id sid tid token lemma pos fbem-9428 1 1 frontiers frontier NOUN fbem-9428 1 2 in in ADP fbem-9428 1 3 business business NOUN fbem-9428 1 4 , , PUNCT fbem-9428 1 5 economics economic NOUN fbem-9428 1 6 and and CCONJ fbem-9428 1 7 management management NOUN fbem-9428 1 8 issn issn PROPN fbem-9428 1 9 : : PUNCT fbem-9428 1 10 2766 2766 NUM fbem-9428 1 11 - - PUNCT fbem-9428 1 12 824x 824x NUM fbem-9428 1 13 | | ADJ fbem-9428 1 14 vol vol NOUN fbem-9428 1 15 . . PROPN fbem-9428 2 1 9 9 NUM fbem-9428 2 2 , , PUNCT fbem-9428 2 3 no no INTJ fbem-9428 2 4 . . NOUN fbem-9428 2 5 3 3 NUM fbem-9428 2 6 , , PUNCT fbem-9428 2 7 2023 2023 NUM fbem-9428 2 8 10 10 NUM fbem-9428 2 9 a a DET fbem-9428 2 10 layered layered ADJ fbem-9428 2 11 encryption encryption NOUN fbem-9428 2 12 model model NOUN fbem-9428 2 13 pabb pabb NOUN fbem-9428 2 14 based base VERB fbem-9428 2 15 on on ADP fbem-9428 2 16 user user NOUN fbem-9428 2 17 privacy privacy NOUN fbem-9428 2 18 in in ADP fbem-9428 2 19 e‐commerce e‐commerce PUNCT fbem-9428 2 20 platforms platform NOUN fbem-9428 2 21 jingwu jingwu PROPN fbem-9428 2 22 wen1 wen1 PROPN fbem-9428 2 23 , , PUNCT fbem-9428 2 24 * * PROPN fbem-9428 2 25 1faculty 1faculty NUM fbem-9428 2 26 of of ADP fbem-9428 2 27 geosciences geoscience NOUN fbem-9428 2 28 and and CCONJ fbem-9428 2 29 environment environment NOUN fbem-9428 2 30 engineering engineering NOUN fbem-9428 2 31 , , PUNCT fbem-9428 2 32 school school NOUN fbem-9428 2 33 of of ADP fbem-9428 2 34 southwest southwest PROPN fbem-9428 2 35 jiaotong jiaotong PROPN fbem-9428 2 36 university university PROPN fbem-9428 2 37 , , PUNCT fbem-9428 2 38 chengdu chengdu PROPN fbem-9428 2 39 , , PUNCT fbem-9428 2 40 sichuan sichuan PROPN fbem-9428 2 41 610031 610031 NUM fbem-9428 2 42 , , PUNCT fbem-9428 2 43 china china PROPN fbem-9428 2 44 * * PUNCT fbem-9428 2 45 corresponding correspond VERB fbem-9428 2 46 author author NOUN fbem-9428 2 47 : : PUNCT fbem-9428 2 48 vincentwen@my.swjtu.edu.cn vincentwen@my.swjtu.edu.cn X fbem-9428 2 49 abstract abstract NOUN fbem-9428 2 50 : : PUNCT fbem-9428 2 51 in in ADP fbem-9428 2 52 the the DET fbem-9428 2 53 era era NOUN fbem-9428 2 54 of of ADP fbem-9428 2 55 big big ADJ fbem-9428 2 56 data datum NOUN fbem-9428 2 57 , , PUNCT fbem-9428 2 58 e e NOUN fbem-9428 2 59 - - NOUN fbem-9428 2 60 commerce commerce NOUN fbem-9428 2 61 platforms platform NOUN fbem-9428 2 62 have have VERB fbem-9428 2 63 increasingly increasingly ADV fbem-9428 2 64 strict strict ADJ fbem-9428 2 65 requirements requirement NOUN fbem-9428 2 66 for for ADP fbem-9428 2 67 encryption encryption NOUN fbem-9428 2 68 systems system NOUN fbem-9428 2 69 to to PART fbem-9428 2 70 prevent prevent VERB fbem-9428 2 71 user user NOUN fbem-9428 2 72 privacy privacy NOUN fbem-9428 2 73 breaches breach NOUN fbem-9428 2 74 . . PUNCT fbem-9428 3 1 traditional traditional ADJ fbem-9428 3 2 encryption encryption NOUN fbem-9428 3 3 systems system NOUN fbem-9428 3 4 use use VERB fbem-9428 3 5 a a DET fbem-9428 3 6 single single ADJ fbem-9428 3 7 encryption encryption NOUN fbem-9428 3 8 algorithm algorithm NOUN fbem-9428 3 9 , , PUNCT fbem-9428 3 10 which which PRON fbem-9428 3 11 can can AUX fbem-9428 3 12 not not PART fbem-9428 3 13 achieve achieve VERB fbem-9428 3 14 a a DET fbem-9428 3 15 balance balance NOUN fbem-9428 3 16 between between ADP fbem-9428 3 17 efficiency efficiency NOUN fbem-9428 3 18 and and CCONJ fbem-9428 3 19 security security NOUN fbem-9428 3 20 . . PUNCT fbem-9428 4 1 the the DET fbem-9428 4 2 layered layered ADJ fbem-9428 4 3 encryption encryption NOUN fbem-9428 4 4 model model NOUN fbem-9428 4 5 pabb pabb NOUN fbem-9428 4 6 classifies classify VERB fbem-9428 4 7 and and CCONJ fbem-9428 4 8 layers layer NOUN fbem-9428 4 9 user user NOUN fbem-9428 4 10 data datum NOUN fbem-9428 4 11 of of ADP fbem-9428 4 12 different different ADJ fbem-9428 4 13 security security NOUN fbem-9428 4 14 levels level NOUN fbem-9428 4 15 , , PUNCT fbem-9428 4 16 using use VERB fbem-9428 4 17 targeted target VERB fbem-9428 4 18 different different ADJ fbem-9428 4 19 encryption encryption NOUN fbem-9428 4 20 algorithms algorithm NOUN fbem-9428 4 21 for for ADP fbem-9428 4 22 protection protection NOUN fbem-9428 4 23 , , PUNCT fbem-9428 4 24 balancing balance VERB fbem-9428 4 25 the the DET fbem-9428 4 26 requirements requirement NOUN fbem-9428 4 27 of of ADP fbem-9428 4 28 security security NOUN fbem-9428 4 29 and and CCONJ fbem-9428 4 30 efficiency efficiency NOUN fbem-9428 4 31 . . PUNCT fbem-9428 5 1 keywords keyword NOUN fbem-9428 5 2 : : PUNCT fbem-9428 5 3 e e X fbem-9428 5 4 - - NOUN fbem-9428 5 5 commerce commerce NOUN fbem-9428 5 6 , , PUNCT fbem-9428 5 7 personal personal ADJ fbem-9428 5 8 privacy privacy NOUN fbem-9428 5 9 , , PUNCT fbem-9428 5 10 hierarchical hierarchical ADJ fbem-9428 5 11 model model NOUN fbem-9428 5 12 , , PUNCT fbem-9428 5 13 encryption encryption NOUN fbem-9428 5 14 algorithm algorithm NOUN fbem-9428 5 15 . . PUNCT fbem-9428 6 1 1 1 X fbem-9428 6 2 . . X fbem-9428 6 3 introduction introduction NOUN fbem-9428 6 4 e e NOUN fbem-9428 6 5 - - NOUN fbem-9428 6 6 commerce commerce NOUN fbem-9428 6 7 is be AUX fbem-9428 6 8 diverse diverse ADJ fbem-9428 6 9 , , PUNCT fbem-9428 6 10 and and CCONJ fbem-9428 6 11 people people NOUN fbem-9428 6 12 give give VERB fbem-9428 6 13 slightly slightly ADV fbem-9428 6 14 different different ADJ fbem-9428 6 15 definitions definition NOUN fbem-9428 6 16 according accord VERB fbem-9428 6 17 to to ADP fbem-9428 6 18 different different ADJ fbem-9428 6 19 angles angle NOUN fbem-9428 6 20 . . PUNCT fbem-9428 7 1 from from ADP fbem-9428 7 2 the the DET fbem-9428 7 3 perspective perspective NOUN fbem-9428 7 4 of of ADP fbem-9428 7 5 the the DET fbem-9428 7 6 internet internet NOUN fbem-9428 7 7 , , PUNCT fbem-9428 7 8 e e X fbem-9428 7 9 - - NOUN fbem-9428 7 10 commerce commerce NOUN fbem-9428 7 11 is be AUX fbem-9428 7 12 described describe VERB fbem-9428 7 13 as as ADP fbem-9428 7 14 various various ADJ fbem-9428 7 15 business business NOUN fbem-9428 7 16 activities activity NOUN fbem-9428 7 17 carried carry VERB fbem-9428 7 18 out out ADP fbem-9428 7 19 through through ADP fbem-9428 7 20 the the DET fbem-9428 7 21 internet internet NOUN fbem-9428 7 22 , , PUNCT fbem-9428 7 23 including include VERB fbem-9428 7 24 advertising advertising NOUN fbem-9428 7 25 , , PUNCT fbem-9428 7 26 trading trading NOUN fbem-9428 7 27 , , PUNCT fbem-9428 7 28 payments payment NOUN fbem-9428 7 29 , , PUNCT fbem-9428 7 30 services service NOUN fbem-9428 7 31 and and CCONJ fbem-9428 7 32 other other ADJ fbem-9428 7 33 activities activity NOUN fbem-9428 7 34 . . PUNCT fbem-9428 8 1 [ [ X fbem-9428 8 2 1 1 X fbem-9428 8 3 ] ] PUNCT fbem-9428 8 4 however however ADV fbem-9428 8 5 , , PUNCT fbem-9428 8 6 this this DET fbem-9428 8 7 definition definition NOUN fbem-9428 8 8 has have VERB fbem-9428 8 9 its its PRON fbem-9428 8 10 limitations limitation NOUN fbem-9428 8 11 , , PUNCT fbem-9428 8 12 because because SCONJ fbem-9428 8 13 e e X fbem-9428 8 14 - - NOUN fbem-9428 8 15 commerce commerce NOUN fbem-9428 8 16 is be AUX fbem-9428 8 17 not not PART fbem-9428 8 18 restricted restrict VERB fbem-9428 8 19 to to ADP fbem-9428 8 20 the the DET fbem-9428 8 21 internet internet NOUN fbem-9428 8 22 . . PUNCT fbem-9428 9 1 from from ADP fbem-9428 9 2 the the DET fbem-9428 9 3 perspective perspective NOUN fbem-9428 9 4 of of ADP fbem-9428 9 5 economics economic NOUN fbem-9428 9 6 , , PUNCT fbem-9428 9 7 e e X fbem-9428 9 8 - - NOUN fbem-9428 9 9 commerce commerce NOUN fbem-9428 9 10 is be AUX fbem-9428 9 11 a a DET fbem-9428 9 12 business business NOUN fbem-9428 9 13 transaction transaction NOUN fbem-9428 9 14 between between ADP fbem-9428 9 15 enterprises enterprise NOUN fbem-9428 9 16 , , PUNCT fbem-9428 9 17 enterprises enterprise NOUN fbem-9428 9 18 and and CCONJ fbem-9428 9 19 consumers consumer NOUN fbem-9428 9 20 that that PRON fbem-9428 9 21 takes take VERB fbem-9428 9 22 place place NOUN fbem-9428 9 23 on on ADP fbem-9428 9 24 the the DET fbem-9428 9 25 open open ADJ fbem-9428 9 26 network network NOUN fbem-9428 9 27 . . PUNCT fbem-9428 10 1 it it PRON fbem-9428 10 2 is be AUX fbem-9428 10 3 based base VERB fbem-9428 10 4 on on ADP fbem-9428 10 5 digital digital ADJ fbem-9428 10 6 data datum NOUN fbem-9428 10 7 processing processing NOUN fbem-9428 10 8 and and CCONJ fbem-9428 10 9 transmission transmission NOUN fbem-9428 10 10 process process NOUN fbem-9428 10 11 including include VERB fbem-9428 10 12 multimedia multimedia NOUN fbem-9428 10 13 , , PUNCT fbem-9428 10 14 including include VERB fbem-9428 10 15 all all DET fbem-9428 10 16 transaction transaction NOUN fbem-9428 10 17 forms form NOUN fbem-9428 10 18 related relate VERB fbem-9428 10 19 to to ADP fbem-9428 10 20 business business NOUN fbem-9428 10 21 activities.[2 activities.[2 X fbem-9428 10 22 ] ] PUNCT fbem-9428 10 23 this this DET fbem-9428 10 24 definition definition NOUN fbem-9428 10 25 limits limit VERB fbem-9428 10 26 the the DET fbem-9428 10 27 identity identity NOUN fbem-9428 10 28 of of ADP fbem-9428 10 29 ecommerce ecommerce NOUN fbem-9428 10 30 participants participant NOUN fbem-9428 10 31 and and CCONJ fbem-9428 10 32 the the DET fbem-9428 10 33 way way NOUN fbem-9428 10 34 of of ADP fbem-9428 10 35 transaction transaction NOUN fbem-9428 10 36 . . PUNCT fbem-9428 11 1 later later ADV fbem-9428 11 2 , , PUNCT fbem-9428 11 3 it it PRON fbem-9428 11 4 was be AUX fbem-9428 11 5 defined define VERB fbem-9428 11 6 as as ADP fbem-9428 11 7 the the DET fbem-9428 11 8 completion completion NOUN fbem-9428 11 9 of of ADP fbem-9428 11 10 any any DET fbem-9428 11 11 form form NOUN fbem-9428 11 12 of of ADP fbem-9428 11 13 business business NOUN fbem-9428 11 14 transaction transaction NOUN fbem-9428 11 15 between between ADP fbem-9428 11 16 participants participant NOUN fbem-9428 11 17 by by ADP fbem-9428 11 18 electronic electronic ADJ fbem-9428 11 19 means mean NOUN fbem-9428 11 20 rather rather ADV fbem-9428 11 21 than than ADP fbem-9428 11 22 physical physical ADJ fbem-9428 11 23 exchange exchange NOUN fbem-9428 11 24 or or CCONJ fbem-9428 11 25 direct direct ADJ fbem-9428 11 26 physical physical ADJ fbem-9428 11 27 contact.[3 contact.[3 NUM fbem-9428 11 28 ] ] PUNCT fbem-9428 11 29 from from ADP fbem-9428 11 30 the the DET fbem-9428 11 31 perspective perspective NOUN fbem-9428 11 32 of of ADP fbem-9428 11 33 electronization electronization NOUN fbem-9428 11 34 , , PUNCT fbem-9428 11 35 e e NOUN fbem-9428 11 36 - - NOUN fbem-9428 11 37 commerce commerce NOUN fbem-9428 11 38 is be AUX fbem-9428 11 39 to to PART fbem-9428 11 40 realize realize VERB fbem-9428 11 41 the the DET fbem-9428 11 42 electronization electronization NOUN fbem-9428 11 43 of of ADP fbem-9428 11 44 the the DET fbem-9428 11 45 whole whole ADJ fbem-9428 11 46 trade trade NOUN fbem-9428 11 47 activity.[4 activity.[4 X fbem-9428 11 48 ] ] PUNCT fbem-9428 11 49 now now ADV fbem-9428 11 50 , , PUNCT fbem-9428 11 51 ecommerce ecommerce NOUN fbem-9428 11 52 refers refer VERB fbem-9428 11 53 to to ADP fbem-9428 11 54 all all DET fbem-9428 11 55 business business NOUN fbem-9428 11 56 activities activity NOUN fbem-9428 11 57 of of ADP fbem-9428 11 58 enterprises enterprise NOUN fbem-9428 11 59 through through ADP fbem-9428 11 60 the the DET fbem-9428 11 61 internet internet NOUN fbem-9428 11 62 . . PUNCT fbem-9428 12 1 with with ADP fbem-9428 12 2 the the DET fbem-9428 12 3 popularity popularity NOUN fbem-9428 12 4 of of ADP fbem-9428 12 5 smart smart ADJ fbem-9428 12 6 phones phone NOUN fbem-9428 12 7 , , PUNCT fbem-9428 12 8 more more ADJ fbem-9428 12 9 and and CCONJ fbem-9428 12 10 more more ADJ fbem-9428 12 11 business business NOUN fbem-9428 12 12 practitioners practitioner NOUN fbem-9428 12 13 or or CCONJ fbem-9428 12 14 non non NOUN fbem-9428 12 15 - - NOUN fbem-9428 12 16 practitioners practitioner NOUN fbem-9428 12 17 of of ADP fbem-9428 12 18 ordinary ordinary ADJ fbem-9428 12 19 people people NOUN fbem-9428 12 20 also also ADV fbem-9428 12 21 participate participate VERB fbem-9428 12 22 in in ADP fbem-9428 12 23 mobile mobile ADJ fbem-9428 12 24 e e NOUN fbem-9428 12 25 - - NOUN fbem-9428 12 26 commerce commerce NOUN fbem-9428 12 27 activities activity NOUN fbem-9428 12 28 through through ADP fbem-9428 12 29 e e NOUN fbem-9428 12 30 - - NOUN fbem-9428 12 31 commerce commerce NOUN fbem-9428 12 32 platforms platform NOUN fbem-9428 12 33 . . PUNCT fbem-9428 13 1 through through ADP fbem-9428 13 2 the the DET fbem-9428 13 3 ecommerce ecommerce NOUN fbem-9428 13 4 platform platform NOUN fbem-9428 13 5 , , PUNCT fbem-9428 13 6 users user NOUN fbem-9428 13 7 can can AUX fbem-9428 13 8 trade trade VERB fbem-9428 13 9 goods good NOUN fbem-9428 13 10 in in ADP fbem-9428 13 11 kind kind NOUN fbem-9428 13 12 , , PUNCT fbem-9428 13 13 services service NOUN fbem-9428 13 14 , , PUNCT fbem-9428 13 15 information information NOUN fbem-9428 13 16 and and CCONJ fbem-9428 13 17 other other ADJ fbem-9428 13 18 goods good NOUN fbem-9428 13 19 . . PUNCT fbem-9428 14 1 although although SCONJ fbem-9428 14 2 e e NOUN fbem-9428 14 3 - - NOUN fbem-9428 14 4 commerce commerce NOUN fbem-9428 14 5 makes make VERB fbem-9428 14 6 shopping shop VERB fbem-9428 14 7 more more ADV fbem-9428 14 8 convenient convenient ADJ fbem-9428 14 9 for for ADP fbem-9428 14 10 modern modern ADJ fbem-9428 14 11 people people NOUN fbem-9428 14 12 , , PUNCT fbem-9428 14 13 because because SCONJ fbem-9428 14 14 e e NOUN fbem-9428 14 15 - - NOUN fbem-9428 14 16 commerce commerce NOUN fbem-9428 14 17 platform platform NOUN fbem-9428 14 18 will will AUX fbem-9428 14 19 bind bind VERB fbem-9428 14 20 a a DET fbem-9428 14 21 series series NOUN fbem-9428 14 22 of of ADP fbem-9428 14 23 privacy privacy NOUN fbem-9428 14 24 information information NOUN fbem-9428 14 25 such such ADJ fbem-9428 14 26 as as ADP fbem-9428 14 27 user user NOUN fbem-9428 14 28 name name NOUN fbem-9428 14 29 , , PUNCT fbem-9428 14 30 contact contact NOUN fbem-9428 14 31 information information NOUN fbem-9428 14 32 , , PUNCT fbem-9428 14 33 address address NOUN fbem-9428 14 34 , , PUNCT fbem-9428 14 35 bank bank NOUN fbem-9428 14 36 card card NOUN fbem-9428 14 37 , , PUNCT fbem-9428 14 38 etc etc X fbem-9428 14 39 . . X fbem-9428 14 40 , , PUNCT fbem-9428 14 41 once once SCONJ fbem-9428 14 42 the the DET fbem-9428 14 43 platform platform NOUN fbem-9428 14 44 is be AUX fbem-9428 14 45 vulnerable vulnerable ADJ fbem-9428 14 46 or or CCONJ fbem-9428 14 47 the the DET fbem-9428 14 48 privacy privacy NOUN fbem-9428 14 49 data data NOUN fbem-9428 14 50 is be AUX fbem-9428 14 51 not not PART fbem-9428 14 52 protected protect VERB fbem-9428 14 53 , , PUNCT fbem-9428 14 54 it it PRON fbem-9428 14 55 will will AUX fbem-9428 14 56 cause cause VERB fbem-9428 14 57 a a DET fbem-9428 14 58 series series NOUN fbem-9428 14 59 of of ADP fbem-9428 14 60 serious serious ADJ fbem-9428 14 61 privacy privacy NOUN fbem-9428 14 62 security security NOUN fbem-9428 14 63 problems problem NOUN fbem-9428 14 64 . . PUNCT fbem-9428 15 1 personal personal ADJ fbem-9428 15 2 privacy privacy NOUN fbem-9428 15 3 generally generally ADV fbem-9428 15 4 refers refer VERB fbem-9428 15 5 to to ADP fbem-9428 15 6 personal personal ADJ fbem-9428 15 7 information information NOUN fbem-9428 15 8 , , PUNCT fbem-9428 15 9 activities activity NOUN fbem-9428 15 10 , , PUNCT fbem-9428 15 11 fields field NOUN fbem-9428 15 12 , , PUNCT fbem-9428 15 13 etc etc X fbem-9428 15 14 . . X fbem-9428 15 15 that that PRON fbem-9428 15 16 citizens citizen NOUN fbem-9428 15 17 are be AUX fbem-9428 15 18 unwilling unwilling ADJ fbem-9428 15 19 to to PART fbem-9428 15 20 disclose disclose VERB fbem-9428 15 21 to to ADP fbem-9428 15 22 others.[5 others.[5 X fbem-9428 15 23 ] ] PUNCT fbem-9428 15 24 in in ADP fbem-9428 15 25 e e PROPN fbem-9428 15 26 - - NOUN fbem-9428 15 27 commerce commerce NOUN fbem-9428 15 28 activities activity NOUN fbem-9428 15 29 , , PUNCT fbem-9428 15 30 first first ADV fbem-9428 15 31 , , PUNCT fbem-9428 15 32 users user NOUN fbem-9428 15 33 need need VERB fbem-9428 15 34 to to PART fbem-9428 15 35 submit submit VERB fbem-9428 15 36 a a DET fbem-9428 15 37 large large ADJ fbem-9428 15 38 amount amount NOUN fbem-9428 15 39 of of ADP fbem-9428 15 40 privacy privacy NOUN fbem-9428 15 41 information information NOUN fbem-9428 15 42 to to ADP fbem-9428 15 43 the the DET fbem-9428 15 44 platform platform NOUN fbem-9428 15 45 , , PUNCT fbem-9428 15 46 including include VERB fbem-9428 15 47 capital capital NOUN fbem-9428 15 48 account account NOUN fbem-9428 15 49 and and CCONJ fbem-9428 15 50 its its PRON fbem-9428 15 51 password password NOUN fbem-9428 15 52 , , PUNCT fbem-9428 15 53 platform platform NOUN fbem-9428 15 54 login login NOUN fbem-9428 15 55 account account NOUN fbem-9428 15 56 and and CCONJ fbem-9428 15 57 its its PRON fbem-9428 15 58 password password NOUN fbem-9428 15 59 , , PUNCT fbem-9428 15 60 user user NOUN fbem-9428 15 61 's 's PART fbem-9428 15 62 personal personal ADJ fbem-9428 15 63 name name NOUN fbem-9428 15 64 , , PUNCT fbem-9428 15 65 i i PROPN fbem-9428 15 66 d d PROPN fbem-9428 15 67 number number NOUN fbem-9428 15 68 , , PUNCT fbem-9428 15 69 receiving receive VERB fbem-9428 15 70 address address NOUN fbem-9428 15 71 , , PUNCT fbem-9428 15 72 etc etc X fbem-9428 15 73 ; ; PUNCT fbem-9428 15 74 the the DET fbem-9428 15 75 second second NOUN fbem-9428 15 76 is be AUX fbem-9428 15 77 to to PART fbem-9428 15 78 record record VERB fbem-9428 15 79 the the DET fbem-9428 15 80 behavior behavior NOUN fbem-9428 15 81 of of ADP fbem-9428 15 82 users user NOUN fbem-9428 15 83 during during ADP fbem-9428 15 84 the the DET fbem-9428 15 85 use use NOUN fbem-9428 15 86 of of ADP fbem-9428 15 87 e e NOUN fbem-9428 15 88 - - NOUN fbem-9428 15 89 commerce commerce NOUN fbem-9428 15 90 platforms platform NOUN fbem-9428 15 91 ' ' PART fbem-9428 15 92 apps app NOUN fbem-9428 15 93 or or CCONJ fbem-9428 15 94 web web NOUN fbem-9428 15 95 pages page NOUN fbem-9428 15 96 . . PUNCT fbem-9428 16 1 this this DET fbem-9428 16 2 article article NOUN fbem-9428 16 3 provides provide VERB fbem-9428 16 4 the the DET fbem-9428 16 5 following follow VERB fbem-9428 16 6 definition definition NOUN fbem-9428 16 7 for for ADP fbem-9428 16 8 user user NOUN fbem-9428 16 9 privacy privacy NOUN fbem-9428 16 10 in in ADP fbem-9428 16 11 e e PROPN fbem-9428 16 12 - - NOUN fbem-9428 16 13 commerce commerce NOUN fbem-9428 16 14 activities activity NOUN fbem-9428 16 15 . . PUNCT fbem-9428 17 1 there there PRON fbem-9428 17 2 are be VERB fbem-9428 17 3 two two NUM fbem-9428 17 4 types type NOUN fbem-9428 17 5 of of ADP fbem-9428 17 6 personal personal ADJ fbem-9428 17 7 privacy privacy NOUN fbem-9428 17 8 in in ADP fbem-9428 17 9 e e PROPN fbem-9428 17 10 - - NOUN fbem-9428 17 11 commerce commerce NOUN fbem-9428 17 12 : : PUNCT fbem-9428 17 13 information information NOUN fbem-9428 17 14 that that PRON fbem-9428 17 15 users user NOUN fbem-9428 17 16 upload upload VERB fbem-9428 17 17 to to ADP fbem-9428 17 18 the the DET fbem-9428 17 19 platform platform NOUN fbem-9428 17 20 but but CCONJ fbem-9428 17 21 do do AUX fbem-9428 17 22 not not PART fbem-9428 17 23 want want VERB fbem-9428 17 24 to to PART fbem-9428 17 25 disclose disclose VERB fbem-9428 17 26 , , PUNCT fbem-9428 17 27 and and CCONJ fbem-9428 17 28 records record NOUN fbem-9428 17 29 that that SCONJ fbem-9428 17 30 users user NOUN fbem-9428 17 31 leave leave VERB fbem-9428 17 32 behind behind ADV fbem-9428 17 33 during during ADP fbem-9428 17 34 platform platform NOUN fbem-9428 17 35 activities activity NOUN fbem-9428 17 36 and and CCONJ fbem-9428 17 37 do do AUX fbem-9428 17 38 not not PART fbem-9428 17 39 want want VERB fbem-9428 17 40 to to PART fbem-9428 17 41 disclose.up disclose.up VERB fbem-9428 17 42 to to ADP fbem-9428 17 43 now now ADV fbem-9428 17 44 , , PUNCT fbem-9428 17 45 researchers researcher NOUN fbem-9428 17 46 have have AUX fbem-9428 17 47 taken take VERB fbem-9428 17 48 such such ADJ fbem-9428 17 49 methods method NOUN fbem-9428 17 50 as as ADP fbem-9428 17 51 symmetric symmetric ADJ fbem-9428 17 52 key key ADJ fbem-9428 17 53 encryption encryption NOUN fbem-9428 17 54 , , PUNCT fbem-9428 17 55 asymmetric asymmetric ADJ fbem-9428 17 56 key key ADJ fbem-9428 17 57 encryption encryption NOUN fbem-9428 17 58 , , PUNCT fbem-9428 17 59 database database NOUN fbem-9428 17 60 encryption encryption NOUN fbem-9428 17 61 to to PART fbem-9428 17 62 protect protect VERB fbem-9428 17 63 user user NOUN fbem-9428 17 64 privacy privacy PROPN fbem-9428 17 65 data data PROPN fbem-9428 17 66 , , PUNCT fbem-9428 17 67 which which PRON fbem-9428 17 68 has have AUX fbem-9428 17 69 solved solve VERB fbem-9428 17 70 a a DET fbem-9428 17 71 series series NOUN fbem-9428 17 72 of of ADP fbem-9428 17 73 problems problem NOUN fbem-9428 17 74 such such ADJ fbem-9428 17 75 as as ADP fbem-9428 17 76 user user NOUN fbem-9428 17 77 data datum NOUN fbem-9428 17 78 being be AUX fbem-9428 17 79 easy easy ADJ fbem-9428 17 80 to to PART fbem-9428 17 81 be be AUX fbem-9428 17 82 cracked crack VERB fbem-9428 17 83 and and CCONJ fbem-9428 17 84 leaked leak VERB fbem-9428 17 85 . . PUNCT fbem-9428 18 1 based base VERB fbem-9428 18 2 on on ADP fbem-9428 18 3 the the DET fbem-9428 18 4 importance importance NOUN fbem-9428 18 5 of of ADP fbem-9428 18 6 protecting protect VERB fbem-9428 18 7 personal personal ADJ fbem-9428 18 8 information information NOUN fbem-9428 18 9 security security NOUN fbem-9428 18 10 under under ADP fbem-9428 18 11 big big ADJ fbem-9428 18 12 data datum NOUN fbem-9428 18 13 , , PUNCT fbem-9428 18 14 this this DET fbem-9428 18 15 paper paper NOUN fbem-9428 18 16 proposes propose VERB fbem-9428 18 17 a a DET fbem-9428 18 18 layered layered ADJ fbem-9428 18 19 encryption encryption NOUN fbem-9428 18 20 model model NOUN fbem-9428 18 21 pabb pabb NOUN fbem-9428 18 22 for for ADP fbem-9428 18 23 personal personal ADJ fbem-9428 18 24 information information NOUN fbem-9428 18 25 recorded record VERB fbem-9428 18 26 / / PUNCT fbem-9428 18 27 stored store VERB fbem-9428 18 28 on on ADP fbem-9428 18 29 e e NOUN fbem-9428 18 30 - - NOUN fbem-9428 18 31 commerce commerce NOUN fbem-9428 18 32 platforms platform NOUN fbem-9428 18 33 . . PUNCT fbem-9428 19 1 from from ADP fbem-9428 19 2 top top NOUN fbem-9428 19 3 to to ADP fbem-9428 19 4 bottom bottom NOUN fbem-9428 19 5 , , PUNCT fbem-9428 19 6 the the DET fbem-9428 19 7 security security NOUN fbem-9428 19 8 level level NOUN fbem-9428 19 9 is be AUX fbem-9428 19 10 user user NOUN fbem-9428 19 11 payment payment NOUN fbem-9428 19 12 information information NOUN fbem-9428 19 13 layer layer NOUN fbem-9428 19 14 , , PUNCT fbem-9428 19 15 user user NOUN fbem-9428 19 16 account account NOUN fbem-9428 19 17 information information NOUN fbem-9428 19 18 layer layer NOUN fbem-9428 19 19 , , PUNCT fbem-9428 19 20 user user NOUN fbem-9428 19 21 behavior behavior NOUN fbem-9428 19 22 information information NOUN fbem-9428 19 23 layer layer NOUN fbem-9428 19 24 , , PUNCT fbem-9428 19 25 and and CCONJ fbem-9428 19 26 user user NOUN fbem-9428 19 27 basic basic ADJ fbem-9428 19 28 information information NOUN fbem-9428 19 29 layer layer NOUN fbem-9428 19 30 . . PUNCT fbem-9428 20 1 we we PRON fbem-9428 20 2 found find VERB fbem-9428 20 3 that that SCONJ fbem-9428 20 4 many many ADJ fbem-9428 20 5 e e NOUN fbem-9428 20 6 - - NOUN fbem-9428 20 7 commerce commerce NOUN fbem-9428 20 8 platforms platform NOUN fbem-9428 20 9 did do AUX fbem-9428 20 10 not not PART fbem-9428 20 11 encrypt encrypt VERB fbem-9428 20 12 all all DET fbem-9428 20 13 users user NOUN fbem-9428 20 14 ' ' PART fbem-9428 20 15 private private ADJ fbem-9428 20 16 information information NOUN fbem-9428 20 17 in in ADP fbem-9428 20 18 a a DET fbem-9428 20 19 timely timely ADJ fbem-9428 20 20 manner manner NOUN fbem-9428 20 21 , , PUNCT fbem-9428 20 22 which which PRON fbem-9428 20 23 led lead VERB fbem-9428 20 24 to to ADP fbem-9428 20 25 the the DET fbem-9428 20 26 fact fact NOUN fbem-9428 20 27 that that SCONJ fbem-9428 20 28 when when SCONJ fbem-9428 20 29 there there PRON fbem-9428 20 30 was be VERB fbem-9428 20 31 an an DET fbem-9428 20 32 information information NOUN fbem-9428 20 33 disclosure disclosure NOUN fbem-9428 20 34 event event NOUN fbem-9428 20 35 , , PUNCT fbem-9428 20 36 the the DET fbem-9428 20 37 hackers hacker NOUN fbem-9428 20 38 could could AUX fbem-9428 20 39 directly directly ADV fbem-9428 20 40 use use VERB fbem-9428 20 41 the the DET fbem-9428 20 42 stolen steal VERB fbem-9428 20 43 original original ADJ fbem-9428 20 44 data datum NOUN fbem-9428 20 45 for for ADP fbem-9428 20 46 transactions transaction NOUN fbem-9428 20 47 or or CCONJ fbem-9428 20 48 other other ADJ fbem-9428 20 49 criminal criminal ADJ fbem-9428 20 50 activities activity NOUN fbem-9428 20 51 . . PUNCT fbem-9428 21 1 the the DET fbem-9428 21 2 layered layered ADJ fbem-9428 21 3 encryption encryption NOUN fbem-9428 21 4 model model NOUN fbem-9428 21 5 reasonably reasonably ADV fbem-9428 21 6 layers layer VERB fbem-9428 21 7 the the DET fbem-9428 21 8 existing exist VERB fbem-9428 21 9 user user NOUN fbem-9428 21 10 data datum NOUN fbem-9428 21 11 according accord VERB fbem-9428 21 12 to to ADP fbem-9428 21 13 the the DET fbem-9428 21 14 requirements requirement NOUN fbem-9428 21 15 of of ADP fbem-9428 21 16 different different ADJ fbem-9428 21 17 information information NOUN fbem-9428 21 18 use use NOUN fbem-9428 21 19 frequency frequency NOUN fbem-9428 21 20 on on ADP fbem-9428 21 21 the the DET fbem-9428 21 22 time time NOUN fbem-9428 21 23 complexity complexity NOUN fbem-9428 21 24 of of ADP fbem-9428 21 25 the the DET fbem-9428 21 26 encryption encryption NOUN fbem-9428 21 27 algorithm algorithm NOUN fbem-9428 21 28 and and CCONJ fbem-9428 21 29 the the DET fbem-9428 21 30 requirements requirement NOUN fbem-9428 21 31 of of ADP fbem-9428 21 32 different different ADJ fbem-9428 21 33 information information NOUN fbem-9428 21 34 on on ADP fbem-9428 21 35 the the DET fbem-9428 21 36 security security NOUN fbem-9428 21 37 of of ADP fbem-9428 21 38 the the DET fbem-9428 21 39 encryption encryption NOUN fbem-9428 21 40 algorithm algorithm NOUN fbem-9428 21 41 . . PUNCT fbem-9428 22 1 different different ADJ fbem-9428 22 2 encryption encryption NOUN fbem-9428 22 3 algorithms algorithm NOUN fbem-9428 22 4 are be AUX fbem-9428 22 5 used use VERB fbem-9428 22 6 according accord VERB fbem-9428 22 7 to to ADP fbem-9428 22 8 the the DET fbem-9428 22 9 requirements requirement NOUN fbem-9428 22 10 of of ADP fbem-9428 22 11 different different ADJ fbem-9428 22 12 levels level NOUN fbem-9428 22 13 on on ADP fbem-9428 22 14 the the DET fbem-9428 22 15 security security NOUN fbem-9428 22 16 and and CCONJ fbem-9428 22 17 efficiency efficiency NOUN fbem-9428 22 18 of of ADP fbem-9428 22 19 the the DET fbem-9428 22 20 algorithm algorithm NOUN fbem-9428 22 21 . . PUNCT fbem-9428 23 1 the the DET fbem-9428 23 2 establishment establishment NOUN fbem-9428 23 3 of of ADP fbem-9428 23 4 this this DET fbem-9428 23 5 hierarchical hierarchical ADJ fbem-9428 23 6 model model NOUN fbem-9428 23 7 clarifies clarify VERB fbem-9428 23 8 the the DET fbem-9428 23 9 security security NOUN fbem-9428 23 10 level level NOUN fbem-9428 23 11 required require VERB fbem-9428 23 12 by by ADP fbem-9428 23 13 different different ADJ fbem-9428 23 14 users user NOUN fbem-9428 23 15 ' ' PART fbem-9428 23 16 privacy privacy NOUN fbem-9428 23 17 information information NOUN fbem-9428 23 18 in in ADP fbem-9428 23 19 the the DET fbem-9428 23 20 ecommerce ecommerce NOUN fbem-9428 23 21 platform platform NOUN fbem-9428 23 22 , , PUNCT fbem-9428 23 23 and and CCONJ fbem-9428 23 24 facilitates facilitate VERB fbem-9428 23 25 subsequent subsequent ADJ fbem-9428 23 26 work work NOUN fbem-9428 23 27 such such ADJ fbem-9428 23 28 as as ADP fbem-9428 23 29 selecting select VERB fbem-9428 23 30 different different ADJ fbem-9428 23 31 encryption encryption NOUN fbem-9428 23 32 algorithms algorithm NOUN fbem-9428 23 33 for for ADP fbem-9428 23 34 different different ADJ fbem-9428 23 35 levels level NOUN fbem-9428 23 36 of of ADP fbem-9428 23 37 privacy privacy NOUN fbem-9428 23 38 information information NOUN fbem-9428 23 39 and and CCONJ fbem-9428 23 40 deciding decide VERB fbem-9428 23 41 the the DET fbem-9428 23 42 priority priority NOUN fbem-9428 23 43 of of ADP fbem-9428 23 44 calling call VERB fbem-9428 23 45 resources resource NOUN fbem-9428 23 46 . . PUNCT fbem-9428 24 1 after after ADP fbem-9428 24 2 the the DET fbem-9428 24 3 processing processing NOUN fbem-9428 24 4 of of ADP fbem-9428 24 5 big big ADJ fbem-9428 24 6 data datum NOUN fbem-9428 24 7 technology technology NOUN fbem-9428 24 8 , , PUNCT fbem-9428 24 9 the the DET fbem-9428 24 10 value value NOUN fbem-9428 24 11 of of ADP fbem-9428 24 12 personal personal ADJ fbem-9428 24 13 privacy privacy NOUN fbem-9428 24 14 has have AUX fbem-9428 24 15 been be AUX fbem-9428 24 16 further far ADV fbem-9428 24 17 amplified amplify VERB fbem-9428 24 18 . . PUNCT fbem-9428 25 1 driven drive VERB fbem-9428 25 2 by by ADP fbem-9428 25 3 interests interest NOUN fbem-9428 25 4 , , PUNCT fbem-9428 25 5 many many ADJ fbem-9428 25 6 enterprises enterprise NOUN fbem-9428 25 7 and and CCONJ fbem-9428 25 8 illegal illegal ADJ fbem-9428 25 9 organizations organization NOUN fbem-9428 25 10 have have AUX fbem-9428 25 11 begun begin VERB fbem-9428 25 12 to to PART fbem-9428 25 13 collect collect VERB fbem-9428 25 14 , , PUNCT fbem-9428 25 15 analyze analyze NOUN fbem-9428 25 16 , , PUNCT fbem-9428 25 17 process process NOUN fbem-9428 25 18 , , PUNCT fbem-9428 25 19 and and CCONJ fbem-9428 25 20 resell resell ADJ fbem-9428 25 21 user user NOUN fbem-9428 25 22 privacy privacy NOUN fbem-9428 25 23 information information NOUN fbem-9428 25 24 without without ADP fbem-9428 25 25 restrictions restriction NOUN fbem-9428 25 26 . . PUNCT fbem-9428 26 1 the the DET fbem-9428 26 2 flow flow NOUN fbem-9428 26 3 of of ADP fbem-9428 26 4 user user NOUN fbem-9428 26 5 privacy privacy NOUN fbem-9428 26 6 data datum NOUN fbem-9428 26 7 within within ADP fbem-9428 26 8 or or CCONJ fbem-9428 26 9 between between ADP fbem-9428 26 10 enterprises enterprise NOUN fbem-9428 26 11 further far ADV fbem-9428 26 12 increases increase VERB fbem-9428 26 13 the the DET fbem-9428 26 14 risk risk NOUN fbem-9428 26 15 of of ADP fbem-9428 26 16 data datum NOUN fbem-9428 26 17 leakage leakage NOUN fbem-9428 26 18 . . PUNCT fbem-9428 27 1 according accord VERB fbem-9428 27 2 to to ADP fbem-9428 27 3 the the DET fbem-9428 27 4 survey survey NOUN fbem-9428 27 5 report report NOUN fbem-9428 27 6 on on ADP fbem-9428 27 7 the the DET fbem-9428 27 8 leakage leakage NOUN fbem-9428 27 9 of of ADP fbem-9428 27 10 app app PROPN fbem-9428 27 11 personal personal ADJ fbem-9428 27 12 information information NOUN fbem-9428 27 13 released release VERB fbem-9428 27 14 by by ADP fbem-9428 27 15 the the DET fbem-9428 27 16 china china PROPN fbem-9428 27 17 consumers consumers PROPN fbem-9428 27 18 association association PROPN fbem-9428 27 19 in in ADP fbem-9428 27 20 2018 2018 NUM fbem-9428 27 21 , , PUNCT fbem-9428 27 22 85.2 85.2 NUM fbem-9428 27 23 % % NOUN fbem-9428 27 24 of of ADP fbem-9428 27 25 the the DET fbem-9428 27 26 respondents respondent NOUN fbem-9428 27 27 said say VERB fbem-9428 27 28 they they PRON fbem-9428 27 29 had have AUX fbem-9428 27 30 encountered encounter VERB fbem-9428 27 31 the the DET fbem-9428 27 32 problem problem NOUN fbem-9428 27 33 of of ADP fbem-9428 27 34 personal personal ADJ fbem-9428 27 35 information information NOUN fbem-9428 27 36 leakage leakage NOUN fbem-9428 27 37 . . PUNCT fbem-9428 28 1 the the DET fbem-9428 28 2 security security NOUN fbem-9428 28 3 situation situation NOUN fbem-9428 28 4 of of ADP fbem-9428 28 5 user user NOUN fbem-9428 28 6 privacy privacy NOUN fbem-9428 28 7 information information NOUN fbem-9428 28 8 is be AUX fbem-9428 28 9 severe severe ADJ fbem-9428 28 10 . . PUNCT fbem-9428 29 1 while while SCONJ fbem-9428 29 2 improving improve VERB fbem-9428 29 3 user user NOUN fbem-9428 29 4 privacy privacy NOUN fbem-9428 29 5 11 11 NUM fbem-9428 29 6 regulations regulation NOUN fbem-9428 29 7 , , PUNCT fbem-9428 29 8 it it PRON fbem-9428 29 9 is be AUX fbem-9428 29 10 also also ADV fbem-9428 29 11 important important ADJ fbem-9428 29 12 to to PART fbem-9428 29 13 improve improve VERB fbem-9428 29 14 network network NOUN fbem-9428 29 15 service service NOUN fbem-9428 29 16 systems system NOUN fbem-9428 29 17 and and CCONJ fbem-9428 29 18 strengthen strengthen VERB fbem-9428 29 19 privacy privacy NOUN fbem-9428 29 20 information information NOUN fbem-9428 29 21 encryption encryption NOUN fbem-9428 29 22 protection protection NOUN fbem-9428 29 23 . . PUNCT fbem-9428 30 1 at at ADP fbem-9428 30 2 present present ADJ fbem-9428 30 3 , , PUNCT fbem-9428 30 4 solutions solution NOUN fbem-9428 30 5 for for ADP fbem-9428 30 6 protecting protect VERB fbem-9428 30 7 user user NOUN fbem-9428 30 8 privacy privacy NOUN fbem-9428 30 9 on on ADP fbem-9428 30 10 ecommerce ecommerce NOUN fbem-9428 30 11 platforms platform NOUN fbem-9428 30 12 mainly mainly ADV fbem-9428 30 13 fall fall VERB fbem-9428 30 14 into into ADP fbem-9428 30 15 two two NUM fbem-9428 30 16 categories category NOUN fbem-9428 30 17 : : PUNCT fbem-9428 30 18 one one NUM fbem-9428 30 19 is be AUX fbem-9428 30 20 to to PART fbem-9428 30 21 improve improve VERB fbem-9428 30 22 user user NOUN fbem-9428 30 23 privacy privacy NOUN fbem-9428 30 24 protection protection NOUN fbem-9428 30 25 protocols protocol NOUN fbem-9428 30 26 , , PUNCT fbem-9428 30 27 and and CCONJ fbem-9428 30 28 the the DET fbem-9428 30 29 other other ADJ fbem-9428 30 30 is be AUX fbem-9428 30 31 to to PART fbem-9428 30 32 improve improve VERB fbem-9428 30 33 information information NOUN fbem-9428 30 34 encryption encryption NOUN fbem-9428 30 35 technology technology NOUN fbem-9428 30 36 . . PUNCT fbem-9428 31 1 exploring explore VERB fbem-9428 31 2 privacy privacy NOUN fbem-9428 31 3 protection protection NOUN fbem-9428 31 4 from from ADP fbem-9428 31 5 a a DET fbem-9428 31 6 rule rule NOUN fbem-9428 31 7 - - PUNCT fbem-9428 31 8 based base VERB fbem-9428 31 9 perspective perspective NOUN fbem-9428 31 10 is be AUX fbem-9428 31 11 not not PART fbem-9428 31 12 within within ADP fbem-9428 31 13 the the DET fbem-9428 31 14 scope scope NOUN fbem-9428 31 15 of of ADP fbem-9428 31 16 this this DET fbem-9428 31 17 article article NOUN fbem-9428 31 18 , , PUNCT fbem-9428 31 19 but but CCONJ fbem-9428 31 20 in in ADP fbem-9428 31 21 comparison comparison NOUN fbem-9428 31 22 , , PUNCT fbem-9428 31 23 protecting protect VERB fbem-9428 31 24 user user NOUN fbem-9428 31 25 privacy privacy NOUN fbem-9428 31 26 through through ADP fbem-9428 31 27 technical technical ADJ fbem-9428 31 28 means mean NOUN fbem-9428 31 29 is be AUX fbem-9428 31 30 undoubtedly undoubtedly ADV fbem-9428 31 31 the the DET fbem-9428 31 32 most most ADV fbem-9428 31 33 effective effective ADJ fbem-9428 31 34 protection protection NOUN fbem-9428 31 35 method method NOUN fbem-9428 31 36 for for ADP fbem-9428 31 37 externally externally ADV fbem-9428 31 38 initiated initiate VERB fbem-9428 31 39 privacy privacy NOUN fbem-9428 31 40 information information NOUN fbem-9428 31 41 theft theft NOUN fbem-9428 31 42 activities activity NOUN fbem-9428 31 43 . . PUNCT fbem-9428 32 1 this this DET fbem-9428 32 2 article article NOUN fbem-9428 32 3 proposes propose VERB fbem-9428 32 4 a a DET fbem-9428 32 5 layered layered ADJ fbem-9428 32 6 encryption encryption NOUN fbem-9428 32 7 model model NOUN fbem-9428 32 8 pabb pabb NOUN fbem-9428 32 9 based base VERB fbem-9428 32 10 on on ADP fbem-9428 32 11 the the DET fbem-9428 32 12 importance importance NOUN fbem-9428 32 13 of of ADP fbem-9428 32 14 protecting protect VERB fbem-9428 32 15 personal personal ADJ fbem-9428 32 16 information information NOUN fbem-9428 32 17 security security NOUN fbem-9428 32 18 under under ADP fbem-9428 32 19 big big ADJ fbem-9428 32 20 data datum NOUN fbem-9428 32 21 . . PUNCT fbem-9428 33 1 from from ADP fbem-9428 33 2 top top NOUN fbem-9428 33 3 to to ADP fbem-9428 33 4 bottom bottom NOUN fbem-9428 33 5 , , PUNCT fbem-9428 33 6 the the DET fbem-9428 33 7 security security NOUN fbem-9428 33 8 level level NOUN fbem-9428 33 9 is be AUX fbem-9428 33 10 divided divide VERB fbem-9428 33 11 into into ADP fbem-9428 33 12 user user NOUN fbem-9428 33 13 payment payment NOUN fbem-9428 33 14 layer layer NOUN fbem-9428 33 15 , , PUNCT fbem-9428 33 16 user user NOUN fbem-9428 33 17 account account NOUN fbem-9428 33 18 information information NOUN fbem-9428 33 19 layer layer NOUN fbem-9428 33 20 , , PUNCT fbem-9428 33 21 user user NOUN fbem-9428 33 22 behavior behavior NOUN fbem-9428 33 23 information information NOUN fbem-9428 33 24 layer layer NOUN fbem-9428 33 25 , , PUNCT fbem-9428 33 26 and and CCONJ fbem-9428 33 27 user user NOUN fbem-9428 33 28 basic basic ADJ fbem-9428 33 29 information information NOUN fbem-9428 33 30 layer layer NOUN fbem-9428 33 31 . . PUNCT fbem-9428 34 1 it it PRON fbem-9428 34 2 clarifies clarify VERB fbem-9428 34 3 the the DET fbem-9428 34 4 security security NOUN fbem-9428 34 5 level level NOUN fbem-9428 34 6 required require VERB fbem-9428 34 7 for for ADP fbem-9428 34 8 different different ADJ fbem-9428 34 9 user user NOUN fbem-9428 34 10 privacy privacy NOUN fbem-9428 34 11 information information NOUN fbem-9428 34 12 , , PUNCT fbem-9428 34 13 making make VERB fbem-9428 34 14 it it PRON fbem-9428 34 15 convenient convenient ADJ fbem-9428 34 16 to to PART fbem-9428 34 17 choose choose VERB fbem-9428 34 18 different different ADJ fbem-9428 34 19 encryption encryption NOUN fbem-9428 34 20 algorithms algorithm NOUN fbem-9428 34 21 for for ADP fbem-9428 34 22 different different ADJ fbem-9428 34 23 levels level NOUN fbem-9428 34 24 of of ADP fbem-9428 34 25 privacy privacy NOUN fbem-9428 34 26 information information NOUN fbem-9428 34 27 in in ADP fbem-9428 34 28 the the DET fbem-9428 34 29 future future NOUN fbem-9428 34 30 determine determine VERB fbem-9428 34 31 the the DET fbem-9428 34 32 priority priority NOUN fbem-9428 34 33 of of ADP fbem-9428 34 34 resource resource NOUN fbem-9428 34 35 calls call NOUN fbem-9428 34 36 and and CCONJ fbem-9428 34 37 other other ADJ fbem-9428 34 38 subsequent subsequent ADJ fbem-9428 34 39 work work NOUN fbem-9428 34 40 . . PUNCT fbem-9428 35 1 2 2 X fbem-9428 35 2 . . X fbem-9428 35 3 layered layered ADJ fbem-9428 35 4 encryption encryption NOUN fbem-9428 35 5 model model NOUN fbem-9428 35 6 based base VERB fbem-9428 35 7 on on ADP fbem-9428 35 8 the the DET fbem-9428 35 9 importance importance NOUN fbem-9428 35 10 of of ADP fbem-9428 35 11 protecting protect VERB fbem-9428 35 12 personal personal ADJ fbem-9428 35 13 information information NOUN fbem-9428 35 14 security security NOUN fbem-9428 35 15 under under ADP fbem-9428 35 16 big big ADJ fbem-9428 35 17 data datum NOUN fbem-9428 35 18 , , PUNCT fbem-9428 35 19 this this DET fbem-9428 35 20 article article NOUN fbem-9428 35 21 proposes propose VERB fbem-9428 35 22 a a DET fbem-9428 35 23 layered layered ADJ fbem-9428 35 24 encryption encryption NOUN fbem-9428 35 25 model model NOUN fbem-9428 35 26 pabb pabb NOUN fbem-9428 35 27 for for ADP fbem-9428 35 28 personal personal ADJ fbem-9428 35 29 information information NOUN fbem-9428 35 30 recorded record VERB fbem-9428 35 31 / / PUNCT fbem-9428 35 32 stored store VERB fbem-9428 35 33 on on ADP fbem-9428 35 34 e e NOUN fbem-9428 35 35 - - NOUN fbem-9428 35 36 commerce commerce NOUN fbem-9428 35 37 platforms platform NOUN fbem-9428 35 38 . . PUNCT fbem-9428 36 1 user user NOUN fbem-9428 36 2 payment payment NOUN fbem-9428 36 3 / / SYM fbem-9428 36 4 sensitivity sensitivity NOUN fbem-9428 36 5 / / SYM fbem-9428 36 6 identity identity NOUN fbem-9428 36 7 layer layer NOUN fbem-9428 36 8 , , PUNCT fbem-9428 36 9 including include VERB fbem-9428 36 10 user user NOUN fbem-9428 36 11 i i PROPN fbem-9428 36 12 d d PROPN fbem-9428 36 13 number number NOUN fbem-9428 36 14 , , PUNCT fbem-9428 36 15 account account NOUN fbem-9428 36 16 balance balance NOUN fbem-9428 36 17 , , PUNCT fbem-9428 36 18 bank bank NOUN fbem-9428 36 19 card card NOUN fbem-9428 36 20 password password NOUN fbem-9428 36 21 , , PUNCT fbem-9428 36 22 payment payment NOUN fbem-9428 36 23 password password NOUN fbem-9428 36 24 and and CCONJ fbem-9428 36 25 other other ADJ fbem-9428 36 26 sensitive sensitive ADJ fbem-9428 36 27 information information NOUN fbem-9428 36 28 related relate VERB fbem-9428 36 29 to to ADP fbem-9428 36 30 user user NOUN fbem-9428 36 31 property property NOUN fbem-9428 36 32 security security NOUN fbem-9428 36 33 . . PUNCT fbem-9428 37 1 this this DET fbem-9428 37 2 article article NOUN fbem-9428 37 3 considers consider VERB fbem-9428 37 4 using use VERB fbem-9428 37 5 the the DET fbem-9428 37 6 rsa rsa PROPN fbem-9428 37 7 algorithm algorithm NOUN fbem-9428 37 8 with with ADP fbem-9428 37 9 high high ADJ fbem-9428 37 10 security security NOUN fbem-9428 37 11 and and CCONJ fbem-9428 37 12 low low ADJ fbem-9428 37 13 efficiency efficiency NOUN fbem-9428 37 14 to to PART fbem-9428 37 15 encrypt encrypt VERB fbem-9428 37 16 the the DET fbem-9428 37 17 information information NOUN fbem-9428 37 18 in in ADP fbem-9428 37 19 this this DET fbem-9428 37 20 layer layer NOUN fbem-9428 37 21 . . PUNCT fbem-9428 38 1 user user NOUN fbem-9428 38 2 account account PROPN fbem-9428 38 3 information information NOUN fbem-9428 38 4 layer layer NOUN fbem-9428 38 5 includes include VERB fbem-9428 38 6 personal personal ADJ fbem-9428 38 7 privacy privacy NOUN fbem-9428 38 8 information information NOUN fbem-9428 38 9 such such ADJ fbem-9428 38 10 as as ADP fbem-9428 38 11 user user NOUN fbem-9428 38 12 account account NOUN fbem-9428 38 13 passwords password NOUN fbem-9428 38 14 , , PUNCT fbem-9428 38 15 secure secure ADJ fbem-9428 38 16 mobile mobile ADJ fbem-9428 38 17 phones phone NOUN fbem-9428 38 18 , , PUNCT fbem-9428 38 19 and and CCONJ fbem-9428 38 20 secure secure VERB fbem-9428 38 21 email email NOUN fbem-9428 38 22 addresses address NOUN fbem-9428 38 23 . . PUNCT fbem-9428 39 1 this this DET fbem-9428 39 2 information information NOUN fbem-9428 39 3 is be AUX fbem-9428 39 4 related relate VERB fbem-9428 39 5 to to ADP fbem-9428 39 6 the the DET fbem-9428 39 7 security security NOUN fbem-9428 39 8 of of ADP fbem-9428 39 9 the the DET fbem-9428 39 10 user user NOUN fbem-9428 39 11 's 's PART fbem-9428 39 12 account account NOUN fbem-9428 39 13 , , PUNCT fbem-9428 39 14 and and CCONJ fbem-9428 39 15 this this DET fbem-9428 39 16 article article NOUN fbem-9428 39 17 adopts adopt VERB fbem-9428 39 18 the the DET fbem-9428 39 19 aes aes PROPN fbem-9428 39 20 encryption encryption NOUN fbem-9428 39 21 algorithm algorithm NOUN fbem-9428 39 22 with with ADP fbem-9428 39 23 high high ADJ fbem-9428 39 24 security security NOUN fbem-9428 39 25 and and CCONJ fbem-9428 39 26 efficiency efficiency NOUN fbem-9428 39 27 . . PUNCT fbem-9428 40 1 user user NOUN fbem-9428 40 2 behavior behavior PROPN fbem-9428 40 3 information information NOUN fbem-9428 40 4 layer layer NOUN fbem-9428 40 5 includes include VERB fbem-9428 40 6 privacy privacy NOUN fbem-9428 40 7 information information NOUN fbem-9428 40 8 such such ADJ fbem-9428 40 9 as as ADP fbem-9428 40 10 user user NOUN fbem-9428 40 11 consumption consumption NOUN fbem-9428 40 12 records record NOUN fbem-9428 40 13 , , PUNCT fbem-9428 40 14 purchase purchase NOUN fbem-9428 40 15 records record NOUN fbem-9428 40 16 , , PUNCT fbem-9428 40 17 search search NOUN fbem-9428 40 18 records record NOUN fbem-9428 40 19 , , PUNCT fbem-9428 40 20 account account NOUN fbem-9428 40 21 consultation consultation NOUN fbem-9428 40 22 records record NOUN fbem-9428 40 23 , , PUNCT fbem-9428 40 24 and and CCONJ fbem-9428 40 25 account account NOUN fbem-9428 40 26 friends friend NOUN fbem-9428 40 27 . . PUNCT fbem-9428 41 1 this this DET fbem-9428 41 2 article article NOUN fbem-9428 41 3 selects select VERB fbem-9428 41 4 the the DET fbem-9428 41 5 3des 3des NUM fbem-9428 41 6 algorithm algorithm NOUN fbem-9428 41 7 , , PUNCT fbem-9428 41 8 a a DET fbem-9428 41 9 more more ADV fbem-9428 41 10 secure secure ADJ fbem-9428 41 11 encryption encryption NOUN fbem-9428 41 12 algorithm algorithm NOUN fbem-9428 41 13 than than ADP fbem-9428 41 14 traditional traditional ADJ fbem-9428 41 15 des des PROPN fbem-9428 41 16 , , PUNCT fbem-9428 41 17 to to PART fbem-9428 41 18 encrypt encrypt VERB fbem-9428 41 19 the the DET fbem-9428 41 20 information information NOUN fbem-9428 41 21 in in ADP fbem-9428 41 22 this this DET fbem-9428 41 23 layer layer NOUN fbem-9428 41 24 . . PUNCT fbem-9428 42 1 user user NOUN fbem-9428 42 2 basic basic ADJ fbem-9428 42 3 information information NOUN fbem-9428 42 4 layer layer NOUN fbem-9428 42 5 includes include VERB fbem-9428 42 6 information information NOUN fbem-9428 42 7 such such ADJ fbem-9428 42 8 as as ADP fbem-9428 42 9 user user NOUN fbem-9428 42 10 name name NOUN fbem-9428 42 11 , , PUNCT fbem-9428 42 12 phone phone NOUN fbem-9428 42 13 number number NOUN fbem-9428 42 14 , , PUNCT fbem-9428 42 15 address address NOUN fbem-9428 42 16 , , PUNCT fbem-9428 42 17 etc etc X fbem-9428 42 18 . . X fbem-9428 43 1 the the DET fbem-9428 43 2 information information NOUN fbem-9428 43 3 on on ADP fbem-9428 43 4 this this DET fbem-9428 43 5 layer layer NOUN fbem-9428 43 6 will will AUX fbem-9428 43 7 be be AUX fbem-9428 43 8 partially partially ADV fbem-9428 43 9 displayed display VERB fbem-9428 43 10 to to ADP fbem-9428 43 11 the the DET fbem-9428 43 12 product product NOUN fbem-9428 43 13 seller seller NOUN fbem-9428 43 14 , , PUNCT fbem-9428 43 15 with with ADP fbem-9428 43 16 the the DET fbem-9428 43 17 middle middle ADJ fbem-9428 43 18 part part NOUN fbem-9428 43 19 replaced replace VERB fbem-9428 43 20 by by ADP fbem-9428 43 21 " " PUNCT fbem-9428 43 22 * * NOUN fbem-9428 43 23 " " PUNCT fbem-9428 43 24 . . PUNCT fbem-9428 44 1 in in ADP fbem-9428 44 2 the the DET fbem-9428 44 3 process process NOUN fbem-9428 44 4 of of ADP fbem-9428 44 5 conceptualizing conceptualize VERB fbem-9428 44 6 the the DET fbem-9428 44 7 layered layered ADJ fbem-9428 44 8 model model NOUN fbem-9428 44 9 , , PUNCT fbem-9428 44 10 this this DET fbem-9428 44 11 article article NOUN fbem-9428 44 12 first first ADV fbem-9428 44 13 developed develop VERB fbem-9428 44 14 a a DET fbem-9428 44 15 three three NUM fbem-9428 44 16 - - PUNCT fbem-9428 44 17 layer layer NOUN fbem-9428 44 18 layered layered ADJ fbem-9428 44 19 encryption encryption NOUN fbem-9428 44 20 model model NOUN fbem-9428 44 21 pab pab PROPN fbem-9428 44 22 , , PUNCT fbem-9428 44 23 the the DET fbem-9428 44 24 payment payment NOUN fbem-9428 44 25 user user NOUN fbem-9428 44 26 payment payment NOUN fbem-9428 44 27 / / SYM fbem-9428 44 28 sensitive sensitive ADJ fbem-9428 44 29 / / SYM fbem-9428 44 30 identity identity NOUN fbem-9428 44 31 layer layer NOUN fbem-9428 44 32 ; ; PUNCT fbem-9428 44 33 account account NOUN fbem-9428 44 34 user user NOUN fbem-9428 44 35 account account PROPN fbem-9428 44 36 information information NOUN fbem-9428 44 37 layer layer NOUN fbem-9428 44 38 , , PUNCT fbem-9428 44 39 including include VERB fbem-9428 44 40 account account NOUN fbem-9428 44 41 passwords password NOUN fbem-9428 44 42 , , PUNCT fbem-9428 44 43 secure secure ADJ fbem-9428 44 44 mobile mobile ADJ fbem-9428 44 45 phones phone NOUN fbem-9428 44 46 , , PUNCT fbem-9428 44 47 secure secure ADJ fbem-9428 44 48 email email NOUN fbem-9428 44 49 , , PUNCT fbem-9428 44 50 browsing browse VERB fbem-9428 44 51 records record NOUN fbem-9428 44 52 , , PUNCT fbem-9428 44 53 purchase purchase NOUN fbem-9428 44 54 records record NOUN fbem-9428 44 55 , , PUNCT fbem-9428 44 56 consumption consumption NOUN fbem-9428 44 57 records record NOUN fbem-9428 44 58 , , PUNCT fbem-9428 44 59 search search NOUN fbem-9428 44 60 records record NOUN fbem-9428 44 61 , , PUNCT fbem-9428 44 62 etc etc X fbem-9428 44 63 ; ; PUNCT fbem-9428 44 64 basic basic ADJ fbem-9428 44 65 user user NOUN fbem-9428 44 66 basic basic ADJ fbem-9428 44 67 information information NOUN fbem-9428 44 68 layer layer NOUN fbem-9428 44 69 , , PUNCT fbem-9428 44 70 including include VERB fbem-9428 44 71 user user NOUN fbem-9428 44 72 name name NOUN fbem-9428 44 73 , , PUNCT fbem-9428 44 74 phone phone NOUN fbem-9428 44 75 number number NOUN fbem-9428 44 76 , , PUNCT fbem-9428 44 77 address address NOUN fbem-9428 44 78 , , PUNCT fbem-9428 44 79 etc etc X fbem-9428 44 80 . . X fbem-9428 45 1 there there PRON fbem-9428 45 2 is be VERB fbem-9428 45 3 a a DET fbem-9428 45 4 significant significant ADJ fbem-9428 45 5 difference difference NOUN fbem-9428 45 6 in in ADP fbem-9428 45 7 importance importance NOUN fbem-9428 45 8 between between ADP fbem-9428 45 9 behavior behavior NOUN fbem-9428 45 10 related relate VERB fbem-9428 45 11 information information NOUN fbem-9428 45 12 and and CCONJ fbem-9428 45 13 account account NOUN fbem-9428 45 14 login login NOUN fbem-9428 45 15 related relate VERB fbem-9428 45 16 information information NOUN fbem-9428 45 17 in in ADP fbem-9428 45 18 the the DET fbem-9428 45 19 account account NOUN fbem-9428 45 20 layer layer NOUN fbem-9428 45 21 . . PUNCT fbem-9428 46 1 the the DET fbem-9428 46 2 information information NOUN fbem-9428 46 3 related relate VERB fbem-9428 46 4 to to ADP fbem-9428 46 5 account account NOUN fbem-9428 46 6 login login NOUN fbem-9428 46 7 , , PUNCT fbem-9428 46 8 such such ADJ fbem-9428 46 9 as as ADP fbem-9428 46 10 account account NOUN fbem-9428 46 11 password password NOUN fbem-9428 46 12 , , PUNCT fbem-9428 46 13 secure secure ADJ fbem-9428 46 14 mobile mobile ADJ fbem-9428 46 15 phone phone NOUN fbem-9428 46 16 , , PUNCT fbem-9428 46 17 secure secure ADJ fbem-9428 46 18 email email NOUN fbem-9428 46 19 , , PUNCT fbem-9428 46 20 etc etc X fbem-9428 46 21 . . X fbem-9428 46 22 , , PUNCT fbem-9428 46 23 is be AUX fbem-9428 46 24 closely closely ADV fbem-9428 46 25 related relate VERB fbem-9428 46 26 to to ADP fbem-9428 46 27 all all DET fbem-9428 46 28 information information NOUN fbem-9428 46 29 except except SCONJ fbem-9428 46 30 payment payment NOUN fbem-9428 46 31 in in ADP fbem-9428 46 32 the the DET fbem-9428 46 33 account account NOUN fbem-9428 46 34 . . PUNCT fbem-9428 47 1 once once SCONJ fbem-9428 47 2 the the DET fbem-9428 47 3 account account NOUN fbem-9428 47 4 login login NOUN fbem-9428 47 5 information information NOUN fbem-9428 47 6 is be AUX fbem-9428 47 7 leaked leak VERB fbem-9428 47 8 , , PUNCT fbem-9428 47 9 lowerlevel lowerlevel NOUN fbem-9428 47 10 information information NOUN fbem-9428 47 11 will will AUX fbem-9428 47 12 also also ADV fbem-9428 47 13 be be AUX fbem-9428 47 14 leaked leak VERB fbem-9428 47 15 . . PUNCT fbem-9428 48 1 and and CCONJ fbem-9428 48 2 these these DET fbem-9428 48 3 two two NUM fbem-9428 48 4 parts part NOUN fbem-9428 48 5 of of ADP fbem-9428 48 6 privacy privacy NOUN fbem-9428 48 7 belong belong VERB fbem-9428 48 8 to to ADP fbem-9428 48 9 user user NOUN fbem-9428 48 10 uploaded upload VERB fbem-9428 48 11 data datum NOUN fbem-9428 48 12 and and CCONJ fbem-9428 48 13 user user NOUN fbem-9428 48 14 behavior behavior NOUN fbem-9428 48 15 records record VERB fbem-9428 48 16 respectively respectively ADV fbem-9428 48 17 , , PUNCT fbem-9428 48 18 which which PRON fbem-9428 48 19 do do AUX fbem-9428 48 20 not not PART fbem-9428 48 21 comply comply VERB fbem-9428 48 22 with with ADP fbem-9428 48 23 the the DET fbem-9428 48 24 definition definition NOUN fbem-9428 48 25 of of ADP fbem-9428 48 26 user user NOUN fbem-9428 48 27 personal personal PROPN fbem-9428 48 28 privacy privacy NOUN fbem-9428 48 29 in in ADP fbem-9428 48 30 e e NOUN fbem-9428 48 31 - - NOUN fbem-9428 48 32 commerce commerce NOUN fbem-9428 48 33 given give VERB fbem-9428 48 34 in in ADP fbem-9428 48 35 this this DET fbem-9428 48 36 article article NOUN fbem-9428 48 37 . . PUNCT fbem-9428 49 1 therefore therefore ADV fbem-9428 49 2 , , PUNCT fbem-9428 49 3 the the DET fbem-9428 49 4 account account NOUN fbem-9428 49 5 layer layer NOUN fbem-9428 49 6 is be AUX fbem-9428 49 7 segmented segment VERB fbem-9428 49 8 into into ADP fbem-9428 49 9 a a DET fbem-9428 49 10 new new ADJ fbem-9428 49 11 behavior behavior NOUN fbem-9428 49 12 user user NOUN fbem-9428 49 13 behavior behavior NOUN fbem-9428 49 14 information information NOUN fbem-9428 49 15 layer layer NOUN fbem-9428 49 16 . . PUNCT fbem-9428 50 1 in in ADP fbem-9428 50 2 order order NOUN fbem-9428 50 3 to to PART fbem-9428 50 4 distinguish distinguish VERB fbem-9428 50 5 between between ADP fbem-9428 50 6 the the DET fbem-9428 50 7 account account NOUN fbem-9428 50 8 layer layer NOUN fbem-9428 50 9 and and CCONJ fbem-9428 50 10 the the DET fbem-9428 50 11 behavior behavior NOUN fbem-9428 50 12 layer layer NOUN fbem-9428 50 13 , , PUNCT fbem-9428 50 14 the the DET fbem-9428 50 15 weight weight NOUN fbem-9428 50 16 of of ADP fbem-9428 50 17 the the DET fbem-9428 50 18 i i PROPN fbem-9428 50 19 - - PUNCT fbem-9428 50 20 th th VERB fbem-9428 50 21 element element NOUN fbem-9428 50 22 that that PRON fbem-9428 50 23 reflects reflect VERB fbem-9428 50 24 the the DET fbem-9428 50 25 security security NOUN fbem-9428 50 26 of of ADP fbem-9428 50 27 the the DET fbem-9428 50 28 information information NOUN fbem-9428 50 29 layer layer NOUN fbem-9428 50 30 is be AUX fbem-9428 50 31 xi xi ADJ fbem-9428 50 32 , , PUNCT fbem-9428 50 33 and and CCONJ fbem-9428 50 34 the the DET fbem-9428 50 35 value value NOUN fbem-9428 50 36 of of ADP fbem-9428 50 37 the the DET fbem-9428 50 38 ith ith PROPN fbem-9428 50 39 element element NOUN fbem-9428 50 40 in in ADP fbem-9428 50 41 the the DET fbem-9428 50 42 information information NOUN fbem-9428 50 43 layer layer NOUN fbem-9428 50 44 is be AUX fbem-9428 50 45 ai ai VERB fbem-9428 50 46 . . PUNCT fbem-9428 51 1 the the DET fbem-9428 51 2 weight weight NOUN fbem-9428 51 3 system system NOUN fbem-9428 51 4 w w PROPN fbem-9428 51 5 ( ( PUNCT fbem-9428 51 6 x x X fbem-9428 51 7 ) ) PUNCT fbem-9428 51 8 is be AUX fbem-9428 51 9 defined define VERB fbem-9428 51 10 as as ADP fbem-9428 51 11 equation equation NOUN fbem-9428 51 12 ( ( PUNCT fbem-9428 51 13 1 1 NUM fbem-9428 51 14 ): ): PUNCT fbem-9428 51 15 w(x)=a1x1+a2x2+a3x3 w(x)=a1x1+a2x2+a3x3 NUM fbem-9428 51 16 ; ; PUNCT fbem-9428 51 17 ( ( PUNCT fbem-9428 51 18 1 1 X fbem-9428 51 19 ) ) PUNCT fbem-9428 51 20 x1 x1 PROPN fbem-9428 51 21 , , PUNCT fbem-9428 51 22 the the DET fbem-9428 51 23 degree degree NOUN fbem-9428 51 24 of of ADP fbem-9428 51 25 association association NOUN fbem-9428 51 26 with with ADP fbem-9428 51 27 user user NOUN fbem-9428 51 28 image image NOUN fbem-9428 51 29 , , PUNCT fbem-9428 51 30 represents represent VERB fbem-9428 51 31 the the DET fbem-9428 51 32 degree degree NOUN fbem-9428 51 33 to to PART fbem-9428 51 34 which which PRON fbem-9428 51 35 user user NOUN fbem-9428 51 36 preferences preference NOUN fbem-9428 51 37 and and CCONJ fbem-9428 51 38 behavior behavior NOUN fbem-9428 51 39 patterns pattern NOUN fbem-9428 51 40 can can AUX fbem-9428 51 41 be be AUX fbem-9428 51 42 learned learn VERB fbem-9428 51 43 through through ADP fbem-9428 51 44 this this DET fbem-9428 51 45 layer layer NOUN fbem-9428 51 46 of of ADP fbem-9428 51 47 information information NOUN fbem-9428 51 48 . . PUNCT fbem-9428 52 1 this this DET fbem-9428 52 2 article article NOUN fbem-9428 52 3 sets set VERB fbem-9428 52 4 the the DET fbem-9428 52 5 value value NOUN fbem-9428 52 6 of of ADP fbem-9428 52 7 x1 x1 NUM fbem-9428 52 8 to to ADP fbem-9428 52 9 2 2 NUM fbem-9428 52 10 . . PUNCT fbem-9428 53 1 x2 x2 PROPN fbem-9428 53 2 , , PUNCT fbem-9428 53 3 the the DET fbem-9428 53 4 degree degree NOUN fbem-9428 53 5 of of ADP fbem-9428 53 6 correlation correlation NOUN fbem-9428 53 7 with with ADP fbem-9428 53 8 user user NOUN fbem-9428 53 9 life life NOUN fbem-9428 53 10 , , PUNCT fbem-9428 53 11 represents represent VERB fbem-9428 53 12 the the DET fbem-9428 53 13 degree degree NOUN fbem-9428 53 14 to to PART fbem-9428 53 15 which which DET fbem-9428 53 16 information information NOUN fbem-9428 53 17 from from ADP fbem-9428 53 18 this this DET fbem-9428 53 19 layer layer NOUN fbem-9428 53 20 can can AUX fbem-9428 53 21 affect affect VERB fbem-9428 53 22 users user NOUN fbem-9428 53 23 ' ' PART fbem-9428 53 24 lives life NOUN fbem-9428 53 25 outside outside ADP fbem-9428 53 26 of of ADP fbem-9428 53 27 the the DET fbem-9428 53 28 platform platform NOUN fbem-9428 53 29 . . PUNCT fbem-9428 54 1 this this DET fbem-9428 54 2 article article NOUN fbem-9428 54 3 sets set VERB fbem-9428 54 4 the the DET fbem-9428 54 5 x2 x2 ADJ fbem-9428 54 6 value value NOUN fbem-9428 54 7 as as ADP fbem-9428 54 8 4 4 NUM fbem-9428 54 9 . . NOUN fbem-9428 54 10 x3 x3 PROPN fbem-9428 54 11 , , PUNCT fbem-9428 54 12 which which PRON fbem-9428 54 13 is be AUX fbem-9428 54 14 related relate VERB fbem-9428 54 15 to to PART fbem-9428 54 16 account account NOUN fbem-9428 54 17 security security NOUN fbem-9428 54 18 , , PUNCT fbem-9428 54 19 indicates indicate VERB fbem-9428 54 20 whether whether SCONJ fbem-9428 54 21 the the DET fbem-9428 54 22 information information NOUN fbem-9428 54 23 in in ADP fbem-9428 54 24 this this DET fbem-9428 54 25 layer layer NOUN fbem-9428 54 26 can can AUX fbem-9428 54 27 be be AUX fbem-9428 54 28 used use VERB fbem-9428 54 29 to to PART fbem-9428 54 30 log log VERB fbem-9428 54 31 in in ADP fbem-9428 54 32 to to ADP fbem-9428 54 33 the the DET fbem-9428 54 34 user user NOUN fbem-9428 54 35 's 's PART fbem-9428 54 36 account account NOUN fbem-9428 54 37 , , PUNCT fbem-9428 54 38 and and CCONJ fbem-9428 54 39 has have VERB fbem-9428 54 40 a a DET fbem-9428 54 41 high high ADJ fbem-9428 54 42 weight weight NOUN fbem-9428 54 43 . . PUNCT fbem-9428 55 1 this this DET fbem-9428 55 2 article article NOUN fbem-9428 55 3 sets set VERB fbem-9428 55 4 the the DET fbem-9428 55 5 x3 x3 ADJ fbem-9428 55 6 value value NOUN fbem-9428 55 7 to to ADP fbem-9428 55 8 5 5 NUM fbem-9428 55 9 . . PUNCT fbem-9428 56 1 the the DET fbem-9428 56 2 user user NOUN fbem-9428 56 3 account account NOUN fbem-9428 56 4 information information NOUN fbem-9428 56 5 layer layer NOUN fbem-9428 56 6 contains contain VERB fbem-9428 56 7 much much ADV fbem-9428 56 8 less less ADJ fbem-9428 56 9 data datum NOUN fbem-9428 56 10 than than ADP fbem-9428 56 11 the the DET fbem-9428 56 12 user user NOUN fbem-9428 56 13 behavior behavior NOUN fbem-9428 56 14 information information NOUN fbem-9428 56 15 layer layer NOUN fbem-9428 56 16 . . PUNCT fbem-9428 57 1 it it PRON fbem-9428 57 2 is be AUX fbem-9428 57 3 true true ADJ fbem-9428 57 4 that that SCONJ fbem-9428 57 5 information information NOUN fbem-9428 57 6 such such ADJ fbem-9428 57 7 as as ADP fbem-9428 57 8 phone phone NOUN fbem-9428 57 9 , , PUNCT fbem-9428 57 10 email email NOUN fbem-9428 57 11 , , PUNCT fbem-9428 57 12 and and CCONJ fbem-9428 57 13 address address NOUN fbem-9428 57 14 can can AUX fbem-9428 57 15 be be AUX fbem-9428 57 16 used use VERB fbem-9428 57 17 to to PART fbem-9428 57 18 simply simply ADV fbem-9428 57 19 infer infer VERB fbem-9428 57 20 user user NOUN fbem-9428 57 21 profiles profile NOUN fbem-9428 57 22 , , PUNCT fbem-9428 57 23 but but CCONJ fbem-9428 57 24 the the DET fbem-9428 57 25 information information NOUN fbem-9428 57 26 contained contain VERB fbem-9428 57 27 is be AUX fbem-9428 57 28 still still ADV fbem-9428 57 29 too too ADV fbem-9428 57 30 little little ADJ fbem-9428 57 31 and and CCONJ fbem-9428 57 32 the the DET fbem-9428 57 33 error error NOUN fbem-9428 57 34 is be AUX fbem-9428 57 35 too too ADV fbem-9428 57 36 large large ADJ fbem-9428 57 37 . . PUNCT fbem-9428 58 1 the the DET fbem-9428 58 2 leakage leakage NOUN fbem-9428 58 3 of of ADP fbem-9428 58 4 information information NOUN fbem-9428 58 5 in in ADP fbem-9428 58 6 the the DET fbem-9428 58 7 user user NOUN fbem-9428 58 8 account account NOUN fbem-9428 58 9 information information NOUN fbem-9428 58 10 layer layer NOUN fbem-9428 58 11 will will AUX fbem-9428 58 12 have have VERB fbem-9428 58 13 a a DET fbem-9428 58 14 more more ADV fbem-9428 58 15 significant significant ADJ fbem-9428 58 16 impact impact NOUN fbem-9428 58 17 on on ADP fbem-9428 58 18 users user NOUN fbem-9428 58 19 ' ' PART fbem-9428 58 20 lives life NOUN fbem-9428 58 21 , , PUNCT fbem-9428 58 22 and and CCONJ fbem-9428 58 23 criminals criminal NOUN fbem-9428 58 24 will will AUX fbem-9428 58 25 harass harass VERB fbem-9428 58 26 users user NOUN fbem-9428 58 27 through through ADP fbem-9428 58 28 text text NOUN fbem-9428 58 29 messages message NOUN fbem-9428 58 30 , , PUNCT fbem-9428 58 31 phone phone NOUN fbem-9428 58 32 calls call NOUN fbem-9428 58 33 , , PUNCT fbem-9428 58 34 and and CCONJ fbem-9428 58 35 emails email NOUN fbem-9428 58 36 . . PUNCT fbem-9428 59 1 the the DET fbem-9428 59 2 information information NOUN fbem-9428 59 3 in in ADP fbem-9428 59 4 the the DET fbem-9428 59 5 user user NOUN fbem-9428 59 6 behavior behavior NOUN fbem-9428 59 7 information information NOUN fbem-9428 59 8 layer layer NOUN fbem-9428 59 9 is be AUX fbem-9428 59 10 mostly mostly ADV fbem-9428 59 11 used use VERB fbem-9428 59 12 for for ADP fbem-9428 59 13 user user NOUN fbem-9428 59 14 group group NOUN fbem-9428 59 15 image image NOUN fbem-9428 59 16 analysis analysis NOUN fbem-9428 59 17 and and CCONJ fbem-9428 59 18 market market NOUN fbem-9428 59 19 analysis analysis NOUN fbem-9428 59 20 , , PUNCT fbem-9428 59 21 and and CCONJ fbem-9428 59 22 leakage leakage NOUN fbem-9428 59 23 does do AUX fbem-9428 59 24 not not PART fbem-9428 59 25 have have VERB fbem-9428 59 26 a a DET fbem-9428 59 27 significant significant ADJ fbem-9428 59 28 impact impact NOUN fbem-9428 59 29 on on ADP fbem-9428 59 30 user user NOUN fbem-9428 59 31 life life NOUN fbem-9428 59 32 . . PUNCT fbem-9428 60 1 user user NOUN fbem-9428 60 2 account account PROPN fbem-9428 60 3 information information NOUN fbem-9428 60 4 is be AUX fbem-9428 60 5 a a DET fbem-9428 60 6 necessary necessary ADJ fbem-9428 60 7 condition condition NOUN fbem-9428 60 8 for for ADP fbem-9428 60 9 logging log VERB fbem-9428 60 10 in in ADP fbem-9428 60 11 to to ADP fbem-9428 60 12 a a DET fbem-9428 60 13 user user NOUN fbem-9428 60 14 's 's PART fbem-9428 60 15 account account NOUN fbem-9428 60 16 on on ADP fbem-9428 60 17 the the DET fbem-9428 60 18 platform platform NOUN fbem-9428 60 19 , , PUNCT fbem-9428 60 20 and and CCONJ fbem-9428 60 21 account account NOUN fbem-9428 60 22 information information NOUN fbem-9428 60 23 is be AUX fbem-9428 60 24 closely closely ADV fbem-9428 60 25 related relate VERB fbem-9428 60 26 to to AUX fbem-9428 60 27 account account NOUN fbem-9428 60 28 security security NOUN fbem-9428 60 29 . . PUNCT fbem-9428 61 1 behavioral behavioral ADJ fbem-9428 61 2 information information NOUN fbem-9428 61 3 is be AUX fbem-9428 61 4 a a DET fbem-9428 61 5 record record NOUN fbem-9428 61 6 of of ADP fbem-9428 61 7 the the DET fbem-9428 61 8 user user NOUN fbem-9428 61 9 's 's PART fbem-9428 61 10 behavior behavior NOUN fbem-9428 61 11 after after ADP fbem-9428 61 12 logging log VERB fbem-9428 61 13 in in ADP fbem-9428 61 14 to to ADP fbem-9428 61 15 the the DET fbem-9428 61 16 account account NOUN fbem-9428 61 17 , , PUNCT fbem-9428 61 18 and and CCONJ fbem-9428 61 19 is be AUX fbem-9428 61 20 not not PART fbem-9428 61 21 strongly strongly ADV fbem-9428 61 22 related relate VERB fbem-9428 61 23 to to ADP fbem-9428 61 24 account account NOUN fbem-9428 61 25 security security NOUN fbem-9428 61 26 . . PUNCT fbem-9428 62 1 therefore therefore ADV fbem-9428 62 2 , , PUNCT fbem-9428 62 3 the the DET fbem-9428 62 4 values value NOUN fbem-9428 62 5 and and CCONJ fbem-9428 62 6 weights weight NOUN fbem-9428 62 7 of of ADP fbem-9428 62 8 each each DET fbem-9428 62 9 layer layer NOUN fbem-9428 62 10 are be AUX fbem-9428 62 11 shown show VERB fbem-9428 62 12 in in ADP fbem-9428 62 13 table table NOUN fbem-9428 62 14 1 1 NUM fbem-9428 62 15 , , PUNCT fbem-9428 62 16 where where SCONJ fbem-9428 62 17 wa wa INTJ fbem-9428 62 18 ( ( PUNCT fbem-9428 62 19 x)