNCT bracis-19077 282 6 2006 2006 NUM bracis-19077 282 7 ) ) PUNCT bracis-19077 282 8 . . PUNCT bracis-19077 283 1 http://jmlr.org/papers/v7/demsar06a.html http://jmlr.org/papers/v7/demsar06a.html PROPN bracis-19077 283 2 devlin devlin PROPN bracis-19077 283 3 , , PUNCT bracis-19077 283 4 j. j. PROPN bracis-19077 283 5 , , PUNCT bracis-19077 283 6 chang chang PROPN bracis-19077 283 7 , , PUNCT bracis-19077 283 8 m.w m.w PROPN bracis-19077 283 9 . . PROPN bracis-19077 283 10 , , PUNCT bracis-19077 283 11 lee lee PROPN bracis-19077 283 12 , , PUNCT bracis-19077 283 13 k. k. PROPN bracis-19077 283 14 , , PUNCT bracis-19077 283 15 toutanova toutanova PROPN bracis-19077 283 16 , , PUNCT bracis-19077 283 17 k. k. PROPN bracis-19077 283 18 : : PUNCT bracis-19077 283 19 bert bert PROPN bracis-19077 283 20 : : PUNCT bracis-19077 283 21 pre pre ADJ bracis-19077 283 22 - - NOUN bracis-19077 283 23 training training NOUN bracis-19077 283 24 of of ADP bracis-19077 283 25 deep deep ADJ bracis-19077 283 26 bidirectional bidirectional ADJ bracis-19077 283 27 transformers transformer NOUN bracis-19077 283 28 for for ADP bracis-19077 283 29 language language NOUN bracis-19077 283 30 understanding understanding NOUN bracis-19077 283 31 . . PUNCT bracis-19077 284 1 in in ADP bracis-19077 284 2 : : PUNCT bracis-19077 284 3 proceedings proceeding NOUN bracis-19077 284 4 of of ADP bracis-19077 284 5 the the DET bracis-19077 284 6 2019 2019 NUM bracis-19077 284 7 conference conference NOUN bracis-19077 284 8 of of ADP bracis-19077 284 9 the the DET bracis-19077 284 10 north north ADJ bracis-19077 284 11 american american ADJ bracis-19077 284 12 chapter chapter NOUN bracis-19077 284 13 of of ADP bracis-19077 284 14 the the DET bracis-19077 284 15 association association NOUN bracis-19077 284 16 for for ADP bracis-19077 284 17 computational computational ADJ bracis-19077 284 18 linguistics linguistic NOUN bracis-19077 284 19 , , PUNCT bracis-19077 284 20 minneapolis minneapolis PROPN bracis-19077 284 21 , , PUNCT bracis-19077 284 22 minnesota minnesota PROPN bracis-19077 284 23 , , PUNCT bracis-19077 284 24 pp pp ADJ bracis-19077 284 25 . . PUNCT bracis-19077 285 1 4171–4186 4171–4186 NUM bracis-19077 285 2 . . PUNCT bracis-19077 286 1 association association NOUN bracis-19077 286 2 for for ADP bracis-19077 286 3 computational computational ADJ bracis-19077 286 4 linguistics linguistic NOUN bracis-19077 286 5 , , PUNCT bracis-19077 286 6 june june PROPN bracis-19077 286 7 2019 2019 NUM bracis-19077 286 8 . . PUNCT bracis-19077 287 1 https://doi.org/10.18653/v1/n19-1423 https://doi.org/10.18653/v1/n19-1423 NOUN bracis-19077 287 2 dietterich dietterich PROPN bracis-19077 287 3 , , PUNCT bracis-19077 287 4 t.g t.g PROPN bracis-19077 287 5 . . PROPN bracis-19077 287 6 : : PUNCT bracis-19077 287 7 approximate approximate ADJ bracis-19077 287 8 statistical statistical ADJ bracis-19077 287 9 tests test NOUN bracis-19077 287 10 for for ADP bracis-19077 287 11 comparing compare VERB bracis-19077 287 12 supervised supervised ADJ bracis-19077 287 13 classification classification NOUN bracis-19077 287 14 learning learning NOUN bracis-19077 287 15 algorithms algorithm NOUN bracis-19077 287 16 . . PUNCT bracis-19077 288 1 neural neural ADJ bracis-19077 288 2 comput comput NOUN bracis-19077 288 3 . . PUNCT bracis-19077 289 1 10(7 10(7 NUM bracis-19077 289 2 ) ) PUNCT bracis-19077 289 3 , , PUNCT bracis-19077 289 4 1895–1923 1895–1923 NUM bracis-19077 289 5 ( ( PUNCT bracis-19077 289 6 1998 1998 NUM bracis-19077 289 7 ) ) PUNCT bracis-19077 289 8 article article NOUN bracis-19077 289 9     SPACE bracis-19077 289 10 google google PROPN bracis-19077 289 11 scholar scholar NOUN bracis-19077 289 12     SPACE bracis-19077 289 13 dozat dozat NOUN bracis-19077 289 14 , , PUNCT bracis-19077 289 15 t. t. PROPN bracis-19077 289 16 , , PUNCT bracis-19077 289 17 manning manning NOUN bracis-19077 289 18 , , PUNCT bracis-19077 289 19 c.d c.d PROPN bracis-19077 289 20 . . PUNCT bracis-19077 289 21 : : PUNCT bracis-19077 290 1 deep deep ADJ bracis-19077 290 2 biaffine biaffine VERB bracis-19077 290 3 attention attention NOUN bracis-19077 290 4 for for ADP bracis-19077 290 5 neural neural ADJ bracis-19077 290 6 dependency dependency NOUN bracis-19077 290 7 parsing parsing NOUN bracis-19077 290 8 . . PUNCT bracis-19077 291 1 in in ADP bracis-19077 291 2 : : PUNCT bracis-19077 291 3 5th 5th ADJ bracis-19077 291 4 international international ADJ bracis-19077 291 5 conference conference NOUN bracis-19077 291 6 on on ADP bracis-19077 291 7 learning learn VERB bracis-19077 291 8 representations representation NOUN bracis-19077 291 9 , , PUNCT bracis-19077 291 10 iclr iclr ADJ bracis-19077 291 11 2017 2017 NUM bracis-19077 291 12 , , PUNCT bracis-19077 291 13 toulon toulon PROPN bracis-19077 291 14 , , PUNCT bracis-19077 291 15 france france PROPN bracis-19077 291 16 , , PUNCT bracis-19077 291 17 24–26 24–26 NUM bracis-19077 291 18 april april PROPN bracis-19077 291 19 2017 2017 NUM bracis-19077 291 20 , , PUNCT bracis-19077 291 21 conference conference NOUN bracis-19077 291 22 track track NOUN bracis-19077 291 23 proceedings proceeding NOUN bracis-19077 291 24 . . PUNCT bracis-19077 292 1 openreview.net openreview.net X bracis-19077 292 2 ( ( PUNCT bracis-19077 292 3 2017 2017 NUM bracis-19077 292 4 ) ) PUNCT bracis-19077 292 5 . . PUNCT bracis-19077 293 1 https://openreview.net/forum?id=hk95pk9le https://openreview.net/forum?id=hk95pk9le PROPN bracis-19077 293 2 fan fan PROPN bracis-19077 293 3 , , PUNCT bracis-19077 293 4 z. z. PROPN bracis-19077 293 5 , , PUNCT bracis-19077 293 6 wu wu PROPN bracis-19077 293 7 , , PUNCT bracis-19077 293 8 z. z. PROPN bracis-19077 293 9 , , PUNCT bracis-19077 293 10 dai dai PROPN bracis-19077 293 11 , , PUNCT bracis-19077 293 12 x.y x.y PROPN bracis-19077 293 13 . . PROPN bracis-19077 293 14 , , PUNCT bracis-19077 293 15 huang huang PROPN bracis-19077 293 16 , , PUNCT bracis-19077 293 17 s. s. PROPN bracis-19077 293 18 , , PUNCT bracis-19077 293 19 chen chen PROPN bracis-19077 293 20 , , PUNCT bracis-19077 293 21 j. j. PROPN bracis-19077 293 22 : : PUNCT bracis-19077 293 23 target target NOUN bracis-19077 293 24 - - PUNCT bracis-19077 293 25 oriented orient VERB bracis-19077 293 26 opinion opinion NOUN bracis-19077 293 27 words word NOUN bracis-19077 293 28 extraction extraction NOUN bracis-19077 293 29 with with ADP bracis-19077 293 30 target target NOUN bracis-19077 293 31 - - PUNCT bracis-19077 293 32 fused fuse VERB bracis-19077 293 33 neural neural ADJ bracis-19077 293 34 sequence sequence NOUN bracis-19077 293 35 labeling labeling NOUN bracis-19077 293 36 . . PUNCT bracis-19077 294 1 in in ADP bracis-19077 294 2 : : PUNCT bracis-19077 294 3 proceedings proceeding NOUN bracis-19077 294 4 of of ADP bracis-19077 294 5 the the DET bracis-19077 294 6 2019 2019 NUM bracis-19077 294 7 conference conference NOUN bracis-19077 294 8 of of ADP bracis-19077 294 9 the the DET bracis-19077 294 10 north north ADJ bracis-19077 294 11 american american ADJ bracis-19077 294 12 chapter chapter NOUN bracis-19077 294 13 of of ADP bracis-19077 294 14 the the DET bracis-19077 294 15 association association NOUN bracis-19077 294 16 for for ADP bracis-19077 294 17 computational computational ADJ bracis-19077 294 18 linguistics linguistic NOUN bracis-19077 294 19 , , PUNCT bracis-19077 294 20 minneapolis minneapolis PROPN bracis-19077 294 21 , , PUNCT bracis-19077 294 22 minnesota minnesota PROPN bracis-19077 294 23 , , PUNCT bracis-19077 294 24 pp pp ADJ bracis-19077 294 25 . . PUNCT bracis-19077 294 26 2509–2518 2509–2518 NUM bracis-19077 294 27 . . PUNCT bracis-19077 294 28 association association NOUN bracis-19077 294 29 for for ADP bracis-19077 294 30 computational computational ADJ bracis-19077 294 31 linguistics linguistic NOUN bracis-19077 294 32 , , PUNCT bracis-19077 294 33 june june PROPN bracis-19077 294 34 2019 2019 NUM bracis-19077 294 35 . . PUNCT bracis-19077 295 1 https://doi.org/10.18653/v1/n19-1259 https://doi.org/10.18653/v1/n19-1259 NOUN bracis-19077 295 2 farias farias PROPN bracis-19077 295 3 , , PUNCT bracis-19077 295 4 d.s d.s PROPN bracis-19077 295 5 . . PROPN bracis-19077 295 6 , , PUNCT bracis-19077 295 7 matsuno matsuno PROPN bracis-19077 295 8 , , PUNCT bracis-19077 295 9 i.p i.p PROPN bracis-19077 295 10 . . PROPN bracis-19077 295 11 , , PUNCT bracis-19077 295 12 marcacini marcacini PROPN bracis-19077 295 13 , , PUNCT bracis-19077 295 14 r.m r.m PROPN bracis-19077 295 15 . . PROPN bracis-19077 295 16 , , PUNCT bracis-19077 295 17 rezende rezende PROPN bracis-19077 295 18 , , PUNCT bracis-19077 295 19 s.o s.o PROPN bracis-19077 295 20 . . PROPN bracis-19077 295 21 : : PUNCT bracis-19077 296 1 opinion opinion NOUN bracis-19077 296 2 - - PUNCT bracis-19077 296 3 meter meter NOUN bracis-19077 296 4 : : PUNCT bracis-19077 296 5 a a DET bracis-19077 296 6 framework framework NOUN bracis-19077 296 7 for for ADP bracis-19077 296 8 aspect aspect NOUN bracis-19077 296 9 - - PUNCT bracis-19077 296 10 based base VERB bracis-19077 296 11 sentiment sentiment NOUN bracis-19077 296 12 analysis analysis NOUN bracis-19077 296 13 . . PUNCT bracis-19077 297 1 in in ADP bracis-19077 297 2 : : PUNCT bracis-19077 297 3 proceedings proceeding NOUN bracis-19077 297 4 of of ADP bracis-19077 297 5 the the DET bracis-19077 297 6 22nd 22nd ADJ bracis-19077 297 7 brazilian brazilian ADJ bracis-19077 297 8 symposium symposium NOUN bracis-19077 297 9 on on ADP bracis-19077 297 10 multimedia multimedia NOUN bracis-19077 297 11 and and CCONJ bracis-19077 297 12 the the DET bracis-19077 297 13 web web NOUN bracis-19077 297 14 , , PUNCT bracis-19077 297 15 pp pp ADJ bracis-19077 297 16 . . PUNCT bracis-19077 298 1 351–354 351–354 NUM bracis-19077 298 2 . . PUNCT bracis-19077 298 3 acm acm PROPN bracis-19077 298 4 ( ( PUNCT bracis-19077 298 5 2016 2016 NUM bracis-19077 298 6 ) ) PUNCT bracis-19077 298 7 . . PUNCT bracis-19077 299 1 https://doi.org/10.1145/2976796.2988214 https://doi.org/10.1145/2976796.2988214 ADJ bracis-19077 299 2 freitas freitas PROPN bracis-19077 299 3 , , PUNCT bracis-19077 299 4 c. c. PROPN bracis-19077 299 5 , , PUNCT bracis-19077 299 6 motta motta PROPN bracis-19077 299 7 , , PUNCT bracis-19077 299 8 e. e. PROPN bracis-19077 299 9 , , PUNCT bracis-19077 299 10 milidiú milidiú PROPN bracis-19077 299 11 , , PUNCT bracis-19077 299 12 r. r. PROPN bracis-19077 299 13 , , PUNCT bracis-19077 299 14 césar césar PROPN bracis-19077 299 15 , , PUNCT bracis-19077 299 16 j. j. PROPN bracis-19077 299 17 : : PUNCT bracis-19077 299 18 vampiro vampiro PROPN bracis-19077 299 19 que que PROPN bracis-19077 299 20 brilha brilha PROPN bracis-19077 299 21 ... ... PUNCT bracis-19077 299 22 rá rá PROPN bracis-19077 299 23 ! ! PUNCT bracis-19077 299 24 desafios desafio VERB bracis-19077 299 25 na na PROPN bracis-19077 299 26 anotaçao anotaçao PROPN bracis-19077 299 27 de de PROPN bracis-19077 299 28 opiniao opiniao VERB bracis-19077 299 29 em em PRON bracis-19077 299 30 um um INTJ bracis-19077 299 31 corpus corpus PROPN bracis-19077 299 32 de de X bracis-19077 299 33 resenhas resenhas PROPN bracis-19077 299 34 de de PROPN bracis-19077 299 35 livros livros PROPN bracis-19077 299 36 . . PUNCT bracis-19077 300 1 encontro encontro PROPN bracis-19077 300 2 de de PROPN bracis-19077 300 3 linguística linguística PROPN bracis-19077 300 4 de de PROPN bracis-19077 300 5 corpus corpus PROPN bracis-19077 300 6 11 11 NUM bracis-19077 300 7 , , PUNCT bracis-19077 300 8 22 22 NUM bracis-19077 300 9 ( ( PUNCT bracis-19077 300 10 2012 2012 NUM bracis-19077 300 11 ) ) PUNCT bracis-19077 300 12 google google PROPN bracis-19077 300 13 scholar scholar NOUN bracis-19077 300 14     SPACE bracis-19077 300 15 freitas freita NOUN bracis-19077 300 16 , , PUNCT bracis-19077 300 17 l.a l.a PROPN bracis-19077 300 18 . . PROPN bracis-19077 300 19 , , PUNCT bracis-19077 300 20 vieira vieira PROPN bracis-19077 300 21 , , PUNCT bracis-19077 300 22 r. r. PROPN bracis-19077 300 23 : : PUNCT bracis-19077 300 24 exploring explore VERB bracis-19077 300 25 resources resource NOUN bracis-19077 300 26 for for ADP bracis-19077 300 27 sentiment sentiment NOUN bracis-19077 300 28 analysis analysis NOUN bracis-19077 300 29 in in ADP bracis-19077 300 30 portuguese portuguese ADJ bracis-19077 300 31 language language NOUN bracis-19077 300 32 . . PUNCT bracis-19077 301 1 in in ADP bracis-19077 301 2 : : PUNCT bracis-19077 301 3 brazilian brazilian ADJ bracis-19077 301 4 conference conference NOUN bracis-19077 301 5 on on ADP bracis-19077 301 6 intelligent intelligent ADJ bracis-19077 301 7 systems system NOUN bracis-19077 301 8 , , PUNCT bracis-19077 301 9 pp pp ADP bracis-19077 301 10 . . PUNCT bracis-19077 302 1 152–156 152–156 NUM bracis-19077 302 2 . . PUNCT bracis-19077 303 1 ieee ieee NOUN bracis-19077 303 2 ( ( PUNCT bracis-19077 303 3 2015 2015 NUM bracis-19077 303 4 ) ) PUNCT bracis-19077 303 5 google google NOUN bracis-19077 303 6 scholar scholar NOUN bracis-19077 303 7     SPACE bracis-19077 303 8 garcía garcía ADJ bracis-19077 303 9 , , PUNCT bracis-19077 303 10 s. s. PROPN bracis-19077 303 11 , , PUNCT bracis-19077 303 12 herrera herrera PROPN bracis-19077 303 13 , , PUNCT bracis-19077 303 14 f. f. PROPN bracis-19077 303 15 : : PUNCT bracis-19077 303 16 an an DET bracis-19077 303 17 extension extension NOUN bracis-19077 303 18 on on ADP bracis-19077 303 19 “ " PUNCT bracis-19077 303 20 statistical statistical ADJ bracis-19077 303 21 comparisons comparison NOUN bracis-19077 303 22 of of ADP bracis-19077 303 23 classifiers classifier NOUN bracis-19077 303 24 over over ADP bracis-19077 303 25 multiple multiple ADJ bracis-19077 303 26 data datum NOUN bracis-19077 303 27 sets set NOUN bracis-19077 303 28 ” " PUNCT bracis-19077 303 29 for for ADP bracis-19077 303 30 all all DET bracis-19077 303 31 pairwise pairwise NOUN bracis-19077 303 32 comparisons comparison NOUN bracis-19077 303 33 . . PUNCT bracis-19077 304 1 j. j. PROPN bracis-19077 304 2 mach mach PROPN bracis-19077 304 3 . . PUNCT bracis-19077 305 1 learn learn VERB bracis-19077 305 2 . . PUNCT bracis-19077 306 1 res re NOUN bracis-19077 306 2 . . PUNCT bracis-19077 307 1 9(89 9(89 NUM bracis-19077 307 2 ) ) PUNCT bracis-19077 307 3 , , PUNCT bracis-19077 307 4 2677–2694 2677–2694 NUM bracis-19077 307 5 ( ( PUNCT bracis-19077 307 6 2008 2008 NUM bracis-19077 307 7 ) ) PUNCT bracis-19077 307 8 . . PUNCT bracis-19077 308 1 http://jmlr.org/papers/v9/garcia08a.html http://jmlr.org/papers/v9/garcia08a.html PROPN bracis-19077 309 1 goldberg goldberg PROPN bracis-19077 309 2 , , PUNCT bracis-19077 309 3 y. y. NOUN bracis-19077 309 4 : : PUNCT bracis-19077 309 5 assessing assess VERB bracis-19077 309 6 bert bert PROPN bracis-19077 309 7 ’s ’s PART bracis-19077 309 8 syntactic syntactic ADJ bracis-19077 309 9 abilities ability NOUN bracis-19077 309 10 . . PUNCT bracis-19077 310 1 arxiv arxiv PROPN bracis-19077 310 2 ( ( PUNCT bracis-19077 310 3 2019 2019 NUM bracis-19077 310 4 ) ) PUNCT bracis-19077 310 5 . . PUNCT bracis-19077 311 1 http://arxiv.org/abs/1901.05287 http://arxiv.org/abs/1901.05287 PROPN bracis-19077 311 2 han han PROPN bracis-19077 311 3 , , PUNCT bracis-19077 311 4 h. h. PROPN bracis-19077 311 5 , , PUNCT bracis-19077 311 6 li li PROPN bracis-19077 311 7 , , PUNCT bracis-19077 311 8 x. x. PROPN bracis-19077 311 9 , , PUNCT bracis-19077 311 10 zhi zhi PROPN bracis-19077 311 11 , , PUNCT bracis-19077 311 12 s. s. PROPN bracis-19077 311 13 , , PUNCT bracis-19077 311 14 wang wang PROPN bracis-19077 311 15 , , PUNCT bracis-19077 311 16 h. h. PROPN bracis-19077 311 17 : : PUNCT bracis-19077 311 18 multi multi ADJ bracis-19077 311 19 - - ADJ bracis-19077 311 20 attention attention ADJ bracis-19077 311 21 network network NOUN bracis-19077 311 22 for for ADP bracis-19077 311 23 aspect aspect NOUN bracis-19077 311 24 sentiment sentiment NOUN bracis-19077 311 25 analysis analysis NOUN bracis-19077 311 26 . . PUNCT bracis-19077 312 1 in in ADP bracis-19077 312 2 : : PUNCT bracis-19077 312 3 proceedings proceeding NOUN bracis-19077 312 4 of of ADP bracis-19077 312 5 the the DET bracis-19077 312 6 2019 2019 NUM bracis-19077 312 7 8th 8th ADJ bracis-19077 312 8 international international ADJ bracis-19077 312 9 conference conference NOUN bracis-19077 312 10 on on ADP bracis-19077 312 11 software software NOUN bracis-19077 312 12 and and CCONJ bracis-19077 312 13 computer computer NOUN bracis-19077 312 14 applications application NOUN bracis-19077 312 15 , , PUNCT bracis-19077 312 16 icsca icsca NOUN bracis-19077 312 17 2019 2019 NUM bracis-19077 312 18 , , PUNCT bracis-19077 312 19 pp pp ADJ bracis-19077 312 20 . . PUNCT bracis-19077 312 21 22–26 22–26 NUM bracis-19077 312 22 . . PUNCT bracis-19077 312 23 association association NOUN bracis-19077 312 24 for for ADP bracis-19077 312 25 computing compute VERB bracis-19077 312 26 machinery machinery NOUN bracis-19077 312 27 , , PUNCT bracis-19077 312 28 new new PROPN bracis-19077 312 29 york york PROPN bracis-19077 312 30 ( ( PUNCT bracis-19077 312 31 2019 2019 NUM bracis-19077 312 32 ) ) PUNCT bracis-19077 312 33 . . PUNCT bracis-19077 313 1 https://doi.org/10.1145/3316615.3316673 https://doi.org/10.1145/3316615.3316673 PROPN bracis-19077 313 2 he he PRON bracis-19077 313 3 , , PUNCT bracis-19077 313 4 r. r. PROPN bracis-19077 313 5 , , PUNCT bracis-19077 313 6 lee lee PROPN bracis-19077 313 7 , , PUNCT bracis-19077 313 8 w.s w.s PROPN bracis-19077 313 9 . . PROPN bracis-19077 313 10 , , PUNCT bracis-19077 313 11 ng ng PROPN bracis-19077 313 12 , , PUNCT bracis-19077 313 13 h.t h.t PROPN bracis-19077 313 14 . . PROPN bracis-19077 313 15 , , PUNCT bracis-19077 313 16 dahlmeier dahlmei ADJ bracis-19077 313 17 , , PUNCT bracis-19077 313 18 d. d. PROPN bracis-19077 313 19 : : PUNCT bracis-19077 313 20 an an DET bracis-19077 313 21 interactive interactive ADJ bracis-19077 313 22 multi multi ADJ bracis-19077 313 23 - - ADJ bracis-19077 313 24 task task ADJ bracis-19077 313 25 learning learn VERB bracis-19077 313 26 network network NOUN bracis-19077 313 27 for for ADP bracis-19077 313 28 end end NOUN bracis-19077 313 29 - - PUNCT bracis-19077 313 30 to to ADP bracis-19077 313 31 - - PUNCT bracis-19077 313 32 end end NOUN bracis-19077 313 33 aspect aspect NOUN bracis-19077 313 34 - - PUNCT bracis-19077 313 35 based base VERB bracis-19077 313 36 sentiment sentiment NOUN bracis-19077 313 37 analysis analysis NOUN bracis-19077 313 38 . . PUNCT bracis-19077 314 1 in in ADP bracis-19077 314 2 : : PUNCT bracis-19077 314 3 proceedings proceeding NOUN bracis-19077 314 4 of of ADP bracis-19077 314 5 the the DET bracis-19077 314 6 57th 57th ADJ bracis-19077 314 7 annual annual ADJ bracis-19077 314 8 meeting meeting NOUN bracis-19077 314 9 of of ADP bracis-19077 314 10 the the DET bracis-19077 314 11 association association NOUN bracis-19077 314 12 for for ADP bracis-19077 314 13 computational computational ADJ bracis-19077 314 14 linguistics linguistic NOUN bracis-19077 314 15 , , PUNCT bracis-19077 314 16 florence florence NOUN bracis-19077 314 17 , , PUNCT bracis-19077 314 18 italy italy PROPN bracis-19077 314 19 , , PUNCT bracis-19077 314 20 pp pp X bracis-19077 314 21 . . PUNCT bracis-19077 315 1 504–515 504–515 NUM bracis-19077 315 2 . . PUNCT bracis-19077 316 1 association association NOUN bracis-19077 316 2 for for ADP bracis-19077 316 3 computational computational ADJ bracis-19077 316 4 linguistics linguistic NOUN bracis-19077 316 5 , , PUNCT bracis-19077 316 6 july july PROPN bracis-19077 316 7 2019 2019 NUM bracis-19077 316 8 google google PROPN bracis-19077 316 9 scholar scholar NOUN bracis-19077 316 10     SPACE bracis-19077 316 11 huang huang PROPN bracis-19077 316 12 , , PUNCT bracis-19077 316 13 b. b. PROPN bracis-19077 316 14 , , PUNCT bracis-19077 316 15 carley carley PROPN bracis-19077 316 16 , , PUNCT bracis-19077 316 17 k. k. PROPN bracis-19077 316 18 : : PUNCT bracis-19077 316 19 syntax syntax NOUN bracis-19077 316 20 - - PUNCT bracis-19077 316 21 aware aware ADJ bracis-19077 316 22 aspect aspect NOUN bracis-19077 316 23 level level NOUN bracis-19077 316 24 sentiment sentiment NOUN bracis-19077 316 25 classification classification NOUN bracis-19077 316 26 with with ADP bracis-19077 316 27 graph graph NOUN bracis-19077 316 28 attention attention NOUN bracis-19077 316 29 networks network NOUN bracis-19077 316 30 . . PUNCT bracis-19077 317 1 in in ADP bracis-19077 317 2 : : PUNCT bracis-19077 317 3 proceedings proceeding NOUN bracis-19077 317 4 of of ADP bracis-19077 317 5 the the DET bracis-19077 317 6 2019 2019 NUM bracis-19077 317 7 conference conference NOUN bracis-19077 317 8 on on ADP bracis-19077 317 9 empirical empirical ADJ bracis-19077 317 10 methods method NOUN bracis-19077 317 11 in in ADP bracis-19077 317 12 natural natural ADJ bracis-19077 317 13 language language NOUN bracis-19077 317 14 processing processing NOUN bracis-19077 317 15 , , PUNCT bracis-19077 317 16 hong hong PROPN bracis-19077 317 17 kong kong PROPN bracis-19077 317 18 , , PUNCT bracis-19077 317 19 china china PROPN bracis-19077 317 20 , , PUNCT bracis-19077 317 21 pp pp X bracis-19077 317 22 . . PUNCT bracis-19077 318 1 5469–5477 5469–5477 X bracis-19077 318 2 . . PUNCT bracis-19077 319 1 association association NOUN bracis-19077 319 2 for for ADP bracis-19077 319 3 computational computational ADJ bracis-19077 319 4 linguistics linguistic NOUN bracis-19077 319 5 , , PUNCT bracis-19077 319 6 november november PROPN bracis-19077 319 7 2019 2019 NUM bracis-19077 319 8 . . PUNCT bracis-19077 320 1 https://doi.org/10.18653/v1/d19-1549 https://doi.org/10.18653/v1/d19-1549 PROPN bracis-19077 320 2 li li PROPN bracis-19077 320 3 , , PUNCT bracis-19077 320 4 y. y. PROPN bracis-19077 320 5 , , PUNCT bracis-19077 320 6 li li PROPN bracis-19077 320 7 , , PUNCT bracis-19077 320 8 z. z. PROPN bracis-19077 320 9 , , PUNCT bracis-19077 320 10 zhang zhang PROPN bracis-19077 320 11 , , PUNCT bracis-19077 320 12 m. m. NOUN bracis-19077 320 13 , , PUNCT bracis-19077 320 14 wang wang PROPN bracis-19077 320 15 , , PUNCT bracis-19077 320 16 r. r. PROPN bracis-19077 320 17 , , PUNCT bracis-19077 320 18 li li PROPN bracis-19077 320 19 , , PUNCT bracis-19077 320 20 s. s. PROPN bracis-19077 320 21 , , PUNCT bracis-19077 320 22 si si PROPN bracis-19077 320 23 , , PUNCT bracis-19077 320 24 l. l. PROPN bracis-19077 320 25 : : PUNCT bracis-19077 320 26 self self NOUN bracis-19077 320 27 - - PUNCT bracis-19077 320 28 attentive attentive ADJ bracis-19077 320 29 biaffine biaffine NOUN bracis-19077 320 30 dependency dependency NOUN bracis-19077 320 31 parsing parsing NOUN bracis-19077 320 32 . . PUNCT bracis-19077 321 1 in in ADP bracis-19077 321 2 : : PUNCT bracis-19077 321 3 proceedings proceeding NOUN bracis-19077 321 4 of of ADP bracis-19077 321 5 the the DET bracis-19077 321 6 twenty twenty NUM bracis-19077 321 7 - - PUNCT bracis-19077 321 8 eighth eighth ADJ bracis-19077 321 9 international international ADJ bracis-19077 321 10 joint joint ADJ bracis-19077 321 11 conference conference NOUN bracis-19077 321 12 on on ADP bracis-19077 321 13 artificial artificial ADJ bracis-19077 321 14 intelligence intelligence NOUN bracis-19077 321 15 , , PUNCT bracis-19077 321 16 ijcai ijcai NOUN bracis-19077 321 17 , , PUNCT bracis-19077 321 18 pp pp ADJ bracis-19077 321 19 . . PUNCT bracis-19077 321 20 5067–5073 5067–5073 NUM bracis-19077 321 21 . . PUNCT bracis-19077 322 1 ijcai.org ijcai.org X bracis-19077 322 2 ( ( PUNCT bracis-19077 322 3 2019 2019 NUM bracis-19077 322 4 ) ) PUNCT bracis-19077 322 5 . . PUNCT bracis-19077 323 1 https://doi.org/10.24963/ijcai.2019/704 https://doi.org/10.24963/ijcai.2019/704 PROPN bracis-19077 323 2 li li PROPN bracis-19077 323 3 , , PUNCT bracis-19077 323 4 z. z. PROPN bracis-19077 323 5 , , PUNCT bracis-19077 323 6 et et PROPN bracis-19077 323 7 al al PROPN bracis-19077 323 8 . . PROPN bracis-19077 323 9 : : PUNCT bracis-19077 323 10 dependency dependency NOUN bracis-19077 323 11 or or CCONJ bracis-19077 323 12 span span NOUN bracis-19077 323 13 , , PUNCT bracis-19077 323 14 end end NOUN bracis-19077 323 15 - - PUNCT bracis-19077 323 16 to to ADP bracis-19077 323 17 - - PUNCT bracis-19077 323 18 end end NOUN bracis-19077 323 19 uniform uniform ADJ bracis-19077 323 20 semantic semantic ADJ bracis-19077 323 21 role role NOUN bracis-19077 323 22 labeling labeling NOUN bracis-19077 323 23 . . PUNCT bracis-19077 324 1 in in ADP bracis-19077 324 2 : : PUNCT bracis-19077 324 3 proceedings proceeding NOUN bracis-19077 324 4 of of ADP bracis-19077 324 5 the the DET bracis-19077 324 6 aaai aaai PROPN bracis-19077 324 7 conference conference NOUN bracis-19077 324 8 on on ADP bracis-19077 324 9 artificial artificial ADJ bracis-19077 324 10 intelligence intelligence NOUN bracis-19077 324 11 , , PUNCT bracis-19077 324 12 vol vol NOUN bracis-19077 324 13 . . PROPN bracis-19077 325 1 33 33 NUM bracis-19077 325 2 , , PUNCT bracis-19077 325 3 no no INTJ bracis-19077 325 4 . . NOUN bracis-19077 325 5 01 01 NUM bracis-19077 325 6 , , PUNCT bracis-19077 325 7 pp pp ADJ bracis-19077 325 8 . . PUNCT bracis-19077 326 1 6730–6737 6730–6737 NUM bracis-19077 326 2 ( ( PUNCT bracis-19077 326 3 2019 2019 NUM bracis-19077 326 4 ) ) PUNCT bracis-19077 326 5 . . PUNCT bracis-19077 327 1 https://doi.org/10.1609/aaai.v33i01.33016730 https://doi.org/10.1609/aaai.v33i01.33016730 PROPN bracis-19077 327 2 liu liu PROPN bracis-19077 327 3 , , PUNCT bracis-19077 327 4 b. b. PROPN bracis-19077 327 5 : : PUNCT bracis-19077 327 6 sentiment sentiment NOUN bracis-19077 327 7 analysis analysis NOUN bracis-19077 327 8 and and CCONJ bracis-19077 327 9 opinion opinion NOUN bracis-19077 327 10 mining mining NOUN bracis-19077 327 11 . . PUNCT bracis-19077 328 1 synthesis synthesis NOUN bracis-19077 328 2 lect lect NOUN bracis-19077 328 3 . . PUNCT bracis-19077 329 1 hum hum PROPN bracis-19077 329 2 . . PUNCT bracis-19077 330 1 lang lang PROPN bracis-19077 330 2 . . PUNCT bracis-19077 331 1 technol technol PROPN bracis-19077 331 2 . . PROPN bracis-19077 332 1 5(1 5(1 NUM bracis-19077 332 2 ) ) PUNCT bracis-19077 333 1 , , PUNCT bracis-19077 333 2 1–167 1–167 NUM bracis-19077 333 3 ( ( PUNCT bracis-19077 333 4 2012 2012 NUM bracis-19077 333 5 ) ) PUNCT bracis-19077 333 6 article article NOUN bracis-19077 333 7     SPACE bracis-19077 333 8 google google PROPN bracis-19077 333 9 scholar scholar NOUN bracis-19077 333 10     SPACE bracis-19077 333 11 lu lu PROPN bracis-19077 333 12 , , PUNCT bracis-19077 333 13 z. z. PROPN bracis-19077 333 14 , , PUNCT bracis-19077 333 15 du du PROPN bracis-19077 333 16 , , PUNCT bracis-19077 333 17 p. p. PROPN bracis-19077 333 18 , , PUNCT bracis-19077 333 19 nie nie PROPN bracis-19077 333 20 , , PUNCT bracis-19077 333 21 j.-y j.-y PROPN bracis-19077 333 22 . . PUNCT bracis-19077 333 23 , , PUNCT bracis-19077 333 24 et et PROPN bracis-19077 333 25 al al PROPN bracis-19077 333 26 . . PUNCT bracis-19077 333 27 : : PUNCT bracis-19077 334 1 vgcn vgcn ADJ bracis-19077 334 2 - - PUNCT bracis-19077 334 3 bert bert PROPN bracis-19077 334 4 : : PUNCT bracis-19077 334 5 augmenting augment VERB bracis-19077 334 6 bert bert NOUN bracis-19077 334 7 with with ADP bracis-19077 334 8 graph graph NOUN bracis-19077 334 9 embedding embed VERB bracis-19077 334 10 for for ADP bracis-19077 334 11 text text NOUN bracis-19077 334 12 classification classification NOUN bracis-19077 334 13 . . PUNCT bracis-19077 335 1 in in ADP bracis-19077 335 2 : : PUNCT bracis-19077 335 3 jose jose PROPN bracis-19077 335 4 , , PUNCT bracis-19077 335 5 j.m j.m PROPN bracis-19077 335 6 . . PUNCT bracis-19077 335 7 ( ( PUNCT bracis-19077 335 8 ed ed NOUN bracis-19077 335 9 . . PUNCT bracis-19077 335 10 ) ) PUNCT bracis-19077 336 1 ecir ecir PROPN bracis-19077 336 2 2020 2020 NUM bracis-19077 336 3 . . PUNCT bracis-19077 337 1 lncs lncs PROPN bracis-19077 337 2 , , PUNCT bracis-19077 337 3 vol vol NOUN bracis-19077 337 4 . . PROPN bracis-19077 337 5 12035 12035 NUM bracis-19077 337 6 , , PUNCT bracis-19077 337 7 pp pp ADJ bracis-19077 337 8 . . PUNCT bracis-19077 338 1 369–382 369–382 NUM bracis-19077 338 2 . . PUNCT bracis-19077 338 3 springer springer NOUN bracis-19077 338 4 , , PUNCT bracis-19077 338 5 cham cham PROPN bracis-19077 338 6 ( ( PUNCT bracis-19077 338 7 2020 2020 NUM bracis-19077 338 8 ) ) PUNCT bracis-19077 338 9 . . PUNCT bracis-19077 339 1 https://doi.org/10.1007/978-3-030-45439-5_25 https://doi.org/10.1007/978-3-030-45439-5_25 PROPN bracis-19077 339 2 chapter chapter NOUN bracis-19077 339 3     SPACE bracis-19077 339 4 google google PROPN bracis-19077 339 5 scholar scholar NOUN bracis-19077 339 6     SPACE bracis-19077 339 7 machado machado PROPN bracis-19077 339 8 , , PUNCT bracis-19077 339 9 m.t m.t PROPN bracis-19077 339 10 . . PROPN bracis-19077 339 11 , , PUNCT bracis-19077 339 12 pardo pardo PROPN bracis-19077 339 13 , , PUNCT bracis-19077 339 14 t.a.s t.a.s PROPN bracis-19077 339 15 . . PROPN bracis-19077 339 16 , , PUNCT bracis-19077 339 17 ruiz ruiz NOUN bracis-19077 339 18 , , PUNCT bracis-19077 339 19 e.e.s e.e.s ADJ bracis-19077 339 20 . . PUNCT bracis-19077 339 21 : : PUNCT bracis-19077 340 1 analysis analysis NOUN bracis-19077 340 2 of of ADP bracis-19077 340 3 unsupervised unsupervised ADJ bracis-19077 340 4 aspect aspect NOUN bracis-19077 340 5 term term NOUN bracis-19077 340 6 identification identification NOUN bracis-19077 340 7 methods method NOUN bracis-19077 340 8 for for ADP bracis-19077 340 9 portuguese portuguese ADJ bracis-19077 340 10 reviews review NOUN bracis-19077 340 11 . . PUNCT bracis-19077 341 1 in in ADP bracis-19077 341 2 : : PUNCT bracis-19077 341 3 anais anais PROPN bracis-19077 341 4 do do AUX bracis-19077 341 5 xiv xiv PROPN bracis-19077 341 6 encontro encontro VERB bracis-19077 341 7 nacional nacional PROPN bracis-19077 341 8 de de X bracis-19077 341 9 inteligncia inteligncia PROPN bracis-19077 341 10 artificial artificial PROPN bracis-19077 341 11 e e X bracis-19077 341 12 computacional computacional X bracis-19077 341 13 ( ( PUNCT bracis-19077 341 14 eniac eniac PROPN bracis-19077 341 15 ) ) PUNCT bracis-19077 341 16 , , PUNCT bracis-19077 341 17 sbc sbc NOUN bracis-19077 341 18 , , PUNCT bracis-19077 341 19 pp pp ADJ bracis-19077 341 20 . . PUNCT bracis-19077 342 1 239–249 239–249 NUM bracis-19077 342 2 ( ( PUNCT bracis-19077 342 3 2017 2017 NUM bracis-19077 342 4 ) ) PUNCT bracis-19077 342 5 google google PROPN bracis-19077 342 6 scholar scholar NOUN bracis-19077 342 7     SPACE bracis-19077 342 8 peng peng PROPN bracis-19077 342 9 , , PUNCT bracis-19077 342 10 h. h. PROPN bracis-19077 342 11 , , PUNCT bracis-19077 342 12 xu xu PROPN bracis-19077 342 13 , , PUNCT bracis-19077 342 14 l. l. PROPN bracis-19077 342 15 , , PUNCT bracis-19077 342 16 bing bing PROPN bracis-19077 342 17 , , PUNCT bracis-19077 342 18 l. l. PROPN bracis-19077 342 19 , , PUNCT bracis-19077 342 20 huang huang PROPN bracis-19077 342 21 , , PUNCT bracis-19077 342 22 f. f. PROPN bracis-19077 342 23 , , PUNCT bracis-19077 342 24 lu lu PROPN bracis-19077 342 25 , , PUNCT bracis-19077 342 26 w. w. PROPN bracis-19077 342 27 , , PUNCT bracis-19077 342 28 si si PROPN bracis-19077 342 29 , , PUNCT bracis-19077 342 30 l. l. PROPN bracis-19077 342 31 : : PUNCT bracis-19077 342 32 knowing know VERB bracis-19077 342 33 what what PRON bracis-19077 342 34 , , PUNCT bracis-19077 342 35 how how SCONJ bracis-19077 342 36 and and CCONJ bracis-19077 342 37 why why SCONJ bracis-19077 342 38 : : PUNCT bracis-19077 342 39 a a DET bracis-19077 342 40 near near ADJ bracis-19077 342 41 complete complete ADJ bracis-19077 342 42 solution solution NOUN bracis-19077 342 43 for for ADP bracis-19077 342 44 aspect aspect NOUN bracis-19077 342 45 - - PUNCT bracis-19077 342 46 based base VERB bracis-19077 342 47 sentiment sentiment NOUN bracis-19077 342 48 analysis analysis NOUN bracis-19077 342 49 . . PUNCT bracis-19077 343 1 in in ADP bracis-19077 343 2 : : PUNCT bracis-19077 343 3 proceedings proceeding NOUN bracis-19077 343 4 of of ADP bracis-19077 343 5 the the DET bracis-19077 343 6 aaai aaai PROPN bracis-19077 343 7 conference conference NOUN bracis-19077 343 8 on on ADP bracis-19077 343 9 artificial artificial ADJ bracis-19077 343 10 intelligence intelligence NOUN bracis-19077 343 11 , , PUNCT bracis-19077 343 12 vol vol NOUN bracis-19077 343 13 . . PROPN bracis-19077 344 1 34 34 NUM bracis-19077 344 2 , , PUNCT bracis-19077 344 3 no no INTJ bracis-19077 344 4 . . NOUN bracis-19077 345 1 05 05 NUM bracis-19077 345 2 , , PUNCT bracis-19077 346 1 pp pp PROPN bracis-19077 346 2 . . PUNCT bracis-19077 347 1 8600–8607 8600–8607 NUM bracis-19077 347 2 ( ( PUNCT bracis-19077 347 3 2020 2020 NUM bracis-19077 347 4 ) ) PUNCT bracis-19077 347 5 . . PUNCT bracis-19077 348 1 https://doi.org/10.1609/aaai.v34i05.6383 https://doi.org/10.1609/aaai.v34i05.6383 PROPN bracis-19077 348 2 pereira pereira PROPN bracis-19077 348 3 , , PUNCT bracis-19077 348 4 d.a d.a PROPN bracis-19077 348 5 . . PROPN bracis-19077 348 6 : : PUNCT bracis-19077 348 7 a a DET bracis-19077 348 8 survey survey NOUN bracis-19077 348 9 of of ADP bracis-19077 348 10 sentiment sentiment NOUN bracis-19077 348 11 analysis analysis NOUN bracis-19077 348 12 in in ADP bracis-19077 348 13 the the DET bracis-19077 348 14 portuguese portuguese ADJ bracis-19077 348 15 language language NOUN bracis-19077 348 16 . . PUNCT bracis-19077 349 1 artif artif INTJ bracis-19077 349 2 . . PUNCT bracis-19077 350 1 intell intell PROPN bracis-19077 350 2 . . PUNCT bracis-19077 351 1 rev rev PROPN bracis-19077 351 2 . . PROPN bracis-19077 351 3 54(2 54(2 NUM bracis-19077 351 4 ) ) PUNCT bracis-19077 351 5 , , PUNCT bracis-19077 351 6 1087–1115 1087–1115 NUM bracis-19077 351 7 ( ( PUNCT bracis-19077 351 8 2020 2020 NUM bracis-19077 351 9 ) ) PUNCT bracis-19077 351 10 . . PUNCT bracis-19077 352 1 https://doi.org/10.1007/s10462-020-09870-1 https://doi.org/10.1007/s10462-020-09870-1 PROPN bracis-19077 352 2 article article NOUN bracis-19077 352 3     SPACE bracis-19077 352 4 google google PROPN bracis-19077 352 5 scholar scholar NOUN bracis-19077 352 6     SPACE bracis-19077 352 7 saias saia NOUN bracis-19077 352 8 , , PUNCT bracis-19077 352 9 j. j. PROPN bracis-19077 352 10 , , PUNCT bracis-19077 352 11 mourão mourão PROPN bracis-19077 352 12 , , PUNCT bracis-19077 352 13 m. m. NOUN bracis-19077 352 14 , , PUNCT bracis-19077 352 15 oliveira oliveira PROPN bracis-19077 352 16 , , PUNCT bracis-19077 352 17 e. e. PROPN bracis-19077 352 18 : : PUNCT bracis-19077 352 19 detailing detail VERB bracis-19077 352 20 sentiment sentiment NOUN bracis-19077 352 21 analysis analysis NOUN bracis-19077 352 22 to to PART bracis-19077 352 23 consider consider VERB bracis-19077 352 24 entity entity NOUN bracis-19077 352 25 aspects aspect NOUN bracis-19077 352 26 : : PUNCT bracis-19077 352 27 an an DET bracis-19077 352 28 approach approach NOUN bracis-19077 352 29 for for ADP bracis-19077 352 30 portuguese portuguese ADJ bracis-19077 352 31 short short ADJ bracis-19077 352 32 texts text NOUN bracis-19077 352 33 . . PUNCT bracis-19077 353 1 trans trans PROPN bracis-19077 353 2 . . PUNCT bracis-19077 354 1 mach mach PROPN bracis-19077 354 2 . . PUNCT bracis-19077 355 1 learn learn VERB bracis-19077 355 2 . . PUNCT bracis-19077 356 1 artif artif INTJ bracis-19077 356 2 . . PUNCT bracis-19077 357 1 intell intell PROPN bracis-19077 357 2 . . PUNCT bracis-19077 358 1 6 6 NUM bracis-19077 358 2 , , PUNCT bracis-19077 358 3 26–35 26–35 NUM bracis-19077 358 4 ( ( PUNCT bracis-19077 358 5 2018 2018 NUM bracis-19077 358 6 ) ) PUNCT bracis-19077 358 7 google google PROPN bracis-19077 358 8 scholar scholar NOUN bracis-19077 358 9     SPACE bracis-19077 358 10 souza souza PROPN bracis-19077 358 11 , , PUNCT bracis-19077 358 12 f. f. PROPN bracis-19077 358 13 , , PUNCT bracis-19077 358 14 nogueira nogueira PROPN bracis-19077 358 15 , , PUNCT bracis-19077 358 16 r. r. PROPN bracis-19077 358 17 , , PUNCT bracis-19077 358 18 lotufo lotufo PROPN bracis-19077 358 19 , , PUNCT bracis-19077 358 20 r. r. PROPN bracis-19077 358 21 : : PUNCT bracis-19077 358 22 bertimbau bertimbau PROPN bracis-19077 358 23 : : PUNCT bracis-19077 358 24 pretrained pretraine VERB bracis-19077 358 25 bert bert NOUN bracis-19077 358 26 models model NOUN bracis-19077 358 27 for for ADP bracis-19077 358 28 brazilian brazilian ADJ bracis-19077 358 29 portuguese portuguese NOUN bracis-19077 358 30 . . PUNCT bracis-19077 359 1 in in ADP bracis-19077 359 2 : : PUNCT bracis-19077 359 3 cerri cerri PROPN bracis-19077 359 4 , , PUNCT bracis-19077 359 5 r. r. PROPN bracis-19077 359 6 , , PUNCT bracis-19077 359 7 prati prati PROPN bracis-19077 359 8 , , PUNCT bracis-19077 359 9 r.c r.c PROPN bracis-19077 359 10 . . PROPN bracis-19077 359 11 ( ( PUNCT bracis-19077 359 12 eds ed NOUN bracis-19077 359 13 . . PUNCT bracis-19077 359 14 ) ) PUNCT bracis-19077 359 15 bracis bracis PROPN bracis-19077 359 16 2020 2020 NUM bracis-19077 359 17 . . PUNCT bracis-19077 360 1 lncs lncs PROPN bracis-19077 360 2 ( ( PUNCT bracis-19077 360 3 lnai lnai ADJ bracis-19077 360 4 ) ) PUNCT bracis-19077 360 5 , , PUNCT bracis-19077 360 6 vol vol NOUN bracis-19077 360 7 . . PUNCT bracis-19077 360 8 12319 12319 NUM bracis-19077 360 9 , , PUNCT bracis-19077 360 10 pp pp ADP bracis-19077 360 11 . . PUNCT bracis-19077 361 1 403–417 403–417 NUM bracis-19077 361 2 . . PUNCT bracis-19077 361 3 springer springer NOUN bracis-19077 361 4 , , PUNCT bracis-19077 361 5 cham cham PROPN bracis-19077 361 6 ( ( PUNCT bracis-19077 361 7 2020 2020 NUM bracis-19077 361 8 ) ) PUNCT bracis-19077 361 9 . . PUNCT bracis-19077 362 1 https://doi.org/10.1007/978-3-030-61377-8_28 https://doi.org/10.1007/978-3-030-61377-8_28 PROPN bracis-19077 362 2 chapter chapter NOUN bracis-19077 362 3     SPACE bracis-19077 362 4 google google PROPN bracis-19077 362 5 scholar scholar NOUN bracis-19077 362 6     SPACE bracis-19077 362 7 vargas vargas NOUN bracis-19077 362 8 , , PUNCT bracis-19077 362 9 f.a f.a PROPN bracis-19077 362 10 . . PROPN bracis-19077 362 11 , , PUNCT bracis-19077 362 12 pardo pardo PROPN bracis-19077 362 13 , , PUNCT bracis-19077 362 14 t.a.s t.a.s PROPN bracis-19077 362 15 . . PUNCT bracis-19077 362 16 : : PUNCT bracis-19077 362 17 hierarchical hierarchical ADJ bracis-19077 362 18 clustering clustering NOUN bracis-19077 362 19 of of ADP bracis-19077 362 20 aspects aspect NOUN bracis-19077 362 21 for for ADP bracis-19077 362 22 opinion opinion NOUN bracis-19077 362 23 mining mining NOUN bracis-19077 362 24 : : PUNCT bracis-19077 362 25 a a DET bracis-19077 362 26 corpus corpus NOUN bracis-19077 362 27 study study NOUN bracis-19077 362 28 . . PUNCT bracis-19077 363 1 in in ADP bracis-19077 363 2 : : PUNCT bracis-19077 363 3 finatto finatto ADJ bracis-19077 363 4 , , PUNCT bracis-19077 363 5 m.j.b m.j.b NOUN bracis-19077 363 6 . . PUNCT bracis-19077 363 7 , , PUNCT bracis-19077 363 8 rebechi rebechi PROPN bracis-19077 363 9 , , PUNCT bracis-19077 363 10 r.r r.r PROPN bracis-19077 363 11 . . PROPN bracis-19077 363 12 , , PUNCT bracis-19077 363 13 sarmento sarmento PROPN bracis-19077 363 14 , , PUNCT bracis-19077 363 15 s. s. PROPN bracis-19077 363 16 , , PUNCT bracis-19077 363 17 bocorny bocorny NOUN bracis-19077 363 18 , , PUNCT bracis-19077 363 19 a.e.p a.e.p PROPN bracis-19077 363 20 . . PUNCT bracis-19077 364 1 ( ( PUNCT bracis-19077 364 2 eds ed NOUN bracis-19077 364 3 . . PUNCT bracis-19077 364 4 ) ) PUNCT bracis-19077 365 1 linguística linguística PROPN bracis-19077 365 2 de de PROPN bracis-19077 365 3 corpus corpus PROPN bracis-19077 365 4 : : PUNCT bracis-19077 365 5 perspectivas perspectivas PROPN bracis-19077 365 6 , , PUNCT bracis-19077 365 7 pp pp X bracis-19077 365 8 . . PUNCT bracis-19077 366 1 69–91 69–91 NUM bracis-19077 366 2 ( ( PUNCT bracis-19077 366 3 2018 2018 NUM bracis-19077 366 4 ) ) PUNCT bracis-19077 366 5 google google PROPN bracis-19077 366 6 scholar scholar NOUN bracis-19077 366 7     SPACE bracis-19077 366 8 wang wang PROPN bracis-19077 366 9 , , PUNCT bracis-19077 366 10 w. w. PROPN bracis-19077 366 11 , , PUNCT bracis-19077 366 12 pan pan PROPN bracis-19077 366 13 , , PUNCT bracis-19077 366 14 s.j s.j PROPN bracis-19077 366 15 . . PROPN bracis-19077 366 16 , , PUNCT bracis-19077 366 17 dahlmeier dahlmei ADJ bracis-19077 366 18 , , PUNCT bracis-19077 366 19 d. d. PROPN bracis-19077 366 20 , , PUNCT bracis-19077 366 21 xiao xiao PROPN bracis-19077 366 22 , , PUNCT bracis-19077 366 23 x. x. NOUN bracis-19077 366 24 : : PUNCT bracis-19077 366 25 coupled couple VERB bracis-19077 366 26 multi multi ADJ bracis-19077 366 27 - - ADJ bracis-19077 366 28 layer layer ADJ bracis-19077 366 29 attentions attention NOUN bracis-19077 366 30 for for ADP bracis-19077 366 31 co co NOUN bracis-19077 366 32 - - NOUN bracis-19077 366 33 extraction extraction NOUN bracis-19077 366 34 of of ADP bracis-19077 366 35 aspect aspect NOUN bracis-19077 366 36 and and CCONJ bracis-19077 366 37 opinion opinion NOUN bracis-19077 366 38 terms term NOUN bracis-19077 366 39 . . PUNCT bracis-19077 367 1 in in ADP bracis-19077 367 2 : : PUNCT bracis-19077 367 3 proceedings proceeding NOUN bracis-19077 367 4 of of ADP bracis-19077 367 5 the the DET bracis-19077 367 6 aaai aaai PROPN bracis-19077 367 7 conference conference NOUN bracis-19077 367 8 on on ADP bracis-19077 367 9 artificial artificial ADJ bracis-19077 367 10 intelligence intelligence NOUN bracis-19077 367 11 , , PUNCT bracis-19077 367 12 vol vol NOUN bracis-19077 367 13 . . PROPN bracis-19077 367 14 31 31 NUM bracis-19077 367 15 ( ( PUNCT bracis-19077 367 16 2017 2017 NUM bracis-19077 367 17 ) ) PUNCT bracis-19077 367 18 google google PROPN bracis-19077 367 19 scholar scholar NOUN bracis-19077 367 20     SPACE bracis-19077 367 21 wu wu PROPN bracis-19077 367 22 , , PUNCT bracis-19077 367 23 z. z. PROPN bracis-19077 367 24 , , PUNCT bracis-19077 367 25 ying ying PROPN bracis-19077 367 26 , , PUNCT bracis-19077 367 27 c. c. PROPN bracis-19077 367 28 , , PUNCT bracis-19077 367 29 zhao zhao PROPN bracis-19077 367 30 , , PUNCT bracis-19077 367 31 f. f. PROPN bracis-19077 367 32 , , PUNCT bracis-19077 367 33 fan fan PROPN bracis-19077 367 34 , , PUNCT bracis-19077 367 35 z. z. PROPN bracis-19077 367 36 , , PUNCT bracis-19077 367 37 dai dai PROPN bracis-19077 367 38 , , PUNCT bracis-19077 367 39 x. x. PROPN bracis-19077 367 40 , , PUNCT bracis-19077 367 41 xia xia PROPN bracis-19077 367 42 , , PUNCT bracis-19077 367 43 r. r. PROPN bracis-19077 367 44 : : PUNCT bracis-19077 367 45 grid grid NOUN bracis-19077 367 46 tagging tagging NOUN bracis-19077 367 47 scheme scheme NOUN bracis-19077 367 48 for for ADP bracis-19077 367 49 aspect aspect NOUN bracis-19077 367 50 - - PUNCT bracis-19077 367 51 oriented orient VERB bracis-19077 367 52 fine fine ADV bracis-19077 367 53 - - PUNCT bracis-19077 367 54 grained grain VERB bracis-19077 367 55 opinion opinion NOUN bracis-19077 367 56 extraction extraction NOUN bracis-19077 367 57 . . PUNCT bracis-19077 368 1 in in ADP bracis-19077 368 2 : : PUNCT bracis-19077 368 3 findings finding NOUN bracis-19077 368 4 of of ADP bracis-19077 368 5 the the DET bracis-19077 368 6 association association NOUN bracis-19077 368 7 for for ADP bracis-19077 368 8 computational computational ADJ bracis-19077 368 9 linguistics linguistic NOUN bracis-19077 368 10 , , PUNCT bracis-19077 368 11 pp pp X bracis-19077 368 12 . . PUNCT bracis-19077 368 13 2576–2585 2576–2585 NUM bracis-19077 368 14 . . PUNCT bracis-19077 368 15 association association NOUN bracis-19077 368 16 for for ADP bracis-19077 368 17 computational computational ADJ bracis-19077 368 18 linguistics linguistic NOUN bracis-19077 368 19 , , PUNCT bracis-19077 368 20 november november PROPN bracis-19077 368 21 2020 2020 NUM bracis-19077 368 22 . . PUNCT bracis-19077 369 1 https://doi.org/10.18653/v1/2020.findings-emnlp.234 https://doi.org/10.18653/v1/2020.findings-emnlp.234 PROPN bracis-19077 369 2 xu xu PROPN bracis-19077 369 3 , , PUNCT bracis-19077 369 4 l. l. PROPN bracis-19077 369 5 , , PUNCT bracis-19077 369 6 bing bing PROPN bracis-19077 369 7 , , PUNCT bracis-19077 369 8 l. l. PROPN bracis-19077 369 9 , , PUNCT bracis-19077 369 10 lu lu PROPN bracis-19077 369 11 , , PUNCT bracis-19077 369 12 w. w. PROPN bracis-19077 369 13 , , PUNCT bracis-19077 369 14 huang huang PROPN bracis-19077 369 15 , , PUNCT bracis-19077 369 16 f. f. PROPN bracis-19077 369 17 : : PUNCT bracis-19077 369 18 aspect aspect NOUN bracis-19077 369 19 sentiment sentiment NOUN bracis-19077 369 20 classification classification NOUN bracis-19077 369 21 with with ADP bracis-19077 369 22 aspect aspect NOUN bracis-19077 369 23 - - PUNCT bracis-19077 369 24 specific specific ADJ bracis-19077 369 25 opinion opinion NOUN bracis-19077 369 26 spans span NOUN bracis-19077 369 27 . . PUNCT bracis-19077 370 1 in in ADP bracis-19077 370 2 : : PUNCT bracis-19077 370 3 proceedings proceeding NOUN bracis-19077 370 4 of of ADP bracis-19077 370 5 the the DET bracis-19077 370 6 2020 2020 NUM bracis-19077 370 7 conference conference NOUN bracis-19077 370 8 on on ADP bracis-19077 370 9 empirical empirical ADJ bracis-19077 370 10 methods method NOUN bracis-19077 370 11 in in ADP bracis-19077 370 12 natural natural ADJ bracis-19077 370 13 language language NOUN bracis-19077 370 14 processing processing NOUN bracis-19077 370 15 ( ( PUNCT bracis-19077 370 16 emnlp emnlp ADJ bracis-19077 370 17 ) ) PUNCT bracis-19077 370 18 , , PUNCT bracis-19077 370 19 pp pp ADJ bracis-19077 370 20 . . PUNCT bracis-19077 371 1 3561–3567 3561–3567 NUM bracis-19077 371 2 . . PUNCT bracis-19077 372 1 association association NOUN bracis-19077 372 2 for for ADP bracis-19077 372 3 computational computational ADJ bracis-19077 372 4 linguistics linguistic NOUN bracis-19077 372 5 , , PUNCT bracis-19077 372 6 november november PROPN bracis-19077 372 7 2020 2020 NUM bracis-19077 372 8 . . PUNCT bracis-19077 373 1 https://doi.org/10.18653/v1/2020.emnlp-main.288 https://doi.org/10.18653/v1/2020.emnlp-main.288 PROPN bracis-19077 373 2 zhang zhang PROPN bracis-19077 373 3 , , PUNCT bracis-19077 373 4 c. c. PROPN bracis-19077 373 5 , , PUNCT bracis-19077 373 6 li li PROPN bracis-19077 373 7 , , PUNCT bracis-19077 373 8 q. q. PROPN bracis-19077 373 9 , , PUNCT bracis-19077 373 10 song song NOUN bracis-19077 373 11 , , PUNCT bracis-19077 373 12 d. d. PROPN bracis-19077 373 13 , , PUNCT bracis-19077 373 14 wang wang PROPN bracis-19077 373 15 , , PUNCT bracis-19077 373 16 b. b. PROPN bracis-19077 373 17 : : PUNCT bracis-19077 373 18 a a DET bracis-19077 373 19 multi multi ADJ bracis-19077 373 20 - - ADJ bracis-19077 373 21 task task ADJ bracis-19077 373 22 learning learn VERB bracis-19077 373 23 framework framework NOUN bracis-19077 373 24 for for ADP bracis-19077 373 25 opinion opinion NOUN bracis-19077 373 26 triplet triplet NOUN bracis-19077 373 27 extraction extraction NOUN bracis-19077 373 28 . . PUNCT bracis-19077 374 1 in in ADP bracis-19077 374 2 : : PUNCT bracis-19077 374 3 findings finding NOUN bracis-19077 374 4 of of ADP bracis-19077 374 5 the the DET bracis-19077 374 6 association association NOUN bracis-19077 374 7 for for ADP bracis-19077 374 8 computational computational ADJ bracis-19077 374 9 linguistics linguistic NOUN bracis-19077 374 10 , , PUNCT bracis-19077 374 11 pp pp ADJ bracis-19077 374 12 . . PUNCT bracis-19077 375 1 819–828 819–828 NUM bracis-19077 375 2 . . PUNCT bracis-19077 376 1 association association NOUN bracis-19077 376 2 for for ADP bracis-19077 376 3 computational computational ADJ bracis-19077 376 4 linguistics linguistic NOUN bracis-19077 376 5 , , PUNCT bracis-19077 376 6 november november PROPN bracis-19077 376 7 2020 2020 NUM bracis-19077 376 8 . . PUNCT bracis-19077 377 1 https://doi.org/10.18653/v1/2020.findings-emnlp.72 https://doi.org/10.18653/v1/2020.findings-emnlp.72 PROPN bracis-19077 377 2 download download NOUN bracis-19077 377 3 references reference NOUN bracis-19077 377 4 acknowledgments acknowledgment NOUN bracis-19077 377 5 this this DET bracis-19077 377 6 work work NOUN bracis-19077 377 7 was be AUX bracis-19077 377 8 supported support VERB bracis-19077 377 9 by by ADP bracis-19077 377 10 capes cape NOUN bracis-19077 377 11 and and CCONJ bracis-19077 377 12 ministerio ministerio PROPN bracis-19077 377 13 de de PROPN bracis-19077 377 14 ciencia ciencia PROPN bracis-19077 377 15 from from ADP bracis-19077 377 16 colombia colombia PROPN bracis-19077 377 17 . . PUNCT bracis-19077 378 1 author author NOUN bracis-19077 378 2 information information NOUN bracis-19077 378 3 authors author NOUN bracis-19077 378 4 and and CCONJ bracis-19077 378 5 affiliations affiliation NOUN bracis-19077 378 6 universidade universidade PROPN bracis-19077 378 7 de de PROPN bracis-19077 378 8 são são PROPN bracis-19077 378 9 paulo paulo PROPN bracis-19077 378 10 , , PUNCT bracis-19077 378 11 são são PROPN bracis-19077 378 12 paulo paulo PROPN bracis-19077 378 13 , , PUNCT bracis-19077 378 14 sp sp NOUN bracis-19077 378 15 , , PUNCT bracis-19077 378 16 05508 05508 NUM bracis-19077 378 17 - - SYM bracis-19077 378 18 010 010 NUM bracis-19077 378 19 , , PUNCT bracis-19077 378 20 brazil brazil PROPN bracis-19077 378 21 josé josé PROPN bracis-19077 378 22 meléndez meléndez PROPN bracis-19077 378 23 barros barros PROPN bracis-19077 378 24     SPACE bracis-19077 378 25 & & CCONJ bracis-19077 378 26     SPACE bracis-19077 378 27 glauber glauber PROPN bracis-19077 378 28 de de PROPN bracis-19077 378 29 bona bona PROPN bracis-19077 378 30 authors authors PROPN bracis-19077 378 31 josé josé PROPN bracis-19077 378 32 meléndez meléndez PROPN bracis-19077 378 33 barrosview barrosview PROPN bracis-19077 378 34 author author NOUN bracis-19077 378 35 publications publication VERB bracis-19077 378 36 search search NOUN bracis-19077 378 37 author author NOUN bracis-19077 378 38 on on ADP bracis-19077 378 39 : : PUNCT bracis-19077 378 40 pubmed pubmed PROPN bracis-19077 378 41     SPACE bracis-19077 378 42 google google PROPN bracis-19077 378 43 scholar scholar NOUN bracis-19077 378 44 glauber glauber PROPN bracis-19077 378 45 de de PROPN bracis-19077 378 46 bonaview bonaview NOUN bracis-19077 378 47 author author NOUN bracis-19077 378 48 publications publication NOUN bracis-19077 378 49 search search NOUN bracis-19077 378 50 author author NOUN bracis-19077 378 51 on on ADP bracis-19077 378 52 : : PUNCT bracis-19077 378 53 pubmed pubmed PROPN bracis-19077 378 54     SPACE bracis-19077 378 55 google google PROPN bracis-19077 378 56 scholar scholar NOUN bracis-19077 378 57 corresponding correspond VERB bracis-19077 378 58 author author NOUN bracis-19077 378 59 correspondence correspondence NOUN bracis-19077 378 60 to to ADP bracis-19077 378 61 josé josé PROPN bracis-19077 378 62 meléndez meléndez PROPN bracis-19077 378 63 barros barros PROPN bracis-19077 378 64 . . PUNCT bracis-19077 379 1 editor editor NOUN bracis-19077 379 2 information information NOUN bracis-19077 379 3 editors editor NOUN bracis-19077 379 4 and and CCONJ bracis-19077 379 5 affiliations affiliation NOUN bracis-19077 379 6 universidade universidade PROPN bracis-19077 379 7 federal federal PROPN bracis-19077 379 8 de de X bracis-19077 379 9 sergipe sergipe PROPN bracis-19077 379 10 , , PUNCT bracis-19077 379 11 são são NOUN bracis-19077 379 12 cristóvão cristóvão PROPN bracis-19077 379 13 , , PUNCT bracis-19077 379 14 brazil brazil PROPN bracis-19077 379 15 andré andré PROPN bracis-19077 379 16 britto britto PROPN bracis-19077 379 17 universidade universidade PROPN bracis-19077 379 18 de de PROPN bracis-19077 379 19 são são PROPN bracis-19077 379 20 paulo paulo PROPN bracis-19077 379 21 , , PUNCT bracis-19077 379 22 são são PROPN bracis-19077 379 23 paulo paulo PROPN bracis-19077 379 24 , , PUNCT bracis-19077 379 25 brazil brazil PROPN bracis-19077 379 26 karina karina PROPN bracis-19077 379 27 valdivia valdivia PROPN bracis-19077 379 28 delgado delgado VERB bracis-19077 379 29 rights right NOUN bracis-19077 379 30 and and CCONJ bracis-19077 379 31 permissions permission NOUN bracis-19077 379 32 reprints reprint NOUN bracis-19077 379 33 and and CCONJ bracis-19077 379 34 permissions permission VERB bracis-19077 379 35 copyright copyright NOUN bracis-19077 379 36 information information NOUN bracis-19077 379 37 © © PROPN bracis-19077 379 38 2021 2021 NUM bracis-19077 379 39 springer springer NOUN bracis-19077 379 40 nature nature NOUN bracis-19077 379 41 switzerland switzerland PROPN bracis-19077 379 42 ag ag PROPN bracis-19077 379 43 about about ADP bracis-19077 379 44 this this DET bracis-19077 379 45 paper paper NOUN bracis-19077 379 46 cite cite VERB bracis-19077 379 47 this this DET bracis-19077 379 48 paper paper NOUN bracis-19077 379 49 barros barros PROPN bracis-19077 379 50 , , PUNCT bracis-19077 379 51 j.m j.m PROPN bracis-19077 379 52 . . PROPN bracis-19077 379 53 , , PUNCT bracis-19077 379 54 de de X bracis-19077 379 55 bona bona X bracis-19077 379 56 , , PUNCT bracis-19077 379 57 g. g. PROPN bracis-19077 379 58 ( ( PUNCT bracis-19077 379 59 2021 2021 NUM bracis-19077 379 60 ) ) PUNCT bracis-19077 379 61 . . PUNCT bracis-19077 380 1 a a DET bracis-19077 380 2 deep deep ADJ bracis-19077 380 3 learning learning NOUN bracis-19077 380 4 approach approach NOUN bracis-19077 380 5 for for ADP bracis-19077 380 6 aspect aspect NOUN bracis-19077 380 7 sentiment sentiment NOUN bracis-19077 380 8 triplet triplet NOUN bracis-19077 380 9 extraction extraction NOUN bracis-19077 380 10 in in ADP bracis-19077 380 11 portuguese portuguese PROPN bracis-19077 380 12 . . PUNCT bracis-19077 381 1 in in ADP bracis-19077 381 2 : : PUNCT bracis-19077 381 3 britto britto PROPN bracis-19077 381 4 , , PUNCT bracis-19077 381 5 a. a. PROPN bracis-19077 381 6 , , PUNCT bracis-19077 381 7 valdivia valdivia PROPN bracis-19077 381 8 delgado delgado PROPN bracis-19077 381 9 , , PUNCT bracis-19077 381 10 k. k. PROPN bracis-19077 381 11 ( ( PUNCT bracis-19077 381 12 eds eds PROPN bracis-19077 381 13 ) ) PUNCT bracis-19077 381 14 intelligent intelligent ADJ bracis-19077 381 15 systems system NOUN bracis-19077 381 16 . . PUNCT bracis-19077 382 1 bracis bracis PROPN bracis-19077 382 2 2021 2021 NUM bracis-19077 382 3 . . PUNCT bracis-19077 383 1 lecture lecture NOUN bracis-19077 383 2 notes note NOUN bracis-19077 383 3 in in ADP bracis-19077 383 4 computer computer NOUN bracis-19077 383 5 science science NOUN bracis-19077 383 6 ( ( PUNCT bracis-19077 383 7 ) ) PUNCT bracis-19077 383 8 , , PUNCT bracis-19077 383 9 vol vol NOUN bracis-19077 383 10 13074 13074 NUM bracis-19077 383 11 . . PUNCT bracis-19077 384 1 springer springer NOUN bracis-19077 384 2 , , PUNCT bracis-19077 384 3 cham cham PROPN bracis-19077 384 4 . . PUNCT bracis-19077 385 1 https://doi.org/10.1007/978-3-030-91699-2_24 https://doi.org/10.1007/978-3-030-91699-2_24 PROPN bracis-19077 385 2 download download VERB bracis-19077 385 3 citation citation NOUN bracis-19077 385 4 .ris .ris PUNCT bracis-19077 386 1 .enw .enw PROPN bracis-19077 386 2 .bib .bib PUNCT bracis-19077 387 1 doi doi PROPN bracis-19077 387 2 : : PUNCT bracis-19077 387 3 https://doi.org/10.1007/978-3-030-91699-2_24 https://doi.org/10.1007/978-3-030-91699-2_24 PROPN bracis-19077 387 4 published publish VERB bracis-19077 387 5 : : PUNCT bracis-19077 387 6 28 28 NUM bracis-19077 387 7 november november PROPN bracis-19077 387 8 2021 2021 NUM bracis-19077 387 9 publisher publisher NOUN bracis-19077 387 10 name name NOUN bracis-19077 387 11 : : PUNCT bracis-19077 387 12 springer springer NOUN bracis-19077 387 13 , , PUNCT bracis-19077 387 14 cham cham PROPN bracis-19077 387 15 print print PROPN bracis-19077 387 16 isbn isbn PROPN bracis-19077 387 17 : : PUNCT bracis-19077 387 18 978 978 NUM bracis-19077 387 19 - - SYM bracis-19077 387 20 3 3 NUM bracis-19077 387 21 - - PUNCT bracis-19077 387 22 030 030 NUM bracis-19077 387 23 - - PUNCT bracis-19077 387 24 91698 91698 NUM bracis-19077 387 25 - - SYM bracis-19077 387 26 5 5 NUM bracis-19077 387 27 online online ADJ bracis-19077 387 28 isbn isbn NOUN bracis-19077 387 29 : : PUNCT bracis-19077 387 30 978 978 NUM bracis-19077 387 31 - - SYM bracis-19077 387 32 3 3 NUM bracis-19077 387 33 - - PUNCT bracis-19077 387 34 030 030 NUM bracis-19077 387 35 - - PUNCT bracis-19077 387 36 91699 91699 NUM bracis-19077 387 37 - - SYM bracis-19077 387 38 2 2 NUM bracis-19077 387 39 ebook ebook NOUN bracis-19077 387 40 packages package NOUN bracis-19077 387 41 : : PUNCT bracis-19077 387 42 computer computer NOUN bracis-19077 387 43 sciencecomputer sciencecomputer NOUN bracis-19077 387 44 science science NOUN bracis-19077 387 45 ( ( PUNCT bracis-19077 387 46 r0 r0 NOUN bracis-19077 387 47 ) ) PUNCT bracis-19077 387 48 share share VERB bracis-19077 387 49 this this DET bracis-19077 387 50 paper paper NOUN bracis-19077 387 51 anyone anyone PRON bracis-19077 387 52 you you PRON bracis-19077 387 53 share share VERB bracis-19077 387 54 the the DET bracis-19077 387 55 following follow VERB bracis-19077 387 56 link link NOUN bracis-19077 387 57 with with ADP bracis-19077 387 58 will will AUX bracis-19077 387 59 be be AUX bracis-19077 387 60 able able ADJ bracis-19077 387 61 to to PART bracis-19077 387 62 read read VERB bracis-19077 387 63 this this DET bracis-19077 387 64 content content NOUN bracis-19077 387 65 : : PUNCT bracis-19077 387 66 get get VERB bracis-19077 387 67 shareable shareable ADJ bracis-19077 387 68 linksorry linksorry NOUN bracis-19077 387 69 , , PUNCT bracis-19077 387 70 a a DET bracis-19077 387 71 shareable shareable ADJ bracis-19077 387 72 link link NOUN bracis-19077 387 73 is be AUX bracis-19077 387 74 not not PART bracis-19077 387 75 currently currently ADV bracis-19077 387 76 available available ADJ bracis-19077 387 77 for for ADP bracis-19077 387 78 this this DET bracis-19077 387 79 article article NOUN bracis-19077 387 80 . . PUNCT bracis-19077 388 1 copy copy VERB bracis-19077 388 2 shareable shareable ADJ bracis-19077 388 3 link link NOUN bracis-19077 388 4 to to PART bracis-19077 388 5 clipboard clipboard NOUN bracis-19077 388 6 provided provide VERB bracis-19077 388 7 by by ADP bracis-19077 388 8 the the DET bracis-19077 388 9 springer springer NOUN bracis-19077 388 10 nature nature PROPN bracis-19077 388 11 sharedit sharedit PROPN bracis-19077 388 12 content content NOUN bracis-19077 388 13 - - PUNCT bracis-19077 388 14 sharing share VERB bracis-19077 388 15 initiative initiative NOUN bracis-19077 388 16 keywords keyword NOUN bracis-19077 388 17 deep deep ADJ bracis-19077 388 18 learning learn VERB bracis-19077 388 19 natural natural ADJ bracis-19077 388 20 language language NOUN bracis-19077 388 21 processing processing NOUN bracis-19077 388 22 aspect aspect NOUN bracis-19077 388 23 sentiment sentiment NOUN bracis-19077 388 24 triplet triplet NOUN bracis-19077 388 25 extraction extraction NOUN bracis-19077 388 26 publish publish NOUN bracis-19077 388 27 with with ADP bracis-19077 388 28 us us PROPN bracis-19077 388 29 policies policy NOUN bracis-19077 388 30 and and CCONJ bracis-19077 388 31 ethics ethic NOUN bracis-19077 388 32 search search NOUN bracis-19077 388 33 search search NOUN bracis-19077 388 34 by by ADP bracis-19077 388 35 keyword keyword NOUN bracis-19077 388 36 or or CCONJ bracis-19077 388 37 author author NOUN bracis-19077 388 38 search search NOUN bracis-19077 388 39 navigation navigation NOUN bracis-19077 388 40 find find VERB bracis-19077 388 41 a a DET bracis-19077 388 42 journal journal NOUN bracis-19077 388 43 publish publish VERB bracis-19077 388 44 with with ADP bracis-19077 388 45 us we PRON bracis-19077 388 46 track track VERB bracis-19077 388 47 your your PRON bracis-19077 388 48 research research NOUN bracis-19077 388 49 discover discover VERB bracis-19077 388 50 content content NOUN bracis-19077 388 51 journals journal NOUN bracis-19077 388 52 a a DET bracis-19077 388 53 - 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