id	sid	tid	token	lemma	pos
ajst-10990	1	1	academic	academic	ADJ
ajst-10990	1	2	journal	journal	NOUN
ajst-10990	1	3	of	of	ADP
ajst-10990	1	4	science	science	NOUN
ajst-10990	1	5	and	and	CCONJ
ajst-10990	1	6	technology	technology	NOUN
ajst-10990	1	7	issn	issn	NOUN
ajst-10990	1	8	:	:	PUNCT
ajst-10990	1	9	2771	2771	NUM
ajst-10990	1	10	-	-	SYM
ajst-10990	1	11	3032	3032	NUM
ajst-10990	1	12	|	|	NOUN
ajst-10990	1	13	vol	vol	NOUN
ajst-10990	1	14	.	.	PROPN
ajst-10990	2	1	7	7	NUM
ajst-10990	2	2	,	,	PUNCT
ajst-10990	2	3	no	no	INTJ
ajst-10990	2	4	.	.	NOUN
ajst-10990	2	5	1	1	NUM
ajst-10990	2	6	,	,	PUNCT
ajst-10990	2	7	2023	2023	NUM
ajst-10990	2	8	63	63	NUM
ajst-10990	2	9	research	research	NOUN
ajst-10990	2	10	on	on	ADP
ajst-10990	2	11	user	user	NOUN
ajst-10990	2	12	profile	profile	NOUN
ajst-10990	2	13	combined	combine	VERB
ajst-10990	2	14	with	with	ADP
ajst-10990	2	15	collaborative	collaborative	ADJ
ajst-10990	2	16	filtering	filtering	NOUN
ajst-10990	2	17	recommendation	recommendation	NOUN
ajst-10990	2	18	algorithm	algorithm	NOUN
ajst-10990	2	19	for	for	ADP
ajst-10990	2	20	intelligent	intelligent	ADJ
ajst-10990	2	21	tourism	tourism	NOUN
ajst-10990	2	22	chun	chun	PROPN
ajst-10990	2	23	he	he	PRON
ajst-10990	2	24	,	,	PUNCT
ajst-10990	2	25	caijian	caijian	PROPN
ajst-10990	2	26	hua	hua	PROPN
ajst-10990	2	27	school	school	NOUN
ajst-10990	2	28	of	of	ADP
ajst-10990	2	29	computer	computer	NOUN
ajst-10990	2	30	science	science	NOUN
ajst-10990	2	31	and	and	CCONJ
ajst-10990	2	32	engineering	engineering	NOUN
ajst-10990	2	33	,	,	PUNCT
ajst-10990	2	34	sichuan	sichuan	PROPN
ajst-10990	2	35	university	university	PROPN
ajst-10990	2	36	of	of	ADP
ajst-10990	2	37	science	science	PROPN
ajst-10990	2	38	&	&	CCONJ
ajst-10990	2	39	engineering	engineering	PROPN
ajst-10990	2	40	,	,	PUNCT
ajst-10990	2	41	sichuan	sichuan	PROPN
ajst-10990	2	42	yibin	yibin	PROPN
ajst-10990	2	43	643000	643000	NUM
ajst-10990	2	44	,	,	PUNCT
ajst-10990	2	45	china	china	PROPN
ajst-10990	2	46	abstract	abstract	PROPN
ajst-10990	2	47	:	:	PUNCT
ajst-10990	2	48	in	in	ADP
ajst-10990	2	49	recent	recent	ADJ
ajst-10990	2	50	years	year	NOUN
ajst-10990	2	51	,	,	PUNCT
ajst-10990	2	52	the	the	DET
ajst-10990	2	53	online	online	ADJ
ajst-10990	2	54	travel	travel	NOUN
ajst-10990	2	55	sector	sector	NOUN
ajst-10990	2	56	in	in	ADP
ajst-10990	2	57	the	the	DET
ajst-10990	2	58	tourism	tourism	NOUN
ajst-10990	2	59	industry	industry	NOUN
ajst-10990	2	60	has	have	AUX
ajst-10990	2	61	experienced	experience	VERB
ajst-10990	2	62	significant	significant	ADJ
ajst-10990	2	63	growth	growth	NOUN
ajst-10990	2	64	and	and	CCONJ
ajst-10990	2	65	popularity	popularity	NOUN
ajst-10990	2	66	due	due	ADP
ajst-10990	2	67	to	to	ADP
ajst-10990	2	68	the	the	DET
ajst-10990	2	69	development	development	NOUN
ajst-10990	2	70	and	and	CCONJ
ajst-10990	2	71	widespread	widespread	ADJ
ajst-10990	2	72	adoption	adoption	NOUN
ajst-10990	2	73	of	of	ADP
ajst-10990	2	74	internet	internet	NOUN
ajst-10990	2	75	technology	technology	NOUN
ajst-10990	2	76	and	and	CCONJ
ajst-10990	2	77	smart	smart	ADJ
ajst-10990	2	78	devices	device	NOUN
ajst-10990	2	79	.	.	PUNCT
ajst-10990	3	1	however	however	ADV
ajst-10990	3	2	,	,	PUNCT
ajst-10990	3	3	despite	despite	SCONJ
ajst-10990	3	4	these	these	DET
ajst-10990	3	5	advancements	advancement	NOUN
ajst-10990	3	6	,	,	PUNCT
ajst-10990	3	7	scenic	scenic	ADJ
ajst-10990	3	8	spots	spot	NOUN
ajst-10990	3	9	have	have	AUX
ajst-10990	3	10	struggled	struggle	VERB
ajst-10990	3	11	to	to	PART
ajst-10990	3	12	provide	provide	VERB
ajst-10990	3	13	precise	precise	ADJ
ajst-10990	3	14	services	service	NOUN
ajst-10990	3	15	to	to	ADP
ajst-10990	3	16	tourists	tourist	NOUN
ajst-10990	3	17	,	,	PUNCT
ajst-10990	3	18	as	as	SCONJ
ajst-10990	3	19	the	the	DET
ajst-10990	3	20	online	online	ADJ
ajst-10990	3	21	marketplace	marketplace	NOUN
ajst-10990	3	22	is	be	AUX
ajst-10990	3	23	flooded	flood	VERB
ajst-10990	3	24	with	with	ADP
ajst-10990	3	25	numerous	numerous	ADJ
ajst-10990	3	26	and	and	CCONJ
ajst-10990	3	27	disorganized	disorganized	ADJ
ajst-10990	3	28	commodity	commodity	NOUN
ajst-10990	3	29	resources	resource	NOUN
ajst-10990	3	30	,	,	PUNCT
ajst-10990	3	31	lacking	lack	VERB
ajst-10990	3	32	standardized	standardized	ADJ
ajst-10990	3	33	construction	construction	NOUN
ajst-10990	3	34	and	and	CCONJ
ajst-10990	3	35	systematic	systematic	ADJ
ajst-10990	3	36	management	management	NOUN
ajst-10990	3	37	.	.	PUNCT
ajst-10990	4	1	as	as	ADP
ajst-10990	4	2	a	a	DET
ajst-10990	4	3	result	result	NOUN
ajst-10990	4	4	,	,	PUNCT
ajst-10990	4	5	travelers	traveler	NOUN
ajst-10990	4	6	find	find	VERB
ajst-10990	4	7	it	it	PRON
ajst-10990	4	8	challenging	challenge	VERB
ajst-10990	4	9	to	to	AUX
ajst-10990	4	10	access	access	VERB
ajst-10990	4	11	specialty	specialty	NOUN
ajst-10990	4	12	goods	good	NOUN
ajst-10990	4	13	that	that	PRON
ajst-10990	4	14	cater	cater	VERB
ajst-10990	4	15	to	to	ADP
ajst-10990	4	16	their	their	PRON
ajst-10990	4	17	personalized	personalize	VERB
ajst-10990	4	18	needs	need	NOUN
ajst-10990	4	19	.	.	PUNCT
ajst-10990	5	1	to	to	PART
ajst-10990	5	2	address	address	VERB
ajst-10990	5	3	this	this	DET
ajst-10990	5	4	issue	issue	NOUN
ajst-10990	5	5	,	,	PUNCT
ajst-10990	5	6	this	this	DET
ajst-10990	5	7	paper	paper	NOUN
ajst-10990	5	8	proposes	propose	VERB
ajst-10990	5	9	the	the	DET
ajst-10990	5	10	use	use	NOUN
ajst-10990	5	11	of	of	ADP
ajst-10990	5	12	user	user	NOUN
ajst-10990	5	13	profiling	profiling	NOUN
ajst-10990	5	14	and	and	CCONJ
ajst-10990	5	15	collaborative	collaborative	ADJ
ajst-10990	5	16	filtering	filtering	NOUN
ajst-10990	5	17	recommendation	recommendation	NOUN
ajst-10990	5	18	algorithms	algorithm	NOUN
ajst-10990	5	19	to	to	PART
ajst-10990	5	20	achieve	achieve	VERB
ajst-10990	5	21	personalized	personalized	ADJ
ajst-10990	5	22	recommendations	recommendation	NOUN
ajst-10990	5	23	for	for	ADP
ajst-10990	5	24	specialty	specialty	NOUN
ajst-10990	5	25	products	product	NOUN
ajst-10990	5	26	in	in	ADP
ajst-10990	5	27	scenic	scenic	ADJ
ajst-10990	5	28	spots	spot	NOUN
ajst-10990	5	29	.	.	PUNCT
ajst-10990	6	1	the	the	DET
ajst-10990	6	2	general	general	ADJ
ajst-10990	6	3	process	process	NOUN
ajst-10990	6	4	of	of	ADP
ajst-10990	6	5	constructing	construct	VERB
ajst-10990	6	6	user	user	NOUN
ajst-10990	6	7	profiles	profile	NOUN
ajst-10990	6	8	for	for	ADP
ajst-10990	6	9	scenic	scenic	ADJ
ajst-10990	6	10	spots	spot	NOUN
ajst-10990	6	11	and	and	CCONJ
ajst-10990	6	12	combining	combine	VERB
ajst-10990	6	13	them	they	PRON
ajst-10990	6	14	with	with	ADP
ajst-10990	6	15	collaborative	collaborative	ADJ
ajst-10990	6	16	filtering	filter	VERB
ajst-10990	6	17	algorithms	algorithm	NOUN
ajst-10990	6	18	to	to	PART
ajst-10990	6	19	create	create	VERB
ajst-10990	6	20	an	an	DET
ajst-10990	6	21	intelligent	intelligent	ADJ
ajst-10990	6	22	tourism	tourism	NOUN
ajst-10990	6	23	recommendation	recommendation	NOUN
ajst-10990	6	24	system	system	NOUN
ajst-10990	6	25	is	be	AUX
ajst-10990	6	26	outlined	outline	VERB
ajst-10990	6	27	.	.	PUNCT
ajst-10990	7	1	the	the	DET
ajst-10990	7	2	paper	paper	NOUN
ajst-10990	7	3	also	also	ADV
ajst-10990	7	4	highlights	highlight	VERB
ajst-10990	7	5	the	the	DET
ajst-10990	7	6	current	current	ADJ
ajst-10990	7	7	challenges	challenge	NOUN
ajst-10990	7	8	faced	face	VERB
ajst-10990	7	9	by	by	ADP
ajst-10990	7	10	this	this	DET
ajst-10990	7	11	system	system	NOUN
ajst-10990	7	12	in	in	ADP
ajst-10990	7	13	practical	practical	ADJ
ajst-10990	7	14	applications	application	NOUN
ajst-10990	7	15	and	and	CCONJ
ajst-10990	7	16	provides	provide	VERB
ajst-10990	7	17	future	future	ADJ
ajst-10990	7	18	research	research	NOUN
ajst-10990	7	19	prospects	prospect	NOUN
ajst-10990	7	20	to	to	PART
ajst-10990	7	21	promote	promote	VERB
ajst-10990	7	22	accurate	accurate	ADJ
ajst-10990	7	23	services	service	NOUN
ajst-10990	7	24	in	in	ADP
ajst-10990	7	25	tourist	tourist	NOUN
ajst-10990	7	26	attractions	attraction	NOUN
ajst-10990	7	27	.	.	PUNCT
ajst-10990	8	1	keywords	keyword	NOUN
ajst-10990	8	2	:	:	PUNCT
ajst-10990	8	3	user	user	NOUN
ajst-10990	8	4	profiling	profiling	NOUN
ajst-10990	8	5	,	,	PUNCT
ajst-10990	8	6	recommendation	recommendation	NOUN
ajst-10990	8	7	,	,	PUNCT
ajst-10990	8	8	personalization	personalization	NOUN
ajst-10990	8	9	,	,	PUNCT
ajst-10990	8	10	tourism	tourism	NOUN
ajst-10990	8	11	.	.	PUNCT
ajst-10990	9	1	1	1	X
ajst-10990	9	2	.	.	X
ajst-10990	9	3	introduction	introduction	NOUN
ajst-10990	9	4	in	in	ADP
ajst-10990	9	5	recent	recent	ADJ
ajst-10990	9	6	years	year	NOUN
ajst-10990	9	7	,	,	PUNCT
ajst-10990	9	8	with	with	ADP
ajst-10990	9	9	the	the	DET
ajst-10990	9	10	rapid	rapid	ADJ
ajst-10990	9	11	development	development	NOUN
ajst-10990	9	12	of	of	ADP
ajst-10990	9	13	the	the	DET
ajst-10990	9	14	tourism	tourism	NOUN
ajst-10990	9	15	industry	industry	NOUN
ajst-10990	9	16	,	,	PUNCT
ajst-10990	9	17	personalized	personalize	VERB
ajst-10990	9	18	travel	travel	NOUN
ajst-10990	9	19	service	service	NOUN
ajst-10990	9	20	models	model	NOUN
ajst-10990	9	21	and	and	CCONJ
ajst-10990	9	22	demands	demand	NOUN
ajst-10990	9	23	have	have	AUX
ajst-10990	9	24	been	be	AUX
ajst-10990	9	25	continuously	continuously	ADV
ajst-10990	9	26	strengthened	strengthen	VERB
ajst-10990	9	27	,	,	PUNCT
ajst-10990	9	28	becoming	become	VERB
ajst-10990	9	29	a	a	DET
ajst-10990	9	30	new	new	ADJ
ajst-10990	9	31	focal	focal	ADJ
ajst-10990	9	32	point	point	NOUN
ajst-10990	9	33	in	in	ADP
ajst-10990	9	34	the	the	DET
ajst-10990	9	35	tourism	tourism	NOUN
ajst-10990	9	36	market	market	NOUN
ajst-10990	9	37	.	.	PUNCT
ajst-10990	10	1	consumers	consumer	NOUN
ajst-10990	10	2	are	be	AUX
ajst-10990	10	3	placing	place	VERB
ajst-10990	10	4	increasing	increase	VERB
ajst-10990	10	5	importance	importance	NOUN
ajst-10990	10	6	on	on	ADP
ajst-10990	10	7	the	the	DET
ajst-10990	10	8	quality	quality	NOUN
ajst-10990	10	9	of	of	ADP
ajst-10990	10	10	their	their	PRON
ajst-10990	10	11	travel	travel	NOUN
ajst-10990	10	12	experiences	experience	NOUN
ajst-10990	10	13	,	,	PUNCT
ajst-10990	10	14	seeking	seek	VERB
ajst-10990	10	15	uniqueness	uniqueness	NOUN
ajst-10990	10	16	and	and	CCONJ
ajst-10990	10	17	personalized	personalized	ADJ
ajst-10990	10	18	adventures	adventure	NOUN
ajst-10990	10	19	,	,	PUNCT
ajst-10990	10	20	and	and	CCONJ
ajst-10990	10	21	are	be	AUX
ajst-10990	10	22	willing	willing	ADJ
ajst-10990	10	23	to	to	PART
ajst-10990	10	24	pay	pay	VERB
ajst-10990	10	25	higher	high	ADJ
ajst-10990	10	26	costs	cost	NOUN
ajst-10990	10	27	for	for	ADP
ajst-10990	10	28	them	they	PRON
ajst-10990	10	29	.	.	PUNCT
ajst-10990	11	1	moreover	moreover	ADV
ajst-10990	11	2	,	,	PUNCT
ajst-10990	11	3	as	as	SCONJ
ajst-10990	11	4	the	the	DET
ajst-10990	11	5	interest	interest	NOUN
ajst-10990	11	6	in	in	ADP
ajst-10990	11	7	travel	travel	NOUN
ajst-10990	11	8	grows	grow	VERB
ajst-10990	11	9	among	among	ADP
ajst-10990	11	10	young	young	ADJ
ajst-10990	11	11	people	people	NOUN
ajst-10990	11	12	,	,	PUNCT
ajst-10990	11	13	they	they	PRON
ajst-10990	11	14	prefer	prefer	VERB
ajst-10990	11	15	independent	independent	ADJ
ajst-10990	11	16	and	and	CCONJ
ajst-10990	11	17	personalized	personalized	ADJ
ajst-10990	11	18	travel	travel	NOUN
ajst-10990	11	19	styles	style	NOUN
ajst-10990	11	20	,	,	PUNCT
ajst-10990	11	21	making	make	VERB
ajst-10990	11	22	personalized	personalized	ADJ
ajst-10990	11	23	travel	travel	NOUN
ajst-10990	11	24	services	service	NOUN
ajst-10990	11	25	and	and	CCONJ
ajst-10990	11	26	related	related	ADJ
ajst-10990	11	27	products	product	NOUN
ajst-10990	11	28	and	and	CCONJ
ajst-10990	11	29	offerings	offering	NOUN
ajst-10990	11	30	more	more	ADV
ajst-10990	11	31	popular	popular	ADJ
ajst-10990	11	32	.	.	PUNCT
ajst-10990	12	1	personalized	personalized	ADJ
ajst-10990	12	2	travel	travel	NOUN
ajst-10990	12	3	service	service	NOUN
ajst-10990	12	4	is	be	AUX
ajst-10990	12	5	a	a	DET
ajst-10990	12	6	consumer	consumer	NOUN
ajst-10990	12	7	-	-	PUNCT
ajst-10990	12	8	oriented	orient	VERB
ajst-10990	12	9	model	model	NOUN
ajst-10990	12	10	,	,	PUNCT
ajst-10990	12	11	aiming	aim	VERB
ajst-10990	12	12	to	to	PART
ajst-10990	12	13	meet	meet	VERB
ajst-10990	12	14	individualized	individualized	ADJ
ajst-10990	12	15	needs	need	NOUN
ajst-10990	12	16	by	by	ADP
ajst-10990	12	17	providing	provide	VERB
ajst-10990	12	18	comprehensive	comprehensive	ADJ
ajst-10990	12	19	,	,	PUNCT
ajst-10990	12	20	high	high	ADJ
ajst-10990	12	21	-	-	PUNCT
ajst-10990	12	22	quality	quality	NOUN
ajst-10990	12	23	,	,	PUNCT
ajst-10990	12	24	and	and	CCONJ
ajst-10990	12	25	personalized	personalized	ADJ
ajst-10990	12	26	tourism	tourism	NOUN
ajst-10990	12	27	services	service	NOUN
ajst-10990	12	28	through	through	ADP
ajst-10990	12	29	refined	refined	ADJ
ajst-10990	12	30	management	management	NOUN
ajst-10990	12	31	and	and	CCONJ
ajst-10990	12	32	differentiated	differentiated	ADJ
ajst-10990	12	33	services	service	NOUN
ajst-10990	12	34	.	.	PUNCT
ajst-10990	13	1	consumers	consumer	NOUN
ajst-10990	13	2	can	can	AUX
ajst-10990	13	3	choose	choose	VERB
ajst-10990	13	4	travel	travel	NOUN
ajst-10990	13	5	routes	route	NOUN
ajst-10990	13	6	,	,	PUNCT
ajst-10990	13	7	itineraries	itinerary	NOUN
ajst-10990	13	8	,	,	PUNCT
ajst-10990	13	9	and	and	CCONJ
ajst-10990	13	10	activities	activity	NOUN
ajst-10990	13	11	that	that	PRON
ajst-10990	13	12	suit	suit	VERB
ajst-10990	13	13	their	their	PRON
ajst-10990	13	14	preferences	preference	NOUN
ajst-10990	13	15	while	while	SCONJ
ajst-10990	13	16	receiving	receive	VERB
ajst-10990	13	17	professional	professional	ADJ
ajst-10990	13	18	advice	advice	NOUN
ajst-10990	13	19	and	and	CCONJ
ajst-10990	13	20	tailored	tailor	VERB
ajst-10990	13	21	services	service	NOUN
ajst-10990	13	22	.	.	PUNCT
ajst-10990	14	1	this	this	DET
ajst-10990	14	2	approach	approach	NOUN
ajst-10990	14	3	meets	meet	VERB
ajst-10990	14	4	consumers	consumer	NOUN
ajst-10990	14	5	'	'	PART
ajst-10990	14	6	more	more	ADV
ajst-10990	14	7	personalized	personalized	ADJ
ajst-10990	14	8	demands	demand	NOUN
ajst-10990	14	9	and	and	CCONJ
ajst-10990	14	10	offers	offer	VERB
ajst-10990	14	11	a	a	DET
ajst-10990	14	12	wider	wide	ADJ
ajst-10990	14	13	array	array	NOUN
ajst-10990	14	14	of	of	ADP
ajst-10990	14	15	choices	choice	NOUN
ajst-10990	14	16	.	.	PUNCT
ajst-10990	15	1	however	however	ADV
ajst-10990	15	2	,	,	PUNCT
ajst-10990	15	3	the	the	DET
ajst-10990	15	4	current	current	ADJ
ajst-10990	15	5	scenic	scenic	ADJ
ajst-10990	15	6	spots	spot	NOUN
ajst-10990	15	7	have	have	AUX
ajst-10990	15	8	not	not	PART
ajst-10990	15	9	effectively	effectively	ADV
ajst-10990	15	10	addressed	address	VERB
ajst-10990	15	11	the	the	DET
ajst-10990	15	12	personalized	personalize	VERB
ajst-10990	15	13	needs	need	NOUN
ajst-10990	15	14	of	of	ADP
ajst-10990	15	15	travelers	traveler	NOUN
ajst-10990	15	16	.	.	PUNCT
ajst-10990	16	1	disorganized	disorganized	ADJ
ajst-10990	16	2	goods	good	NOUN
ajst-10990	16	3	still	still	ADV
ajst-10990	16	4	flood	flood	VERB
ajst-10990	16	5	major	major	ADJ
ajst-10990	16	6	travel	travel	NOUN
ajst-10990	16	7	platforms	platform	NOUN
ajst-10990	16	8	,	,	PUNCT
ajst-10990	16	9	leaving	leave	VERB
ajst-10990	16	10	tourists	tourist	NOUN
ajst-10990	16	11	in	in	ADP
ajst-10990	16	12	a	a	DET
ajst-10990	16	13	dilemma	dilemma	NOUN
ajst-10990	16	14	when	when	SCONJ
ajst-10990	16	15	selecting	select	VERB
ajst-10990	16	16	souvenirs	souvenir	NOUN
ajst-10990	16	17	and	and	CCONJ
ajst-10990	16	18	specialty	specialty	NOUN
ajst-10990	16	19	products	product	NOUN
ajst-10990	16	20	from	from	ADP
ajst-10990	16	21	scenic	scenic	ADJ
ajst-10990	16	22	spots	spot	NOUN
ajst-10990	16	23	.	.	PUNCT
ajst-10990	17	1	to	to	PART
ajst-10990	17	2	address	address	VERB
ajst-10990	17	3	this	this	PRON
ajst-10990	17	4	,	,	PUNCT
ajst-10990	17	5	in	in	ADP
ajst-10990	17	6	order	order	NOUN
ajst-10990	17	7	to	to	PART
ajst-10990	17	8	meet	meet	VERB
ajst-10990	17	9	the	the	DET
ajst-10990	17	10	increasingly	increasingly	ADV
ajst-10990	17	11	urgent	urgent	ADJ
ajst-10990	17	12	and	and	CCONJ
ajst-10990	17	13	efficient	efficient	ADJ
ajst-10990	17	14	demand	demand	NOUN
ajst-10990	17	15	for	for	ADP
ajst-10990	17	16	intelligent	intelligent	ADJ
ajst-10990	17	17	travel	travel	NOUN
ajst-10990	17	18	information	information	NOUN
ajst-10990	17	19	and	and	CCONJ
ajst-10990	17	20	effectively	effectively	ADV
ajst-10990	17	21	tackle	tackle	VERB
ajst-10990	17	22	the	the	DET
ajst-10990	17	23	problem	problem	NOUN
ajst-10990	17	24	of	of	ADP
ajst-10990	17	25	information	information	NOUN
ajst-10990	17	26	overload	overload	NOUN
ajst-10990	17	27	in	in	ADP
ajst-10990	17	28	the	the	DET
ajst-10990	17	29	tourism	tourism	NOUN
ajst-10990	17	30	industry	industry	NOUN
ajst-10990	17	31	,	,	PUNCT
ajst-10990	17	32	online	online	ADJ
ajst-10990	17	33	travel	travel	NOUN
ajst-10990	17	34	service	service	NOUN
ajst-10990	17	35	platforms	platform	NOUN
ajst-10990	17	36	urgently	urgently	ADV
ajst-10990	17	37	need	need	VERB
ajst-10990	17	38	to	to	PART
ajst-10990	17	39	introduce	introduce	VERB
ajst-10990	17	40	intelligent	intelligent	ADJ
ajst-10990	17	41	and	and	CCONJ
ajst-10990	17	42	personalized	personalized	ADJ
ajst-10990	17	43	travel	travel	NOUN
ajst-10990	17	44	recommendation	recommendation	NOUN
ajst-10990	17	45	services	service	NOUN
ajst-10990	17	46	through	through	ADP
ajst-10990	17	47	continuous	continuous	ADJ
ajst-10990	17	48	technological	technological	ADJ
ajst-10990	17	49	innovation	innovation	NOUN
ajst-10990	17	50	.	.	PUNCT
ajst-10990	18	1	these	these	DET
ajst-10990	18	2	services	service	NOUN
ajst-10990	18	3	can	can	AUX
ajst-10990	18	4	provide	provide	VERB
ajst-10990	18	5	users	user	NOUN
ajst-10990	18	6	with	with	ADP
ajst-10990	18	7	more	more	ADV
ajst-10990	18	8	diverse	diverse	ADJ
ajst-10990	18	9	and	and	CCONJ
ajst-10990	18	10	effective	effective	ADJ
ajst-10990	18	11	travel	travel	NOUN
ajst-10990	18	12	information	information	NOUN
ajst-10990	18	13	and	and	CCONJ
ajst-10990	18	14	personalized	personalized	ADJ
ajst-10990	18	15	recommendations	recommendation	NOUN
ajst-10990	18	16	for	for	ADP
ajst-10990	18	17	attractions	attraction	NOUN
ajst-10990	18	18	,	,	PUNCT
ajst-10990	18	19	assisting	assist	VERB
ajst-10990	18	20	users	user	NOUN
ajst-10990	18	21	in	in	ADP
ajst-10990	18	22	decisionmaking	decisionmake	VERB
ajst-10990	18	23	and	and	CCONJ
ajst-10990	18	24	itinerary	itinerary	ADJ
ajst-10990	18	25	planning	planning	NOUN
ajst-10990	18	26	.	.	PUNCT
ajst-10990	19	1	on	on	ADP
ajst-10990	19	2	april	april	PROPN
ajst-10990	19	3	6	6	NUM
ajst-10990	19	4	,	,	PUNCT
ajst-10990	19	5	2023	2023	NUM
ajst-10990	19	6	,	,	PUNCT
ajst-10990	19	7	the	the	DET
ajst-10990	19	8	ministry	ministry	PROPN
ajst-10990	19	9	of	of	ADP
ajst-10990	19	10	culture	culture	NOUN
ajst-10990	19	11	and	and	CCONJ
ajst-10990	19	12	tourism	tourism	NOUN
ajst-10990	19	13	of	of	ADP
ajst-10990	19	14	china	china	PROPN
ajst-10990	19	15	issued	issue	VERB
ajst-10990	19	16	the	the	DET
ajst-10990	19	17	"	"	PUNCT
ajst-10990	19	18	notice	notice	NOUN
ajst-10990	19	19	on	on	ADP
ajst-10990	19	20	strengthening	strengthen	VERB
ajst-10990	19	21	the	the	DET
ajst-10990	19	22	collaborative	collaborative	ADJ
ajst-10990	19	23	innovation	innovation	NOUN
ajst-10990	19	24	and	and	CCONJ
ajst-10990	19	25	development	development	NOUN
ajst-10990	19	26	of	of	ADP
ajst-10990	19	27	5g+	5g+	DET
ajst-10990	19	28	smart	smart	ADJ
ajst-10990	19	29	tourism	tourism	NOUN
ajst-10990	19	30	.	.	PUNCT
ajst-10990	19	31	"	"	PUNCT
ajst-10990	20	1	this	this	DET
ajst-10990	20	2	initiative	initiative	NOUN
ajst-10990	20	3	was	be	AUX
ajst-10990	20	4	launched	launch	VERB
ajst-10990	20	5	to	to	PART
ajst-10990	20	6	deeply	deeply	ADV
ajst-10990	20	7	implement	implement	VERB
ajst-10990	20	8	the	the	DET
ajst-10990	20	9	"	"	PUNCT
ajst-10990	20	10	14th	14th	ADJ
ajst-10990	20	11	fiveyear	fiveyear	NOUN
ajst-10990	20	12	plan	plan	NOUN
ajst-10990	20	13	for	for	ADP
ajst-10990	20	14	national	national	ADJ
ajst-10990	20	15	economic	economic	ADJ
ajst-10990	20	16	and	and	CCONJ
ajst-10990	20	17	social	social	ADJ
ajst-10990	20	18	development	development	NOUN
ajst-10990	20	19	and	and	CCONJ
ajst-10990	20	20	the	the	DET
ajst-10990	20	21	vision	vision	NOUN
ajst-10990	20	22	2035	2035	NUM
ajst-10990	20	23	,	,	PUNCT
ajst-10990	20	24	"	"	PUNCT
ajst-10990	20	25	"	"	PUNCT
ajst-10990	20	26	14th	14th	ADJ
ajst-10990	20	27	five	five	NUM
ajst-10990	20	28	-	-	PUNCT
ajst-10990	20	29	year	year	NOUN
ajst-10990	20	30	plan	plan	NOUN
ajst-10990	20	31	for	for	ADP
ajst-10990	20	32	the	the	DET
ajst-10990	20	33	development	development	NOUN
ajst-10990	20	34	of	of	ADP
ajst-10990	20	35	the	the	DET
ajst-10990	20	36	information	information	NOUN
ajst-10990	20	37	and	and	CCONJ
ajst-10990	20	38	communication	communication	NOUN
ajst-10990	20	39	industry	industry	NOUN
ajst-10990	20	40	,	,	PUNCT
ajst-10990	20	41	"	"	PUNCT
ajst-10990	20	42	"	"	PUNCT
ajst-10990	20	43	14th	14th	ADJ
ajst-10990	20	44	five	five	NUM
ajst-10990	20	45	-	-	PUNCT
ajst-10990	20	46	year	year	NOUN
ajst-10990	20	47	plan	plan	NOUN
ajst-10990	20	48	for	for	ADP
ajst-10990	20	49	the	the	DET
ajst-10990	20	50	development	development	NOUN
ajst-10990	20	51	of	of	ADP
ajst-10990	20	52	the	the	DET
ajst-10990	20	53	tourism	tourism	NOUN
ajst-10990	20	54	industry	industry	NOUN
ajst-10990	20	55	,	,	PUNCT
ajst-10990	20	56	"	"	PUNCT
ajst-10990	20	57	"	"	PUNCT
ajst-10990	20	58	5	5	NUM
ajst-10990	20	59	g	g	NOUN
ajst-10990	20	60	application	application	NOUN
ajst-10990	20	61	'	'	PUNCT
ajst-10990	20	62	sailing	sailing	NOUN
ajst-10990	20	63	'	'	PUNCT
ajst-10990	20	64	action	action	NOUN
ajst-10990	20	65	plan	plan	NOUN
ajst-10990	20	66	(	(	PUNCT
ajst-10990	20	67	2021	2021	NUM
ajst-10990	20	68	-	-	SYM
ajst-10990	20	69	2023	2023	NUM
ajst-10990	20	70	)	)	PUNCT
ajst-10990	20	71	,	,	PUNCT
ajst-10990	20	72	"	"	PUNCT
ajst-10990	20	73	and	and	CCONJ
ajst-10990	20	74	the	the	DET
ajst-10990	20	75	"	"	PUNCT
ajst-10990	20	76	opinions	opinion	NOUN
ajst-10990	20	77	on	on	ADP
ajst-10990	20	78	deepening	deepen	VERB
ajst-10990	20	79	'	'	PUNCT
ajst-10990	20	80	internet	internet	NOUN
ajst-10990	20	81	+	+	CCONJ
ajst-10990	20	82	tourism	tourism	NOUN
ajst-10990	20	83	'	'	PUNCT
ajst-10990	20	84	to	to	PART
ajst-10990	20	85	promote	promote	VERB
ajst-10990	20	86	high	high	ADJ
ajst-10990	20	87	-	-	PUNCT
ajst-10990	20	88	quality	quality	NOUN
ajst-10990	20	89	development	development	NOUN
ajst-10990	20	90	of	of	ADP
ajst-10990	20	91	the	the	DET
ajst-10990	20	92	tourism	tourism	NOUN
ajst-10990	20	93	industry	industry	NOUN
ajst-10990	20	94	.	.	PUNCT
ajst-10990	21	1	"the	"the	DET
ajst-10990	21	2	goal	goal	NOUN
ajst-10990	21	3	of	of	ADP
ajst-10990	21	4	this	this	DET
ajst-10990	21	5	notice	notice	NOUN
ajst-10990	21	6	is	be	AUX
ajst-10990	21	7	to	to	PART
ajst-10990	21	8	promote	promote	VERB
ajst-10990	21	9	the	the	DET
ajst-10990	21	10	innovative	innovative	ADJ
ajst-10990	21	11	application	application	NOUN
ajst-10990	21	12	of	of	ADP
ajst-10990	21	13	5	5	NUM
ajst-10990	21	14	g	g	NOUN
ajst-10990	21	15	technology	technology	NOUN
ajst-10990	21	16	in	in	ADP
ajst-10990	21	17	the	the	DET
ajst-10990	21	18	tourism	tourism	NOUN
ajst-10990	21	19	industry	industry	NOUN
ajst-10990	21	20	,	,	PUNCT
ajst-10990	21	21	encouraging	encourage	VERB
ajst-10990	21	22	market	market	NOUN
ajst-10990	21	23	entities	entity	NOUN
ajst-10990	21	24	to	to	PART
ajst-10990	21	25	explore	explore	VERB
ajst-10990	21	26	5	5	NUM
ajst-10990	21	27	g	g	NOUN
ajst-10990	21	28	integration	integration	NOUN
ajst-10990	21	29	and	and	CCONJ
ajst-10990	21	30	innovation	innovation	NOUN
ajst-10990	21	31	applications	application	NOUN
ajst-10990	21	32	.	.	PUNCT
ajst-10990	22	1	the	the	DET
ajst-10990	22	2	focus	focus	NOUN
ajst-10990	22	3	is	be	AUX
ajst-10990	22	4	on	on	ADP
ajst-10990	22	5	enhancing	enhance	VERB
ajst-10990	22	6	tourism	tourism	NOUN
ajst-10990	22	7	services	service	NOUN
ajst-10990	22	8	,	,	PUNCT
ajst-10990	22	9	improving	improve	VERB
ajst-10990	22	10	the	the	DET
ajst-10990	22	11	travel	travel	NOUN
ajst-10990	22	12	experience	experience	NOUN
ajst-10990	22	13	,	,	PUNCT
ajst-10990	22	14	innovating	innovate	VERB
ajst-10990	22	15	tourism	tourism	NOUN
ajst-10990	22	16	management	management	NOUN
ajst-10990	22	17	,	,	PUNCT
ajst-10990	22	18	optimizing	optimize	VERB
ajst-10990	22	19	tourism	tourism	NOUN
ajst-10990	22	20	resources	resource	NOUN
ajst-10990	22	21	,	,	PUNCT
ajst-10990	22	22	and	and	CCONJ
ajst-10990	22	23	conducting	conduct	VERB
ajst-10990	22	24	business	business	NOUN
ajst-10990	22	25	and	and	CCONJ
ajst-10990	22	26	model	model	NOUN
ajst-10990	22	27	innovations.in	innovations.in	NUM
ajst-10990	22	28	line	line	NOUN
ajst-10990	22	29	with	with	ADP
ajst-10990	22	30	this	this	DET
ajst-10990	22	31	initiative	initiative	NOUN
ajst-10990	22	32	,	,	PUNCT
ajst-10990	22	33	efforts	effort	NOUN
ajst-10990	22	34	will	will	AUX
ajst-10990	22	35	be	be	AUX
ajst-10990	22	36	made	make	VERB
ajst-10990	22	37	to	to	PART
ajst-10990	22	38	nurture	nurture	VERB
ajst-10990	22	39	a	a	DET
ajst-10990	22	40	group	group	NOUN
ajst-10990	22	41	of	of	ADP
ajst-10990	22	42	5g+	5g+	NUM
ajst-10990	22	43	smart	smart	ADJ
ajst-10990	22	44	tourism	tourism	NOUN
ajst-10990	22	45	solution	solution	NOUN
ajst-10990	22	46	providers	provider	NOUN
ajst-10990	22	47	and	and	CCONJ
ajst-10990	22	48	innovative	innovative	ADJ
ajst-10990	22	49	enterprises	enterprise	NOUN
ajst-10990	22	50	.	.	PUNCT
ajst-10990	23	1	this	this	PRON
ajst-10990	23	2	will	will	AUX
ajst-10990	23	3	empower	empower	VERB
ajst-10990	23	4	the	the	DET
ajst-10990	23	5	scale	scale	NOUN
ajst-10990	23	6	development	development	NOUN
ajst-10990	23	7	of	of	ADP
ajst-10990	23	8	5g+	5g+	NUM
ajst-10990	23	9	smart	smart	ADJ
ajst-10990	23	10	tourism	tourism	NOUN
ajst-10990	23	11	innovative	innovative	ADJ
ajst-10990	23	12	applications	application	NOUN
ajst-10990	23	13	.	.	PUNCT
ajst-10990	24	1	ultimately	ultimately	ADV
ajst-10990	24	2	,	,	PUNCT
ajst-10990	24	3	this	this	DET
ajst-10990	24	4	policy	policy	NOUN
ajst-10990	24	5	paves	pave	VERB
ajst-10990	24	6	the	the	DET
ajst-10990	24	7	way	way	NOUN
ajst-10990	24	8	for	for	ADP
ajst-10990	24	9	personalized	personalize	VERB
ajst-10990	24	10	smart	smart	ADJ
ajst-10990	24	11	tourism	tourism	NOUN
ajst-10990	24	12	,	,	PUNCT
ajst-10990	24	13	aiming	aim	VERB
ajst-10990	24	14	to	to	PART
ajst-10990	24	15	meet	meet	VERB
ajst-10990	24	16	the	the	DET
ajst-10990	24	17	individualized	individualized	ADJ
ajst-10990	24	18	needs	need	NOUN
ajst-10990	24	19	of	of	ADP
ajst-10990	24	20	travelers	traveler	NOUN
ajst-10990	24	21	with	with	ADP
ajst-10990	24	22	advanced	advanced	ADJ
ajst-10990	24	23	5gpowered	5gpowered	NUM
ajst-10990	24	24	solutions	solution	NOUN
ajst-10990	24	25	.	.	PUNCT
ajst-10990	25	1	user	user	NOUN
ajst-10990	25	2	profiling	profiling	NOUN
ajst-10990	25	3	refers	refer	VERB
ajst-10990	25	4	to	to	ADP
ajst-10990	25	5	the	the	DET
ajst-10990	25	6	process	process	NOUN
ajst-10990	25	7	of	of	ADP
ajst-10990	25	8	collecting	collecting	NOUN
ajst-10990	25	9	,	,	PUNCT
ajst-10990	25	10	organizing	organizing	NOUN
ajst-10990	25	11	,	,	PUNCT
ajst-10990	25	12	and	and	CCONJ
ajst-10990	25	13	analyzing	analyze	VERB
ajst-10990	25	14	various	various	ADJ
ajst-10990	25	15	data	datum	NOUN
ajst-10990	25	16	about	about	ADP
ajst-10990	25	17	users	user	NOUN
ajst-10990	25	18	to	to	PART
ajst-10990	25	19	construct	construct	VERB
ajst-10990	25	20	comprehensive	comprehensive	ADJ
ajst-10990	25	21	characteristics	characteristic	NOUN
ajst-10990	25	22	and	and	CCONJ
ajst-10990	25	23	descriptions	description	NOUN
ajst-10990	25	24	,	,	PUNCT
ajst-10990	25	25	unveiling	unveil	VERB
ajst-10990	25	26	their	their	PRON
ajst-10990	25	27	interests	interest	NOUN
ajst-10990	25	28	,	,	PUNCT
ajst-10990	25	29	preferences	preference	NOUN
ajst-10990	25	30	,	,	PUNCT
ajst-10990	25	31	behavior	behavior	NOUN
ajst-10990	25	32	patterns	pattern	NOUN
ajst-10990	25	33	,	,	PUNCT
ajst-10990	25	34	and	and	CCONJ
ajst-10990	25	35	needs[1	needs[1	NUM
ajst-10990	25	36	]	]	PUNCT
ajst-10990	25	37	.	.	PUNCT
ajst-10990	26	1	it	it	PRON
ajst-10990	26	2	serves	serve	VERB
ajst-10990	26	3	as	as	ADP
ajst-10990	26	4	a	a	DET
ajst-10990	26	5	fundamental	fundamental	ADJ
ajst-10990	26	6	cornerstone	cornerstone	NOUN
ajst-10990	26	7	for	for	ADP
ajst-10990	26	8	personalized	personalized	ADJ
ajst-10990	26	9	services	service	NOUN
ajst-10990	26	10	and	and	CCONJ
ajst-10990	26	11	decision	decision	NOUN
ajst-10990	26	12	-	-	PUNCT
ajst-10990	26	13	making	making	NOUN
ajst-10990	26	14	in	in	ADP
ajst-10990	26	15	recommendation	recommendation	NOUN
ajst-10990	26	16	systems	system	NOUN
ajst-10990	26	17	,	,	PUNCT
ajst-10990	26	18	targeted	target	VERB
ajst-10990	26	19	advertising	advertising	NOUN
ajst-10990	26	20	,	,	PUNCT
ajst-10990	26	21	and	and	CCONJ
ajst-10990	26	22	precision	precision	NOUN
ajst-10990	26	23	marketing	marketing	NOUN
ajst-10990	26	24	.	.	PUNCT
ajst-10990	27	1	the	the	DET
ajst-10990	27	2	primary	primary	ADJ
ajst-10990	27	3	objective	objective	NOUN
ajst-10990	27	4	is	be	AUX
ajst-10990	27	5	to	to	PART
ajst-10990	27	6	assist	assist	VERB
ajst-10990	27	7	businesses	business	NOUN
ajst-10990	27	8	in	in	ADP
ajst-10990	27	9	gaining	gain	VERB
ajst-10990	27	10	a	a	DET
ajst-10990	27	11	better	well	ADJ
ajst-10990	27	12	understanding	understanding	NOUN
ajst-10990	27	13	of	of	ADP
ajst-10990	27	14	their	their	PRON
ajst-10990	27	15	users	user	NOUN
ajst-10990	27	16	and	and	CCONJ
ajst-10990	27	17	providing	provide	VERB
ajst-10990	27	18	more	more	ADV
ajst-10990	27	19	personalized	personalized	ADJ
ajst-10990	27	20	and	and	CCONJ
ajst-10990	27	21	accurate	accurate	ADJ
ajst-10990	27	22	products	product	NOUN
ajst-10990	27	23	and	and	CCONJ
ajst-10990	27	24	services.on	services.on	NOUN
ajst-10990	27	25	the	the	DET
ajst-10990	27	26	other	other	ADJ
ajst-10990	27	27	hand	hand	NOUN
ajst-10990	27	28	,	,	PUNCT
ajst-10990	27	29	collaborative	collaborative	ADJ
ajst-10990	27	30	filtering	filter	VERB
ajst-10990	27	31	algorithms	algorithm	NOUN
ajst-10990	27	32	are	be	AUX
ajst-10990	27	33	a	a	DET
ajst-10990	27	34	commonly	commonly	ADV
ajst-10990	27	35	used	use	VERB
ajst-10990	27	36	category	category	NOUN
ajst-10990	27	37	of	of	ADP
ajst-10990	27	38	algorithms	algorithm	NOUN
ajst-10990	27	39	in	in	ADP
ajst-10990	27	40	recommendation	recommendation	NOUN
ajst-10990	27	41	systems[2	systems[2	PROPN
ajst-10990	27	42	]	]	PUNCT
ajst-10990	27	43	.	.	PUNCT
ajst-10990	28	1	they	they	PRON
ajst-10990	28	2	analyze	analyze	VERB
ajst-10990	28	3	user	user	NOUN
ajst-10990	28	4	behavior	behavior	NOUN
ajst-10990	28	5	and	and	CCONJ
ajst-10990	28	6	preferences	preference	NOUN
ajst-10990	28	7	to	to	PART
ajst-10990	28	8	discover	discover	VERB
ajst-10990	28	9	64	64	NUM
ajst-10990	28	10	similarities	similarity	NOUN
ajst-10990	28	11	between	between	ADP
ajst-10990	28	12	users	user	NOUN
ajst-10990	28	13	or	or	CCONJ
ajst-10990	28	14	items	item	NOUN
ajst-10990	28	15	,	,	PUNCT
ajst-10990	28	16	thereby	thereby	ADV
ajst-10990	28	17	generating	generate	VERB
ajst-10990	28	18	personalized	personalized	ADJ
ajst-10990	28	19	recommendations	recommendation	NOUN
ajst-10990	28	20	for	for	ADP
ajst-10990	28	21	users	user	NOUN
ajst-10990	28	22	.	.	PUNCT
ajst-10990	29	1	built	build	VERB
ajst-10990	29	2	on	on	ADP
ajst-10990	29	3	the	the	DET
ajst-10990	29	4	concept	concept	NOUN
ajst-10990	29	5	of	of	ADP
ajst-10990	29	6	"	"	PUNCT
ajst-10990	29	7	collective	collective	ADJ
ajst-10990	29	8	intelligence	intelligence	NOUN
ajst-10990	29	9	,	,	PUNCT
ajst-10990	29	10	"	"	PUNCT
ajst-10990	29	11	collaborative	collaborative	ADJ
ajst-10990	29	12	filtering	filtering	NOUN
ajst-10990	29	13	algorithms	algorithm	NOUN
ajst-10990	29	14	infer	infer	VERB
ajst-10990	29	15	user	user	NOUN
ajst-10990	29	16	behavior	behavior	NOUN
ajst-10990	29	17	and	and	CCONJ
ajst-10990	29	18	preferences	preference	NOUN
ajst-10990	29	19	based	base	VERB
ajst-10990	29	20	on	on	ADP
ajst-10990	29	21	the	the	DET
ajst-10990	29	22	shared	share	VERB
ajst-10990	29	23	behaviors	behavior	NOUN
ajst-10990	29	24	of	of	ADP
ajst-10990	29	25	groups	group	NOUN
ajst-10990	29	26	.	.	PUNCT
ajst-10990	30	1	through	through	ADP
ajst-10990	30	2	the	the	DET
ajst-10990	30	3	labels	label	NOUN
ajst-10990	30	4	generated	generate	VERB
ajst-10990	30	5	from	from	ADP
ajst-10990	30	6	user	user	NOUN
ajst-10990	30	7	profiling	profiling	NOUN
ajst-10990	30	8	,	,	PUNCT
ajst-10990	30	9	these	these	DET
ajst-10990	30	10	algorithms	algorithm	NOUN
ajst-10990	30	11	can	can	AUX
ajst-10990	30	12	achieve	achieve	VERB
ajst-10990	30	13	personalized	personalized	ADJ
ajst-10990	30	14	and	and	CCONJ
ajst-10990	30	15	precise	precise	ADJ
ajst-10990	30	16	product	product	NOUN
ajst-10990	30	17	recommendations	recommendation	NOUN
ajst-10990	30	18	for	for	ADP
ajst-10990	30	19	tourist	tourist	NOUN
ajst-10990	30	20	attractions[3	attractions[3	ADV
ajst-10990	30	21	]	]	PUNCT
ajst-10990	30	22	.	.	PUNCT
ajst-10990	31	1	in	in	ADP
ajst-10990	31	2	conclusion	conclusion	NOUN
ajst-10990	31	3	,	,	PUNCT
ajst-10990	31	4	this	this	DET
ajst-10990	31	5	article	article	NOUN
ajst-10990	31	6	aims	aim	VERB
ajst-10990	31	7	to	to	PART
ajst-10990	31	8	establish	establish	VERB
ajst-10990	31	9	personalized	personalized	ADJ
ajst-10990	31	10	tourism	tourism	NOUN
ajst-10990	31	11	services	service	NOUN
ajst-10990	31	12	with	with	ADP
ajst-10990	31	13	strong	strong	ADJ
ajst-10990	31	14	support	support	NOUN
ajst-10990	31	15	from	from	ADP
ajst-10990	31	16	national	national	ADJ
ajst-10990	31	17	policies	policy	NOUN
ajst-10990	31	18	.	.	PUNCT
ajst-10990	32	1	it	it	PRON
ajst-10990	32	2	lays	lay	VERB
ajst-10990	32	3	a	a	DET
ajst-10990	32	4	solid	solid	ADJ
ajst-10990	32	5	foundation	foundation	NOUN
ajst-10990	32	6	for	for	ADP
ajst-10990	32	7	the	the	DET
ajst-10990	32	8	personalized	personalized	ADJ
ajst-10990	32	9	tourism	tourism	NOUN
ajst-10990	32	10	ecosystem	ecosystem	NOUN
ajst-10990	32	11	by	by	ADP
ajst-10990	32	12	employing	employ	VERB
ajst-10990	32	13	user	user	NOUN
ajst-10990	32	14	profiling	profiling	NOUN
ajst-10990	32	15	techniques	technique	NOUN
ajst-10990	32	16	to	to	PART
ajst-10990	32	17	construct	construct	VERB
ajst-10990	32	18	user	user	NOUN
ajst-10990	32	19	models	model	NOUN
ajst-10990	32	20	and	and	CCONJ
ajst-10990	32	21	combining	combine	VERB
ajst-10990	32	22	them	they	PRON
ajst-10990	32	23	with	with	ADP
ajst-10990	32	24	collaborative	collaborative	ADJ
ajst-10990	32	25	filtering	filter	VERB
ajst-10990	32	26	algorithms	algorithm	NOUN
ajst-10990	32	27	to	to	PART
ajst-10990	32	28	create	create	VERB
ajst-10990	32	29	a	a	DET
ajst-10990	32	30	recommendation	recommendation	NOUN
ajst-10990	32	31	model	model	NOUN
ajst-10990	32	32	for	for	ADP
ajst-10990	32	33	scenic	scenic	ADJ
ajst-10990	32	34	spot	spot	NOUN
ajst-10990	32	35	specialties	specialty	NOUN
ajst-10990	32	36	.	.	PUNCT
ajst-10990	33	1	2	2	X
ajst-10990	33	2	.	.	X
ajst-10990	33	3	related	relate	VERB
ajst-10990	33	4	work	work	NOUN
ajst-10990	33	5	in	in	ADP
ajst-10990	33	6	this	this	DET
ajst-10990	33	7	chapter	chapter	NOUN
ajst-10990	33	8	we	we	PRON
ajst-10990	33	9	discuss	discuss	VERB
ajst-10990	33	10	what	what	PRON
ajst-10990	33	11	is	be	AUX
ajst-10990	33	12	user	user	NOUN
ajst-10990	33	13	portrait	portrait	NOUN
ajst-10990	33	14	and	and	CCONJ
ajst-10990	33	15	the	the	DET
ajst-10990	33	16	research	research	NOUN
ajst-10990	33	17	status	status	NOUN
ajst-10990	33	18	of	of	ADP
ajst-10990	33	19	smart	smart	ADJ
ajst-10990	33	20	tourism	tourism	NOUN
ajst-10990	33	21	and	and	CCONJ
ajst-10990	33	22	collaborative	collaborative	ADJ
ajst-10990	33	23	filtering	filtering	NOUN
ajst-10990	33	24	algorithm	algorithm	NOUN
ajst-10990	33	25	.	.	PUNCT
ajst-10990	34	1	2.1	2.1	NUM
ajst-10990	34	2	.	.	PUNCT
ajst-10990	34	3	user	user	NOUN
ajst-10990	34	4	portrait	portrait	PROPN
ajst-10990	34	5	overview	overview	VERB
ajst-10990	34	6	early	early	ADJ
ajst-10990	34	7	user	user	NOUN
ajst-10990	34	8	portraits	portrait	NOUN
ajst-10990	34	9	were	be	AUX
ajst-10990	34	10	based	base	VERB
ajst-10990	34	11	on	on	ADP
ajst-10990	34	12	traditional	traditional	ADJ
ajst-10990	34	13	market	market	NOUN
ajst-10990	34	14	research	research	NOUN
ajst-10990	34	15	and	and	CCONJ
ajst-10990	34	16	consumer	consumer	NOUN
ajst-10990	34	17	behavior	behavior	NOUN
ajst-10990	34	18	analysis	analysis	NOUN
ajst-10990	34	19	.	.	PUNCT
ajst-10990	35	1	marketers	marketer	NOUN
ajst-10990	35	2	collect	collect	VERB
ajst-10990	35	3	basic	basic	ADJ
ajst-10990	35	4	information	information	NOUN
ajst-10990	35	5	and	and	CCONJ
ajst-10990	35	6	purchase	purchase	NOUN
ajst-10990	35	7	behavior	behavior	NOUN
ajst-10990	35	8	of	of	ADP
ajst-10990	35	9	users	user	NOUN
ajst-10990	35	10	through	through	ADP
ajst-10990	35	11	telephone	telephone	NOUN
ajst-10990	35	12	surveys	survey	NOUN
ajst-10990	35	13	,	,	PUNCT
ajst-10990	35	14	mailing	mailing	NOUN
ajst-10990	35	15	questionnaires	questionnaire	NOUN
ajst-10990	35	16	,	,	PUNCT
ajst-10990	35	17	etc	etc	X
ajst-10990	35	18	.	.	X
ajst-10990	35	19	to	to	PART
ajst-10990	35	20	understand	understand	VERB
ajst-10990	35	21	user	user	NOUN
ajst-10990	35	22	needs	need	NOUN
ajst-10990	35	23	and	and	CCONJ
ajst-10990	35	24	preferences	preference	NOUN
ajst-10990	35	25	,	,	PUNCT
ajst-10990	35	26	and	and	CCONJ
ajst-10990	35	27	then	then	ADV
ajst-10990	35	28	use	use	VERB
ajst-10990	35	29	this	this	DET
ajst-10990	35	30	information	information	NOUN
ajst-10990	35	31	for	for	ADP
ajst-10990	35	32	advertising	advertising	NOUN
ajst-10990	35	33	and	and	CCONJ
ajst-10990	35	34	product	product	NOUN
ajst-10990	35	35	positioning[4	positioning[4	VERB
ajst-10990	35	36	]	]	PUNCT
ajst-10990	35	37	.	.	PUNCT
ajst-10990	36	1	with	with	ADP
ajst-10990	36	2	the	the	DET
ajst-10990	36	3	development	development	NOUN
ajst-10990	36	4	of	of	ADP
ajst-10990	36	5	the	the	DET
ajst-10990	36	6	internet	internet	NOUN
ajst-10990	36	7	and	and	CCONJ
ajst-10990	36	8	digital	digital	ADJ
ajst-10990	36	9	technology	technology	NOUN
ajst-10990	36	10	,	,	PUNCT
ajst-10990	36	11	user	user	NOUN
ajst-10990	36	12	portraits	portrait	NOUN
ajst-10990	36	13	have	have	AUX
ajst-10990	36	14	entered	enter	VERB
ajst-10990	36	15	a	a	DET
ajst-10990	36	16	new	new	ADJ
ajst-10990	36	17	stage	stage	NOUN
ajst-10990	36	18	.	.	PUNCT
ajst-10990	37	1	the	the	DET
ajst-10990	37	2	popularity	popularity	NOUN
ajst-10990	37	3	of	of	ADP
ajst-10990	37	4	the	the	DET
ajst-10990	37	5	internet	internet	NOUN
ajst-10990	37	6	has	have	AUX
ajst-10990	37	7	made	make	VERB
ajst-10990	37	8	it	it	PRON
ajst-10990	37	9	possible	possible	ADJ
ajst-10990	37	10	to	to	PART
ajst-10990	37	11	obtain	obtain	VERB
ajst-10990	37	12	a	a	DET
ajst-10990	37	13	large	large	ADJ
ajst-10990	37	14	amount	amount	NOUN
ajst-10990	37	15	of	of	ADP
ajst-10990	37	16	user	user	NOUN
ajst-10990	37	17	behavior	behavior	NOUN
ajst-10990	37	18	data	datum	NOUN
ajst-10990	37	19	,	,	PUNCT
ajst-10990	37	20	such	such	ADJ
ajst-10990	37	21	as	as	ADP
ajst-10990	37	22	users	user	NOUN
ajst-10990	37	23	'	'	PART
ajst-10990	37	24	browsing	browse	VERB
ajst-10990	37	25	records	record	NOUN
ajst-10990	37	26	on	on	ADP
ajst-10990	37	27	websites	website	NOUN
ajst-10990	37	28	,	,	PUNCT
ajst-10990	37	29	click	click	VERB
ajst-10990	37	30	behaviors	behavior	NOUN
ajst-10990	37	31	,	,	PUNCT
ajst-10990	37	32	search	search	NOUN
ajst-10990	37	33	habits	habit	NOUN
ajst-10990	37	34	,	,	PUNCT
ajst-10990	37	35	etc	etc	X
ajst-10990	37	36	.	.	X
ajst-10990	38	1	these	these	DET
ajst-10990	38	2	data	datum	NOUN
ajst-10990	38	3	provide	provide	VERB
ajst-10990	38	4	more	more	ADJ
ajst-10990	38	5	dimensional	dimensional	ADJ
ajst-10990	38	6	features	feature	NOUN
ajst-10990	38	7	for	for	ADP
ajst-10990	38	8	user	user	NOUN
ajst-10990	38	9	portraits[5	portraits[5	PROPN
ajst-10990	38	10	]	]	PUNCT
ajst-10990	38	11	.	.	PUNCT
ajst-10990	39	1	the	the	DET
ajst-10990	39	2	rise	rise	NOUN
ajst-10990	39	3	of	of	ADP
ajst-10990	39	4	machine	machine	NOUN
ajst-10990	39	5	learning	learning	NOUN
ajst-10990	39	6	and	and	CCONJ
ajst-10990	39	7	big	big	ADJ
ajst-10990	39	8	data	datum	NOUN
ajst-10990	39	9	technology	technology	NOUN
ajst-10990	39	10	has	have	AUX
ajst-10990	39	11	made	make	VERB
ajst-10990	39	12	the	the	DET
ajst-10990	39	13	modeling	modeling	NOUN
ajst-10990	39	14	and	and	CCONJ
ajst-10990	39	15	analysis	analysis	NOUN
ajst-10990	39	16	of	of	ADP
ajst-10990	39	17	user	user	NOUN
ajst-10990	39	18	portraits	portrait	NOUN
ajst-10990	39	19	more	more	ADV
ajst-10990	39	20	efficient	efficient	ADJ
ajst-10990	39	21	and	and	CCONJ
ajst-10990	39	22	accurate	accurate	ADJ
ajst-10990	39	23	.	.	PUNCT
ajst-10990	40	1	by	by	ADP
ajst-10990	40	2	using	use	VERB
ajst-10990	40	3	various	various	ADJ
ajst-10990	40	4	machine	machine	NOUN
ajst-10990	40	5	learning	learn	VERB
ajst-10990	40	6	algorithms	algorithm	NOUN
ajst-10990	40	7	and	and	CCONJ
ajst-10990	40	8	models	model	NOUN
ajst-10990	40	9	,	,	PUNCT
ajst-10990	40	10	users	user	NOUN
ajst-10990	40	11	'	'	PART
ajst-10990	40	12	interests	interest	NOUN
ajst-10990	40	13	and	and	CCONJ
ajst-10990	40	14	behavior	behavior	NOUN
ajst-10990	40	15	patterns	pattern	NOUN
ajst-10990	40	16	can	can	AUX
ajst-10990	40	17	be	be	AUX
ajst-10990	40	18	automatically	automatically	ADV
ajst-10990	40	19	learned	learn	VERB
ajst-10990	40	20	from	from	ADP
ajst-10990	40	21	massive	massive	ADJ
ajst-10990	40	22	data	datum	NOUN
ajst-10990	40	23	,	,	PUNCT
ajst-10990	40	24	so	so	SCONJ
ajst-10990	40	25	as	as	SCONJ
ajst-10990	40	26	to	to	PART
ajst-10990	40	27	construct	construct	VERB
ajst-10990	40	28	user	user	NOUN
ajst-10990	40	29	portraits	portrait	NOUN
ajst-10990	40	30	more	more	ADV
ajst-10990	40	31	accurately	accurately	ADV
ajst-10990	40	32	.	.	PUNCT
ajst-10990	41	1	in	in	ADP
ajst-10990	41	2	recent	recent	ADJ
ajst-10990	41	3	years	year	NOUN
ajst-10990	41	4	,	,	PUNCT
ajst-10990	41	5	the	the	DET
ajst-10990	41	6	development	development	NOUN
ajst-10990	41	7	of	of	ADP
ajst-10990	41	8	deep	deep	ADJ
ajst-10990	41	9	learning	learning	NOUN
ajst-10990	41	10	technology	technology	NOUN
ajst-10990	41	11	has	have	AUX
ajst-10990	41	12	further	far	ADV
ajst-10990	41	13	promoted	promote	VERB
ajst-10990	41	14	the	the	DET
ajst-10990	41	15	evolution	evolution	NOUN
ajst-10990	41	16	of	of	ADP
ajst-10990	41	17	user	user	NOUN
ajst-10990	41	18	portraits	portrait	NOUN
ajst-10990	41	19	.	.	PUNCT
ajst-10990	42	1	deep	deep	ADJ
ajst-10990	42	2	learning	learning	NOUN
ajst-10990	42	3	can	can	AUX
ajst-10990	42	4	process	process	VERB
ajst-10990	42	5	more	more	ADJ
ajst-10990	42	6	complex	complex	ADJ
ajst-10990	42	7	user	user	NOUN
ajst-10990	42	8	behavior	behavior	NOUN
ajst-10990	42	9	data	datum	NOUN
ajst-10990	42	10	and	and	CCONJ
ajst-10990	42	11	text	text	NOUN
ajst-10990	42	12	content	content	NOUN
ajst-10990	42	13	,	,	PUNCT
ajst-10990	42	14	and	and	CCONJ
ajst-10990	42	15	extract	extract	VERB
ajst-10990	42	16	deeper	deep	ADJ
ajst-10990	42	17	user	user	NOUN
ajst-10990	42	18	characteristics	characteristic	NOUN
ajst-10990	42	19	,	,	PUNCT
ajst-10990	42	20	so	so	SCONJ
ajst-10990	42	21	as	as	SCONJ
ajst-10990	42	22	to	to	PART
ajst-10990	42	23	achieve	achieve	VERB
ajst-10990	42	24	higher	high	ADJ
ajst-10990	42	25	levels	level	NOUN
ajst-10990	42	26	of	of	ADP
ajst-10990	42	27	personalized	personalized	ADJ
ajst-10990	42	28	recommendation	recommendation	NOUN
ajst-10990	42	29	and	and	CCONJ
ajst-10990	42	30	precision	precision	NOUN
ajst-10990	42	31	marketing[6	marketing[6	NOUN
ajst-10990	42	32	]	]	X
ajst-10990	42	33	.	.	PUNCT
ajst-10990	43	1	2.2	2.2	NUM
ajst-10990	43	2	.	.	PUNCT
ajst-10990	44	1	research	research	NOUN
ajst-10990	44	2	status	status	NOUN
ajst-10990	44	3	of	of	ADP
ajst-10990	44	4	collaborative	collaborative	ADJ
ajst-10990	44	5	filtering	filtering	NOUN
ajst-10990	44	6	algorithm	algorithm	NOUN
ajst-10990	44	7	in	in	ADP
ajst-10990	44	8	1992	1992	NUM
ajst-10990	44	9	,	,	PUNCT
ajst-10990	44	10	paul	paul	PROPN
ajst-10990	44	11	resnick	resnick	PROPN
ajst-10990	44	12	and	and	CCONJ
ajst-10990	44	13	others	other	NOUN
ajst-10990	44	14	proposed	propose	VERB
ajst-10990	44	15	an	an	DET
ajst-10990	44	16	early	early	ADJ
ajst-10990	44	17	collaborative	collaborative	ADJ
ajst-10990	44	18	filtering	filter	VERB
ajst-10990	44	19	algorithm	algorithm	NOUN
ajst-10990	44	20	and	and	CCONJ
ajst-10990	44	21	applied	apply	VERB
ajst-10990	44	22	it	it	PRON
ajst-10990	44	23	to	to	ADP
ajst-10990	44	24	the	the	DET
ajst-10990	44	25	recommendation	recommendation	NOUN
ajst-10990	44	26	of	of	ADP
ajst-10990	44	27	usenet	usenet	NOUN
ajst-10990	44	28	newsgroups	newsgroup	NOUN
ajst-10990	44	29	.	.	PUNCT
ajst-10990	45	1	based	base	VERB
ajst-10990	45	2	on	on	ADP
ajst-10990	45	3	the	the	DET
ajst-10990	45	4	similarity	similarity	NOUN
ajst-10990	45	5	between	between	ADP
ajst-10990	45	6	users	user	NOUN
ajst-10990	45	7	,	,	PUNCT
ajst-10990	45	8	this	this	DET
ajst-10990	45	9	method	method	NOUN
ajst-10990	45	10	recommends	recommend	VERB
ajst-10990	45	11	items	item	NOUN
ajst-10990	45	12	that	that	PRON
ajst-10990	45	13	are	be	AUX
ajst-10990	45	14	liked	like	VERB
ajst-10990	45	15	by	by	ADP
ajst-10990	45	16	similar	similar	ADJ
ajst-10990	45	17	users	user	NOUN
ajst-10990	45	18	,	,	PUNCT
ajst-10990	45	19	thereby	thereby	ADV
ajst-10990	45	20	realizing	realize	VERB
ajst-10990	45	21	personalized	personalized	ADJ
ajst-10990	45	22	recommendation[7	recommendation[7	NOUN
ajst-10990	45	23	]	]	PUNCT
ajst-10990	45	24	.	.	PUNCT
ajst-10990	46	1	subsequently	subsequently	ADV
ajst-10990	46	2	,	,	PUNCT
ajst-10990	46	3	the	the	DET
ajst-10990	46	4	collaborative	collaborative	ADJ
ajst-10990	46	5	filtering	filtering	NOUN
ajst-10990	46	6	algorithm	algorithm	NOUN
ajst-10990	46	7	has	have	AUX
ajst-10990	46	8	received	receive	VERB
ajst-10990	46	9	extensive	extensive	ADJ
ajst-10990	46	10	attention	attention	NOUN
ajst-10990	46	11	and	and	CCONJ
ajst-10990	46	12	research	research	NOUN
ajst-10990	46	13	,	,	PUNCT
ajst-10990	46	14	which	which	PRON
ajst-10990	46	15	has	have	AUX
ajst-10990	46	16	triggered	trigger	VERB
ajst-10990	46	17	an	an	DET
ajst-10990	46	18	upsurge	upsurge	NOUN
ajst-10990	46	19	in	in	ADP
ajst-10990	46	20	the	the	DET
ajst-10990	46	21	field	field	NOUN
ajst-10990	46	22	of	of	ADP
ajst-10990	46	23	recommendation	recommendation	NOUN
ajst-10990	46	24	systems	system	NOUN
ajst-10990	46	25	.	.	PUNCT
ajst-10990	47	1	researchers	researcher	NOUN
ajst-10990	47	2	have	have	AUX
ajst-10990	47	3	proposed	propose	VERB
ajst-10990	47	4	various	various	ADJ
ajst-10990	47	5	improvements	improvement	NOUN
ajst-10990	47	6	and	and	CCONJ
ajst-10990	47	7	extensions	extension	NOUN
ajst-10990	47	8	,	,	PUNCT
ajst-10990	47	9	including	include	VERB
ajst-10990	47	10	item	item	NOUN
ajst-10990	47	11	-	-	PUNCT
ajst-10990	47	12	based	base	VERB
ajst-10990	47	13	collaborative	collaborative	ADJ
ajst-10990	47	14	filtering	filtering	NOUN
ajst-10990	47	15	,	,	PUNCT
ajst-10990	47	16	latent	latent	ADJ
ajst-10990	47	17	semantic	semantic	ADJ
ajst-10990	47	18	models	model	NOUN
ajst-10990	47	19	,	,	PUNCT
ajst-10990	47	20	matrix	matrix	NOUN
ajst-10990	47	21	factorization	factorization	NOUN
ajst-10990	47	22	,	,	PUNCT
ajst-10990	47	23	etc	etc	X
ajst-10990	47	24	.	.	X
ajst-10990	47	25	,	,	PUNCT
ajst-10990	47	26	to	to	PART
ajst-10990	47	27	improve	improve	VERB
ajst-10990	47	28	the	the	DET
ajst-10990	47	29	accuracy	accuracy	NOUN
ajst-10990	47	30	and	and	CCONJ
ajst-10990	47	31	efficiency	efficiency	NOUN
ajst-10990	47	32	of	of	ADP
ajst-10990	47	33	recommendations	recommendation	NOUN
ajst-10990	47	34	.	.	PUNCT
ajst-10990	48	1	in	in	ADP
ajst-10990	48	2	the	the	DET
ajst-10990	48	3	recommendation	recommendation	NOUN
ajst-10990	48	4	algorithm	algorithm	NOUN
ajst-10990	48	5	competition	competition	NOUN
ajst-10990	48	6	held	hold	VERB
ajst-10990	48	7	by	by	ADP
ajst-10990	48	8	netflix	netflix	PROPN
ajst-10990	48	9	in	in	ADP
ajst-10990	48	10	2006	2006	NUM
ajst-10990	48	11	,	,	PUNCT
ajst-10990	48	12	the	the	DET
ajst-10990	48	13	famous	famous	ADJ
ajst-10990	48	14	matrix	matrix	NOUN
ajst-10990	48	15	factorization	factorization	NOUN
ajst-10990	48	16	algorithm	algorithm	NOUN
ajst-10990	48	17	(	(	PUNCT
ajst-10990	48	18	matrix	matrix	NOUN
ajst-10990	48	19	factorization	factorization	NOUN
ajst-10990	48	20	)	)	PUNCT
ajst-10990	48	21	made	make	VERB
ajst-10990	48	22	a	a	DET
ajst-10990	48	23	significant	significant	ADJ
ajst-10990	48	24	breakthrough	breakthrough	NOUN
ajst-10990	48	25	in	in	ADP
ajst-10990	48	26	the	the	DET
ajst-10990	48	27	collaborative	collaborative	ADJ
ajst-10990	48	28	filtering	filtering	NOUN
ajst-10990	48	29	algorithm	algorithm	NOUN
ajst-10990	48	30	,	,	PUNCT
ajst-10990	48	31	making	make	VERB
ajst-10990	48	32	the	the	DET
ajst-10990	48	33	collaborative	collaborative	ADJ
ajst-10990	48	34	filtering	filter	VERB
ajst-10990	48	35	algorithm	algorithm	NOUN
ajst-10990	48	36	more	more	ADV
ajst-10990	48	37	mature	mature	ADJ
ajst-10990	48	38	and	and	CCONJ
ajst-10990	48	39	practical	practical	ADJ
ajst-10990	48	40	.	.	PUNCT
ajst-10990	49	1	in	in	ADP
ajst-10990	49	2	the	the	DET
ajst-10990	49	3	application	application	NOUN
ajst-10990	49	4	of	of	ADP
ajst-10990	49	5	collaborative	collaborative	ADJ
ajst-10990	49	6	filtering	filtering	NOUN
ajst-10990	49	7	algorithm	algorithm	NOUN
ajst-10990	49	8	,	,	PUNCT
ajst-10990	49	9	gao	gao	PROPN
ajst-10990	49	10	chaomeng	chaomeng	PROPN
ajst-10990	49	11	and	and	CCONJ
ajst-10990	49	12	wang	wang	PROPN
ajst-10990	49	13	yonggang[8	yonggang[8	PROPN
ajst-10990	49	14	]	]	PUNCT
ajst-10990	49	15	used	use	VERB
ajst-10990	49	16	collaborative	collaborative	ADJ
ajst-10990	49	17	filtering	filter	VERB
ajst-10990	49	18	algorithm	algorithm	NOUN
ajst-10990	49	19	to	to	PART
ajst-10990	49	20	analyze	analyze	VERB
ajst-10990	49	21	and	and	CCONJ
ajst-10990	49	22	study	study	VERB
ajst-10990	49	23	brand	brand	PROPN
ajst-10990	49	24	visual	visual	ADJ
ajst-10990	49	25	design	design	NOUN
ajst-10990	49	26	in	in	ADP
ajst-10990	49	27	order	order	NOUN
ajst-10990	49	28	to	to	PART
ajst-10990	49	29	improve	improve	VERB
ajst-10990	49	30	their	their	PRON
ajst-10990	49	31	own	own	ADJ
ajst-10990	49	32	brand	brand	NOUN
ajst-10990	49	33	building	building	NOUN
ajst-10990	49	34	level	level	NOUN
ajst-10990	49	35	,	,	PUNCT
ajst-10990	49	36	and	and	CCONJ
ajst-10990	49	37	proposed	propose	VERB
ajst-10990	49	38	a	a	DET
ajst-10990	49	39	collaborative	collaborative	ADJ
ajst-10990	49	40	filtering	filter	VERB
ajst-10990	49	41	algorithm	algorithm	NOUN
ajst-10990	49	42	to	to	PART
ajst-10990	49	43	analyze	analyze	VERB
ajst-10990	49	44	the	the	DET
ajst-10990	49	45	visual	visual	ADJ
ajst-10990	49	46	design	design	NOUN
ajst-10990	49	47	of	of	ADP
ajst-10990	49	48	corporate	corporate	ADJ
ajst-10990	49	49	brands	brand	NOUN
ajst-10990	49	50	due	due	ADP
ajst-10990	49	51	to	to	ADP
ajst-10990	49	52	the	the	DET
ajst-10990	49	53	low	low	ADJ
ajst-10990	49	54	accuracy	accuracy	NOUN
ajst-10990	49	55	of	of	ADP
ajst-10990	49	56	general	general	ADJ
ajst-10990	49	57	recommendation	recommendation	NOUN
ajst-10990	49	58	.	.	PUNCT
ajst-10990	50	1	communicate	communicate	VERB
ajst-10990	50	2	the	the	DET
ajst-10990	50	3	design	design	NOUN
ajst-10990	50	4	process	process	NOUN
ajst-10990	50	5	.	.	PUNCT
ajst-10990	51	1	quickly	quickly	ADV
ajst-10990	51	2	find	find	VERB
ajst-10990	51	3	the	the	DET
ajst-10990	51	4	books	book	NOUN
ajst-10990	51	5	you	you	PRON
ajst-10990	51	6	want	want	VERB
ajst-10990	51	7	,	,	PUNCT
ajst-10990	51	8	and	and	CCONJ
ajst-10990	51	9	propose	propose	VERB
ajst-10990	51	10	a	a	DET
ajst-10990	51	11	book	book	NOUN
ajst-10990	51	12	recommendation	recommendation	NOUN
ajst-10990	51	13	algorithm	algorithm	NOUN
ajst-10990	51	14	based	base	VERB
ajst-10990	51	15	on	on	ADP
ajst-10990	51	16	collaborative	collaborative	ADJ
ajst-10990	51	17	filtering	filtering	NOUN
ajst-10990	51	18	.	.	PUNCT
ajst-10990	52	1	wang	wang	PROPN
ajst-10990	52	2	,	,	PUNCT
ajst-10990	52	3	zhi	zhi	PROPN
ajst-10990	52	4	hui	hui	PROPN
ajst-10990	52	5	and	and	CCONJ
ajst-10990	52	6	hou	hou	PROPN
ajst-10990	52	7	,	,	PUNCT
ajst-10990	52	8	de	de	X
ajst-10990	52	9	zhi[9	zhi[9	X
ajst-10990	52	10	]	]	PUNCT
ajst-10990	52	11	take	take	VERB
ajst-10990	52	12	the	the	DET
ajst-10990	52	13	interestingness	interestingness	NOUN
ajst-10990	52	14	of	of	ADP
ajst-10990	52	15	the	the	DET
ajst-10990	52	16	book	book	NOUN
ajst-10990	52	17	itself	itself	PRON
ajst-10990	52	18	as	as	ADP
ajst-10990	52	19	an	an	DET
ajst-10990	52	20	important	important	ADJ
ajst-10990	52	21	measurement	measurement	NOUN
ajst-10990	52	22	index	index	NOUN
ajst-10990	52	23	,	,	PUNCT
ajst-10990	52	24	including	include	VERB
ajst-10990	52	25	search	search	NOUN
ajst-10990	52	26	times	time	NOUN
ajst-10990	52	27	,	,	PUNCT
ajst-10990	52	28	borrowing	borrowing	NOUN
ajst-10990	52	29	time	time	NOUN
ajst-10990	52	30	,	,	PUNCT
ajst-10990	52	31	borrowing	borrowing	NOUN
ajst-10990	52	32	times	time	NOUN
ajst-10990	52	33	,	,	PUNCT
ajst-10990	52	34	borrowing	borrowing	NOUN
ajst-10990	52	35	intervals	interval	NOUN
ajst-10990	52	36	,	,	PUNCT
ajst-10990	52	37	renewal	renewal	NOUN
ajst-10990	52	38	times	time	NOUN
ajst-10990	52	39	,	,	PUNCT
ajst-10990	52	40	etc	etc	X
ajst-10990	52	41	.	.	X
ajst-10990	52	42	to	to	PART
ajst-10990	52	43	improve	improve	VERB
ajst-10990	52	44	the	the	DET
ajst-10990	52	45	search	search	NOUN
ajst-10990	52	46	rate	rate	NOUN
ajst-10990	52	47	.	.	PUNCT
ajst-10990	53	1	wang	wang	PROPN
ajst-10990	53	2	,	,	PUNCT
ajst-10990	53	3	tianyu	tianyu	PROPN
ajst-10990	53	4	and	and	CCONJ
ajst-10990	53	5	ge	ge	PROPN
ajst-10990	53	6	,	,	PUNCT
ajst-10990	53	7	dong[10	dong[10	PROPN
ajst-10990	53	8	]	]	PUNCT
ajst-10990	53	9	built	build	VERB
ajst-10990	53	10	a	a	DET
ajst-10990	53	11	recommendation	recommendation	NOUN
ajst-10990	53	12	system	system	NOUN
ajst-10990	53	13	based	base	VERB
ajst-10990	53	14	on	on	ADP
ajst-10990	53	15	a	a	DET
ajst-10990	53	16	collaborative	collaborative	ADJ
ajst-10990	53	17	filtering	filter	VERB
ajst-10990	53	18	multi	multi	ADJ
ajst-10990	53	19	-	-	ADJ
ajst-10990	53	20	dimensional	dimensional	ADJ
ajst-10990	53	21	hybrid	hybrid	ADJ
ajst-10990	53	22	algorithm	algorithm	NOUN
ajst-10990	53	23	to	to	PART
ajst-10990	53	24	find	find	VERB
ajst-10990	53	25	,	,	PUNCT
ajst-10990	53	26	analyze	analyze	VERB
ajst-10990	53	27	and	and	CCONJ
ajst-10990	53	28	recommend	recommend	VERB
ajst-10990	53	29	online	online	ADJ
ajst-10990	53	30	chinese	chinese	ADJ
ajst-10990	53	31	learning	learn	VERB
ajst-10990	53	32	resources	resource	NOUN
ajst-10990	53	33	that	that	PRON
ajst-10990	53	34	meet	meet	VERB
ajst-10990	53	35	the	the	DET
ajst-10990	53	36	needs	need	NOUN
ajst-10990	53	37	of	of	ADP
ajst-10990	53	38	learners	learner	NOUN
ajst-10990	53	39	and	and	CCONJ
ajst-10990	53	40	teachers	teacher	NOUN
ajst-10990	53	41	.	.	PUNCT
ajst-10990	54	1	2.3	2.3	NUM
ajst-10990	54	2	.	.	PUNCT
ajst-10990	54	3	application	application	NOUN
ajst-10990	54	4	of	of	ADP
ajst-10990	54	5	collaborative	collaborative	ADJ
ajst-10990	54	6	filtering	filtering	NOUN
ajst-10990	54	7	algorithm	algorithm	NOUN
ajst-10990	54	8	in	in	ADP
ajst-10990	54	9	smart	smart	ADJ
ajst-10990	54	10	tourism	tourism	NOUN
ajst-10990	54	11	in	in	ADP
ajst-10990	54	12	terms	term	NOUN
ajst-10990	54	13	of	of	ADP
ajst-10990	54	14	collaborative	collaborative	ADJ
ajst-10990	54	15	filtering	filtering	NOUN
ajst-10990	54	16	applied	apply	VERB
ajst-10990	54	17	to	to	ADP
ajst-10990	54	18	smart	smart	ADJ
ajst-10990	54	19	tourism	tourism	NOUN
ajst-10990	54	20	,	,	PUNCT
ajst-10990	54	21	in	in	ADP
ajst-10990	54	22	order	order	NOUN
ajst-10990	54	23	to	to	PART
ajst-10990	54	24	find	find	VERB
ajst-10990	54	25	one	one	NUM
ajst-10990	54	26	’s	’s	PART
ajst-10990	54	27	favorite	favorite	ADJ
ajst-10990	54	28	spots	spot	NOUN
ajst-10990	54	29	in	in	ADP
ajst-10990	54	30	a	a	DET
ajst-10990	54	31	large	large	ADJ
ajst-10990	54	32	number	number	NOUN
ajst-10990	54	33	of	of	ADP
ajst-10990	54	34	tourist	tourist	NOUN
ajst-10990	54	35	attractions	attraction	NOUN
ajst-10990	54	36	,	,	PUNCT
ajst-10990	54	37	niu	niu	PROPN
ajst-10990	54	38	,	,	PUNCT
ajst-10990	54	39	tianjiao	tianjiao	NOUN
ajst-10990	54	40	,	,	PUNCT
ajst-10990	54	41	song	song	NOUN
ajst-10990	54	42	,	,	PUNCT
ajst-10990	54	43	mei	mei	PROPN
ajst-10990	54	44	,	,	PUNCT
ajst-10990	54	45	etc.[11	etc.[11	CCONJ
ajst-10990	54	46	]	]	PUNCT
ajst-10990	54	47	have	have	AUX
ajst-10990	54	48	improved	improve	VERB
ajst-10990	54	49	the	the	DET
ajst-10990	54	50	collaborative	collaborative	ADJ
ajst-10990	54	51	filtering	filtering	NOUN
ajst-10990	54	52	algorithm	algorithm	NOUN
ajst-10990	54	53	based	base	VERB
ajst-10990	54	54	on	on	ADP
ajst-10990	54	55	the	the	DET
ajst-10990	54	56	low	low	ADJ
ajst-10990	54	57	accuracy	accuracy	NOUN
ajst-10990	54	58	of	of	ADP
ajst-10990	54	59	recommendation	recommendation	NOUN
ajst-10990	54	60	considering	consider	VERB
ajst-10990	54	61	changes	change	NOUN
ajst-10990	54	62	in	in	ADP
ajst-10990	54	63	user	user	NOUN
ajst-10990	54	64	interests	interest	NOUN
ajst-10990	54	65	.	.	PUNCT
ajst-10990	55	1	the	the	DET
ajst-10990	55	2	time	time	NOUN
ajst-10990	55	3	function	function	NOUN
ajst-10990	55	4	of	of	ADP
ajst-10990	55	5	ebbinghaus	ebbinghaus	NOUN
ajst-10990	55	6	'	'	PUNCT
ajst-10990	55	7	law	law	NOUN
ajst-10990	55	8	of	of	ADP
ajst-10990	55	9	forgetting	forget	VERB
ajst-10990	55	10	is	be	AUX
ajst-10990	55	11	used	use	VERB
ajst-10990	55	12	to	to	PART
ajst-10990	55	13	calculate	calculate	VERB
ajst-10990	55	14	the	the	DET
ajst-10990	55	15	user	user	NOUN
ajst-10990	55	16	similarity	similarity	NOUN
ajst-10990	55	17	to	to	PART
ajst-10990	55	18	ensure	ensure	VERB
ajst-10990	55	19	the	the	DET
ajst-10990	55	20	accuracy	accuracy	NOUN
ajst-10990	55	21	of	of	ADP
ajst-10990	55	22	the	the	DET
ajst-10990	55	23	recommendation	recommendation	NOUN
ajst-10990	55	24	.	.	PUNCT
ajst-10990	56	1	wang	wang	PROPN
ajst-10990	56	2	and	and	CCONJ
ajst-10990	56	3	zhonghua[12	zhonghua[12	PROPN
ajst-10990	56	4	]	]	PUNCT
ajst-10990	56	5	proposed	propose	VERB
ajst-10990	56	6	that	that	SCONJ
ajst-10990	56	7	the	the	DET
ajst-10990	56	8	intelligent	intelligent	ADJ
ajst-10990	56	9	recommendation	recommendation	NOUN
ajst-10990	56	10	model	model	NOUN
ajst-10990	56	11	of	of	ADP
ajst-10990	56	12	tourist	tourist	NOUN
ajst-10990	56	13	destinations	destination	NOUN
ajst-10990	56	14	requires	require	VERB
ajst-10990	56	15	an	an	DET
ajst-10990	56	16	algorithm	algorithm	NOUN
ajst-10990	56	17	that	that	PRON
ajst-10990	56	18	can	can	AUX
ajst-10990	56	19	accurately	accurately	ADV
ajst-10990	56	20	recommend	recommend	VERB
ajst-10990	56	21	tourist	tourist	NOUN
ajst-10990	56	22	attractions	attraction	NOUN
ajst-10990	56	23	according	accord	VERB
ajst-10990	56	24	to	to	ADP
ajst-10990	56	25	the	the	DET
ajst-10990	56	26	interests	interest	NOUN
ajst-10990	56	27	of	of	ADP
ajst-10990	56	28	users	user	NOUN
ajst-10990	56	29	.	.	PUNCT
ajst-10990	57	1	however	however	ADV
ajst-10990	57	2	,	,	PUNCT
ajst-10990	57	3	traditional	traditional	ADJ
ajst-10990	57	4	collaborative	collaborative	ADJ
ajst-10990	57	5	filtering	filter	VERB
ajst-10990	57	6	algorithms	algorithm	NOUN
ajst-10990	57	7	ignore	ignore	VERB
ajst-10990	57	8	the	the	DET
ajst-10990	57	9	problem	problem	NOUN
ajst-10990	57	10	of	of	ADP
ajst-10990	57	11	user	user	NOUN
ajst-10990	57	12	preferences	preference	NOUN
ajst-10990	57	13	,	,	PUNCT
ajst-10990	57	14	which	which	PRON
ajst-10990	57	15	may	may	AUX
ajst-10990	57	16	lead	lead	VERB
ajst-10990	57	17	to	to	ADP
ajst-10990	57	18	a	a	DET
ajst-10990	57	19	decrease	decrease	NOUN
ajst-10990	57	20	in	in	ADP
ajst-10990	57	21	recommendation	recommendation	NOUN
ajst-10990	57	22	accuracy	accuracy	NOUN
ajst-10990	57	23	.	.	PUNCT
ajst-10990	58	1	to	to	PART
ajst-10990	58	2	address	address	VERB
ajst-10990	58	3	these	these	DET
ajst-10990	58	4	issues	issue	NOUN
ajst-10990	58	5	,	,	PUNCT
ajst-10990	58	6	he	he	PRON
ajst-10990	58	7	analyzed	analyze	VERB
ajst-10990	58	8	the	the	DET
ajst-10990	58	9	factors	factor	NOUN
ajst-10990	58	10	that	that	PRON
ajst-10990	58	11	affect	affect	VERB
ajst-10990	58	12	users	user	NOUN
ajst-10990	58	13	'	'	PART
ajst-10990	58	14	interest	interest	NOUN
ajst-10990	58	15	preferences	preference	NOUN
ajst-10990	58	16	based	base	VERB
ajst-10990	58	17	on	on	ADP
ajst-10990	58	18	their	their	PRON
ajst-10990	58	19	global	global	ADJ
ajst-10990	58	20	and	and	CCONJ
ajst-10990	58	21	local	local	ADJ
ajst-10990	58	22	rating	rating	NOUN
ajst-10990	58	23	information	information	NOUN
ajst-10990	58	24	.	.	PUNCT
ajst-10990	59	1	by	by	ADP
ajst-10990	59	2	calculating	calculate	VERB
ajst-10990	59	3	the	the	DET
ajst-10990	59	4	global	global	ADJ
ajst-10990	59	5	probability	probability	NOUN
ajst-10990	59	6	distribution	distribution	NOUN
ajst-10990	59	7	of	of	ADP
ajst-10990	59	8	user	user	NOUN
ajst-10990	59	9	rating	rating	NOUN
ajst-10990	59	10	information	information	NOUN
ajst-10990	59	11	,	,	PUNCT
ajst-10990	59	12	the	the	DET
ajst-10990	59	13	hamming	hamming	NOUN
ajst-10990	59	14	approximation	approximation	NOUN
ajst-10990	59	15	is	be	AUX
ajst-10990	59	16	used	use	VERB
ajst-10990	59	17	to	to	PART
ajst-10990	59	18	calculate	calculate	VERB
ajst-10990	59	19	the	the	DET
ajst-10990	59	20	user	user	NOUN
ajst-10990	59	21	's	's	PART
ajst-10990	59	22	interest	interest	NOUN
ajst-10990	59	23	preference	preference	NOUN
ajst-10990	59	24	.	.	PUNCT
ajst-10990	60	1	the	the	DET
ajst-10990	60	2	similarity	similarity	NOUN
ajst-10990	60	3	algorithm	algorithm	NOUN
ajst-10990	60	4	is	be	AUX
ajst-10990	60	5	effectively	effectively	ADV
ajst-10990	60	6	combined	combine	VERB
ajst-10990	60	7	with	with	ADP
ajst-10990	60	8	the	the	DET
ajst-10990	60	9	traditional	traditional	ADJ
ajst-10990	60	10	similarity	similarity	NOUN
ajst-10990	60	11	algorithm	algorithm	NOUN
ajst-10990	60	12	to	to	PART
ajst-10990	60	13	propose	propose	VERB
ajst-10990	60	14	a	a	DET
ajst-10990	60	15	collaborative	collaborative	ADJ
ajst-10990	60	16	filtering	filter	VERB
ajst-10990	60	17	recommendation	recommendation	NOUN
ajst-10990	60	18	algorithm	algorithm	NOUN
ajst-10990	60	19	model	model	NOUN
ajst-10990	60	20	based	base	VERB
ajst-10990	60	21	on	on	ADP
ajst-10990	60	22	user	user	NOUN
ajst-10990	60	23	preferences	preference	NOUN
ajst-10990	60	24	for	for	ADP
ajst-10990	60	25	tourist	tourist	NOUN
ajst-10990	60	26	attractions	attraction	NOUN
ajst-10990	60	27	under	under	ADP
ajst-10990	60	28	sparse	sparse	ADJ
ajst-10990	60	29	data	datum	NOUN
ajst-10990	60	30	.	.	PUNCT
ajst-10990	61	1	3	3	X
ajst-10990	61	2	.	.	X
ajst-10990	61	3	methodology	methodology	NOUN
ajst-10990	61	4	in	in	ADP
ajst-10990	61	5	this	this	DET
ajst-10990	61	6	chapter	chapter	NOUN
ajst-10990	61	7	,	,	PUNCT
ajst-10990	61	8	we	we	PRON
ajst-10990	61	9	discuss	discuss	VERB
ajst-10990	61	10	the	the	DET
ajst-10990	61	11	technical	technical	ADJ
ajst-10990	61	12	flow	flow	NOUN
ajst-10990	61	13	and	and	CCONJ
ajst-10990	61	14	design	design	NOUN
ajst-10990	61	15	of	of	ADP
ajst-10990	61	16	user	user	NOUN
ajst-10990	61	17	profile	profile	NOUN
ajst-10990	61	18	and	and	CCONJ
ajst-10990	61	19	collaborative	collaborative	ADJ
ajst-10990	61	20	filtering	filtering	NOUN
ajst-10990	61	21	algorithm	algorithm	NOUN
ajst-10990	61	22	.	.	PUNCT
ajst-10990	62	1	3.1	3.1	NUM
ajst-10990	62	2	.	.	PUNCT
ajst-10990	63	1	the	the	DET
ajst-10990	63	2	overall	overall	ADJ
ajst-10990	63	3	architecture	architecture	NOUN
ajst-10990	63	4	of	of	ADP
ajst-10990	63	5	the	the	DET
ajst-10990	63	6	model	model	NOUN
ajst-10990	63	7	this	this	DET
ajst-10990	63	8	paper	paper	NOUN
ajst-10990	63	9	proposes	propose	VERB
ajst-10990	63	10	to	to	PART
ajst-10990	63	11	build	build	VERB
ajst-10990	63	12	a	a	DET
ajst-10990	63	13	model	model	NOUN
ajst-10990	63	14	of	of	ADP
ajst-10990	63	15	user	user	NOUN
ajst-10990	63	16	portraits	portrait	NOUN
ajst-10990	63	17	to	to	PART
ajst-10990	63	18	generate	generate	VERB
ajst-10990	63	19	passenger	passenger	NOUN
ajst-10990	63	20	tags	tag	NOUN
ajst-10990	63	21	,	,	PUNCT
ajst-10990	63	22	associate	associate	ADJ
ajst-10990	63	23	labels	label	NOUN
ajst-10990	63	24	with	with	ADP
ajst-10990	63	25	items	item	NOUN
ajst-10990	63	26	,	,	PUNCT
ajst-10990	63	27	extract	extract	VERB
ajst-10990	63	28	corresponding	correspond	VERB
ajst-10990	63	29	tags	tag	NOUN
ajst-10990	63	30	or	or	CCONJ
ajst-10990	63	31	feature	feature	VERB
ajst-10990	63	32	tags	tag	NOUN
ajst-10990	63	33	for	for	ADP
ajst-10990	63	34	the	the	DET
ajst-10990	63	35	features	feature	NOUN
ajst-10990	63	36	of	of	ADP
ajst-10990	63	37	each	each	DET
ajst-10990	63	38	scenic	scenic	ADJ
ajst-10990	63	39	spot	spot	NOUN
ajst-10990	63	40	specialty	specialty	NOUN
ajst-10990	63	41	,	,	PUNCT
ajst-10990	63	42	and	and	CCONJ
ajst-10990	63	43	calculate	calculate	VERB
ajst-10990	63	44	the	the	DET
ajst-10990	63	45	similarity	similarity	NOUN
ajst-10990	63	46	between	between	ADP
ajst-10990	63	47	user	user	NOUN
ajst-10990	63	48	profile	profile	VERB
ajst-10990	63	49	tags	tag	NOUN
ajst-10990	63	50	and	and	CCONJ
ajst-10990	63	51	scenic	scenic	ADJ
ajst-10990	63	52	spot	spot	NOUN
ajst-10990	63	53	specialty	specialty	NOUN
ajst-10990	63	54	labels	label	NOUN
ajst-10990	63	55	to	to	PART
ajst-10990	63	56	measure	measure	VERB
ajst-10990	63	57	users	user	NOUN
ajst-10990	63	58	'	'	PART
ajst-10990	63	59	interest	interest	NOUN
ajst-10990	63	60	in	in	ADP
ajst-10990	63	61	goods	good	NOUN
ajst-10990	63	62	,	,	PUNCT
ajst-10990	63	63	based	base	VERB
ajst-10990	63	64	on	on	ADP
ajst-10990	63	65	the	the	DET
ajst-10990	63	66	similarity	similarity	NOUN
ajst-10990	63	67	between	between	ADP
ajst-10990	63	68	user	user	NOUN
ajst-10990	63	69	groups	group	NOUN
ajst-10990	63	70	and	and	CCONJ
ajst-10990	63	71	scenic	scenic	ADJ
ajst-10990	63	72	area	area	NOUN
ajst-10990	63	73	specialty	specialty	NOUN
ajst-10990	63	74	products	product	NOUN
ajst-10990	63	75	.	.	PUNCT
ajst-10990	64	1	select	select	VERB
ajst-10990	64	2	the	the	DET
ajst-10990	64	3	group	group	NOUN
ajst-10990	64	4	of	of	ADP
ajst-10990	64	5	users	user	NOUN
ajst-10990	64	6	that	that	PRON
ajst-10990	64	7	are	be	AUX
ajst-10990	64	8	most	most	ADV
ajst-10990	64	9	similar	similar	ADJ
ajst-10990	64	10	to	to	ADP
ajst-10990	64	11	the	the	DET
ajst-10990	64	12	target	target	NOUN
ajst-10990	64	13	users	user	NOUN
ajst-10990	64	14	to	to	PART
ajst-10990	64	15	generate	generate	VERB
ajst-10990	64	16	recommended	recommend	VERB
ajst-10990	64	17	columns	column	NOUN
ajst-10990	64	18	for	for	ADP
ajst-10990	64	19	them	they	PRON
ajst-10990	64	20	.	.	PUNCT
ajst-10990	65	1	the	the	DET
ajst-10990	65	2	conceptual	conceptual	ADJ
ajst-10990	65	3	model	model	NOUN
ajst-10990	65	4	is	be	AUX
ajst-10990	65	5	shown	show	VERB
ajst-10990	65	6	in	in	ADP
ajst-10990	65	7	figure	figure	NOUN
ajst-10990	65	8	1	1	NUM
ajst-10990	65	9	.	.	PUNCT
ajst-10990	65	10	：	：	PUNCT
ajst-10990	66	1	65	65	NUM
ajst-10990	66	2	figure	figure	NOUN
ajst-10990	66	3	1	1	NUM
ajst-10990	66	4	.	.	PUNCT
ajst-10990	66	5	conceptual	conceptual	ADJ
ajst-10990	66	6	model	model	NOUN
ajst-10990	66	7	diagram	diagram	PROPN
ajst-10990	66	8	of	of	ADP
ajst-10990	66	9	user	user	NOUN
ajst-10990	66	10	profile	profile	NOUN
ajst-10990	66	11	combined	combine	VERB
ajst-10990	66	12	with	with	ADP
ajst-10990	66	13	collaborative	collaborative	ADJ
ajst-10990	66	14	filtering	filtering	NOUN
ajst-10990	66	15	algorithm	algorithm	NOUN
ajst-10990	66	16	3.2	3.2	NUM
ajst-10990	66	17	.	.	PUNCT
ajst-10990	67	1	construction	construction	NOUN
ajst-10990	67	2	of	of	ADP
ajst-10990	67	3	user	user	NOUN
ajst-10990	67	4	portrait	portrait	NOUN
ajst-10990	67	5	model	model	VERB
ajst-10990	67	6	the	the	DET
ajst-10990	67	7	virtual	virtual	ADJ
ajst-10990	67	8	user	user	NOUN
ajst-10990	67	9	portrait	portrait	NOUN
ajst-10990	67	10	is	be	AUX
ajst-10990	67	11	based	base	VERB
ajst-10990	67	12	on	on	ADP
ajst-10990	67	13	real	real	ADJ
ajst-10990	67	14	data	datum	NOUN
ajst-10990	67	15	,	,	PUNCT
ajst-10990	67	16	and	and	CCONJ
ajst-10990	67	17	the	the	DET
ajst-10990	67	18	result	result	NOUN
ajst-10990	67	19	is	be	AUX
ajst-10990	67	20	a	a	DET
ajst-10990	67	21	differentiated	differentiated	ADJ
ajst-10990	67	22	label	label	NOUN
ajst-10990	67	23	description	description	NOUN
ajst-10990	67	24	of	of	ADP
ajst-10990	67	25	different	different	ADJ
ajst-10990	67	26	users	user	NOUN
ajst-10990	67	27	after	after	ADP
ajst-10990	67	28	being	be	AUX
ajst-10990	67	29	segmented	segment	VERB
ajst-10990	67	30	.	.	PUNCT
ajst-10990	68	1	user	user	NOUN
ajst-10990	68	2	tags	tag	NOUN
ajst-10990	68	3	have	have	VERB
ajst-10990	68	4	semantic	semantic	ADJ
ajst-10990	68	5	and	and	CCONJ
ajst-10990	68	6	short	short	ADJ
ajst-10990	68	7	text	text	NOUN
ajst-10990	68	8	features	feature	NOUN
ajst-10990	68	9	.	.	PUNCT
ajst-10990	69	1	the	the	DET
ajst-10990	69	2	following	following	NOUN
ajst-10990	69	3	mainly	mainly	ADV
ajst-10990	69	4	introduces	introduce	VERB
ajst-10990	69	5	the	the	DET
ajst-10990	69	6	process	process	NOUN
ajst-10990	69	7	of	of	ADP
ajst-10990	69	8	obtaining	obtain	VERB
ajst-10990	69	9	tags	tag	NOUN
ajst-10990	69	10	from	from	ADP
ajst-10990	69	11	passenger	passenger	NOUN
ajst-10990	69	12	text	text	NOUN
ajst-10990	69	13	data	datum	NOUN
ajst-10990	69	14	.	.	PUNCT
ajst-10990	70	1	process	process	NOUN
ajst-10990	70	2	the	the	DET
ajst-10990	70	3	obtained	obtain	VERB
ajst-10990	70	4	scenic	scenic	ADJ
ajst-10990	70	5	spot	spot	NOUN
ajst-10990	70	6	data	datum	NOUN
ajst-10990	70	7	through	through	ADP
ajst-10990	70	8	source	source	NOUN
ajst-10990	70	9	data	datum	NOUN
ajst-10990	70	10	collection	collection	NOUN
ajst-10990	70	11	and	and	CCONJ
ajst-10990	70	12	data	datum	NOUN
ajst-10990	70	13	preprocessing	preprocessing	NOUN
ajst-10990	70	14	,	,	PUNCT
ajst-10990	70	15	and	and	CCONJ
ajst-10990	70	16	complete	complete	VERB
ajst-10990	70	17	the	the	DET
ajst-10990	70	18	entire	entire	ADJ
ajst-10990	70	19	user	user	NOUN
ajst-10990	70	20	portrait	portrait	NOUN
ajst-10990	70	21	through	through	ADP
ajst-10990	70	22	the	the	DET
ajst-10990	70	23	process	process	NOUN
ajst-10990	70	24	of	of	ADP
ajst-10990	70	25	behavior	behavior	NOUN
ajst-10990	70	26	modeling	modeling	NOUN
ajst-10990	70	27	and	and	CCONJ
ajst-10990	70	28	user	user	NOUN
ajst-10990	70	29	portrait	portrait	NOUN
ajst-10990	70	30	creation	creation	NOUN
ajst-10990	70	31	.	.	PUNCT
ajst-10990	71	1	①	①	PROPN
ajst-10990	71	2	source	source	NOUN
ajst-10990	71	3	data	datum	NOUN
ajst-10990	71	4	collection	collection	NOUN
ajst-10990	71	5	.	.	PUNCT
ajst-10990	72	1	static	static	ADJ
ajst-10990	72	2	data	datum	NOUN
ajst-10990	72	3	often	often	ADV
ajst-10990	72	4	comes	come	VERB
ajst-10990	72	5	from	from	ADP
ajst-10990	72	6	the	the	DET
ajst-10990	72	7	information	information	NOUN
ajst-10990	72	8	filled	fill	VERB
ajst-10990	72	9	in	in	ADP
ajst-10990	72	10	by	by	ADP
ajst-10990	72	11	users	user	NOUN
ajst-10990	72	12	on	on	ADP
ajst-10990	72	13	the	the	DET
ajst-10990	72	14	website	website	NOUN
ajst-10990	72	15	.	.	PUNCT
ajst-10990	73	1	when	when	SCONJ
ajst-10990	73	2	there	there	PRON
ajst-10990	73	3	is	be	VERB
ajst-10990	73	4	no	no	DET
ajst-10990	73	5	data	datum	NOUN
ajst-10990	73	6	,	,	PUNCT
ajst-10990	73	7	it	it	PRON
ajst-10990	73	8	can	can	AUX
ajst-10990	73	9	be	be	AUX
ajst-10990	73	10	predicted	predict	VERB
ajst-10990	73	11	by	by	ADP
ajst-10990	73	12	building	build	VERB
ajst-10990	73	13	a	a	DET
ajst-10990	73	14	model	model	NOUN
ajst-10990	73	15	.	.	PUNCT
ajst-10990	74	1	for	for	ADP
ajst-10990	74	2	example	example	NOUN
ajst-10990	74	3	,	,	PUNCT
ajst-10990	74	4	when	when	SCONJ
ajst-10990	74	5	the	the	DET
ajst-10990	74	6	user	user	NOUN
ajst-10990	74	7	's	's	PART
ajst-10990	74	8	gender	gender	NOUN
ajst-10990	74	9	information	information	NOUN
ajst-10990	74	10	is	be	AUX
ajst-10990	74	11	unknown	unknown	ADJ
ajst-10990	74	12	,	,	PUNCT
ajst-10990	74	13	a	a	DET
ajst-10990	74	14	model	model	NOUN
ajst-10990	74	15	can	can	AUX
ajst-10990	74	16	be	be	AUX
ajst-10990	74	17	built	build	VERB
ajst-10990	74	18	to	to	PART
ajst-10990	74	19	judge	judge	VERB
ajst-10990	74	20	based	base	VERB
ajst-10990	74	21	on	on	ADP
ajst-10990	74	22	the	the	DET
ajst-10990	74	23	user	user	NOUN
ajst-10990	74	24	's	's	PART
ajst-10990	74	25	purchase	purchase	NOUN
ajst-10990	74	26	behavior	behavior	NOUN
ajst-10990	74	27	.	.	PUNCT
ajst-10990	75	1	dynamic	dynamic	ADJ
ajst-10990	75	2	data	datum	NOUN
ajst-10990	75	3	refers	refer	VERB
ajst-10990	75	4	to	to	ADP
ajst-10990	75	5	the	the	DET
ajst-10990	75	6	data	datum	NOUN
ajst-10990	75	7	generated	generate	VERB
ajst-10990	75	8	by	by	ADP
ajst-10990	75	9	user	user	NOUN
ajst-10990	75	10	behavior	behavior	NOUN
ajst-10990	75	11	,	,	PUNCT
ajst-10990	75	12	such	such	ADJ
ajst-10990	75	13	as	as	ADP
ajst-10990	75	14	browsing	browse	VERB
ajst-10990	75	15	scenic	scenic	ADJ
ajst-10990	75	16	spots	spot	NOUN
ajst-10990	75	17	pages	page	NOUN
ajst-10990	75	18	,	,	PUNCT
ajst-10990	75	19	purchasing	purchase	VERB
ajst-10990	75	20	scenic	scenic	ADJ
ajst-10990	75	21	spot	spot	NOUN
ajst-10990	75	22	products	product	NOUN
ajst-10990	75	23	,	,	PUNCT
ajst-10990	75	24	collections	collection	NOUN
ajst-10990	75	25	,	,	PUNCT
ajst-10990	75	26	evaluations	evaluation	NOUN
ajst-10990	75	27	,	,	PUNCT
ajst-10990	75	28	etc	etc	X
ajst-10990	75	29	.	.	X
ajst-10990	76	1	these	these	DET
ajst-10990	76	2	behavioral	behavioral	ADJ
ajst-10990	76	3	data	datum	NOUN
ajst-10990	76	4	can	can	AUX
ajst-10990	76	5	calculate	calculate	VERB
ajst-10990	76	6	the	the	DET
ajst-10990	76	7	customer	customer	NOUN
ajst-10990	76	8	's	's	PART
ajst-10990	76	9	brand	brand	NOUN
ajst-10990	76	10	preference	preference	NOUN
ajst-10990	76	11	,	,	PUNCT
ajst-10990	76	12	consumption	consumption	NOUN
ajst-10990	76	13	ability	ability	NOUN
ajst-10990	76	14	,	,	PUNCT
ajst-10990	76	15	order	order	NOUN
ajst-10990	76	16	quantity	quantity	NOUN
ajst-10990	76	17	,	,	PUNCT
ajst-10990	76	18	category	category	NOUN
ajst-10990	76	19	purchase	purchase	NOUN
ajst-10990	76	20	ranking	ranking	NOUN
ajst-10990	76	21	and	and	CCONJ
ajst-10990	76	22	other	other	ADJ
ajst-10990	76	23	information	information	NOUN
ajst-10990	76	24	.	.	PUNCT
ajst-10990	77	1	②	②	NUM
ajst-10990	77	2	data	datum	NOUN
ajst-10990	77	3	preprocessing	preprocessing	NOUN
ajst-10990	77	4	.	.	PUNCT
ajst-10990	78	1	when	when	SCONJ
ajst-10990	78	2	the	the	DET
ajst-10990	78	3	data	datum	NOUN
ajst-10990	78	4	is	be	AUX
ajst-10990	78	5	collected	collect	VERB
ajst-10990	78	6	,	,	PUNCT
ajst-10990	78	7	it	it	PRON
ajst-10990	78	8	is	be	AUX
ajst-10990	78	9	generally	generally	ADV
ajst-10990	78	10	necessary	necessary	ADJ
ajst-10990	78	11	to	to	PART
ajst-10990	78	12	do	do	VERB
ajst-10990	78	13	some	some	DET
ajst-10990	78	14	preprocessing	preprocessing	NOUN
ajst-10990	78	15	on	on	ADP
ajst-10990	78	16	the	the	DET
ajst-10990	78	17	data	datum	NOUN
ajst-10990	78	18	,	,	PUNCT
ajst-10990	78	19	such	such	ADJ
ajst-10990	78	20	as	as	ADP
ajst-10990	78	21	data	datum	NOUN
ajst-10990	78	22	cleaning	cleaning	NOUN
ajst-10990	78	23	and	and	CCONJ
ajst-10990	78	24	data	datum	NOUN
ajst-10990	78	25	structuring	structuring	NOUN
ajst-10990	78	26	.	.	PUNCT
ajst-10990	79	1	while	while	SCONJ
ajst-10990	79	2	removing	remove	VERB
ajst-10990	79	3	some	some	DET
ajst-10990	79	4	dirty	dirty	ADJ
ajst-10990	79	5	data	datum	NOUN
ajst-10990	79	6	,	,	PUNCT
ajst-10990	79	7	the	the	DET
ajst-10990	79	8	structure	structure	NOUN
ajst-10990	79	9	of	of	ADP
ajst-10990	79	10	the	the	DET
ajst-10990	79	11	data	datum	NOUN
ajst-10990	79	12	can	can	AUX
ajst-10990	79	13	also	also	ADV
ajst-10990	79	14	be	be	AUX
ajst-10990	79	15	standardized	standardize	VERB
ajst-10990	79	16	for	for	ADP
ajst-10990	79	17	better	well	ADJ
ajst-10990	79	18	subsequent	subsequent	ADJ
ajst-10990	79	19	processing	processing	NOUN
ajst-10990	79	20	and	and	CCONJ
ajst-10990	79	21	analysis	analysis	NOUN
ajst-10990	79	22	.	.	PUNCT
ajst-10990	80	1	③	③	NUM
ajst-10990	80	2	behavioral	behavioral	ADJ
ajst-10990	80	3	modeling	modeling	NOUN
ajst-10990	80	4	.	.	PUNCT
ajst-10990	81	1	the	the	DET
ajst-10990	81	2	user	user	NOUN
ajst-10990	81	3	's	's	PART
ajst-10990	81	4	static	static	ADJ
ajst-10990	81	5	data	datum	NOUN
ajst-10990	81	6	and	and	CCONJ
ajst-10990	81	7	dynamic	dynamic	ADJ
ajst-10990	81	8	data	datum	NOUN
ajst-10990	81	9	are	be	AUX
ajst-10990	81	10	calculated	calculate	VERB
ajst-10990	81	11	through	through	ADP
ajst-10990	81	12	different	different	ADJ
ajst-10990	81	13	dimensions	dimension	NOUN
ajst-10990	81	14	of	of	ADP
ajst-10990	81	15	statistics	statistic	NOUN
ajst-10990	81	16	and	and	CCONJ
ajst-10990	81	17	algorithm	algorithm	NOUN
ajst-10990	81	18	models	model	NOUN
ajst-10990	81	19	,	,	PUNCT
ajst-10990	81	20	and	and	CCONJ
ajst-10990	81	21	the	the	DET
ajst-10990	81	22	data	datum	NOUN
ajst-10990	81	23	is	be	AUX
ajst-10990	81	24	labeled	label	VERB
ajst-10990	81	25	to	to	PART
ajst-10990	81	26	express	express	VERB
ajst-10990	81	27	the	the	DET
ajst-10990	81	28	user	user	NOUN
ajst-10990	81	29	's	's	PART
ajst-10990	81	30	interests	interest	NOUN
ajst-10990	81	31	,	,	PUNCT
ajst-10990	81	32	needs	need	NOUN
ajst-10990	81	33	,	,	PUNCT
ajst-10990	81	34	preferences	preference	NOUN
ajst-10990	81	35	,	,	PUNCT
ajst-10990	81	36	etc	etc	X
ajst-10990	81	37	.	.	X
ajst-10990	81	38	④	④	NUM
ajst-10990	81	39	user	user	NOUN
ajst-10990	81	40	portrait	portrait	NOUN
ajst-10990	81	41	creation	creation	NOUN
ajst-10990	81	42	.	.	PUNCT
ajst-10990	82	1	deepen	deepen	VERB
ajst-10990	82	2	the	the	DET
ajst-10990	82	3	behavior	behavior	NOUN
ajst-10990	82	4	modeling	modeling	NOUN
ajst-10990	82	5	process	process	NOUN
ajst-10990	82	6	,	,	PUNCT
ajst-10990	82	7	and	and	CCONJ
ajst-10990	82	8	use	use	VERB
ajst-10990	82	9	prediction	prediction	NOUN
ajst-10990	82	10	and	and	CCONJ
ajst-10990	82	11	kmeans	kmean	NOUN
ajst-10990	82	12	clustering	cluster	VERB
ajst-10990	82	13	algorithms	algorithm	NOUN
ajst-10990	82	14	to	to	PART
ajst-10990	82	15	complete	complete	VERB
ajst-10990	82	16	the	the	DET
ajst-10990	82	17	mapping	mapping	NOUN
ajst-10990	82	18	of	of	ADP
ajst-10990	82	19	different	different	ADJ
ajst-10990	82	20	attributes	attribute	NOUN
ajst-10990	82	21	of	of	ADP
ajst-10990	82	22	users	user	NOUN
ajst-10990	82	23	to	to	ADP
ajst-10990	82	24	tags	tag	NOUN
ajst-10990	82	25	.	.	PUNCT
ajst-10990	83	1	the	the	DET
ajst-10990	83	2	completion	completion	NOUN
ajst-10990	83	3	of	of	ADP
ajst-10990	83	4	user	user	NOUN
ajst-10990	83	5	labeling	labeling	NOUN
ajst-10990	83	6	means	mean	VERB
ajst-10990	83	7	that	that	SCONJ
ajst-10990	83	8	the	the	DET
ajst-10990	83	9	user	user	NOUN
ajst-10990	83	10	's	's	PART
ajst-10990	83	11	portrait	portrait	NOUN
ajst-10990	83	12	is	be	AUX
ajst-10990	83	13	basically	basically	ADV
ajst-10990	83	14	completed	complete	VERB
ajst-10990	83	15	.	.	PUNCT
ajst-10990	84	1	then	then	ADV
ajst-10990	84	2	build	build	VERB
ajst-10990	84	3	a	a	DET
ajst-10990	84	4	user	user	NOUN
ajst-10990	84	5	recommendation	recommendation	NOUN
ajst-10990	84	6	subsystem	subsystem	NOUN
ajst-10990	84	7	based	base	VERB
ajst-10990	84	8	on	on	ADP
ajst-10990	84	9	the	the	DET
ajst-10990	84	10	data	data	NOUN
ajst-10990	84	11	model	model	NOUN
ajst-10990	84	12	of	of	ADP
ajst-10990	84	13	user	user	NOUN
ajst-10990	84	14	portrait	portrait	NOUN
ajst-10990	84	15	analysis	analysis	NOUN
ajst-10990	84	16	to	to	PART
ajst-10990	84	17	realize	realize	VERB
ajst-10990	84	18	personalized	personalized	ADJ
ajst-10990	84	19	recommendations	recommendation	NOUN
ajst-10990	84	20	for	for	ADP
ajst-10990	84	21	user	user	NOUN
ajst-10990	84	22	products	product	NOUN
ajst-10990	84	23	and	and	CCONJ
ajst-10990	84	24	scenic	scenic	ADJ
ajst-10990	84	25	spots	spot	NOUN
ajst-10990	84	26	.	.	PUNCT
ajst-10990	85	1	the	the	DET
ajst-10990	85	2	user	user	NOUN
ajst-10990	85	3	portrait	portrait	NOUN
ajst-10990	85	4	model	model	NOUN
ajst-10990	85	5	architecture	architecture	NOUN
ajst-10990	85	6	diagram	diagram	NOUN
ajst-10990	85	7	of	of	ADP
ajst-10990	85	8	its	its	PRON
ajst-10990	85	9	smart	smart	ADJ
ajst-10990	85	10	tourism	tourism	NOUN
ajst-10990	85	11	platform	platform	NOUN
ajst-10990	85	12	is	be	AUX
ajst-10990	85	13	shown	show	VERB
ajst-10990	85	14	in	in	ADP
ajst-10990	85	15	figure	figure	NOUN
ajst-10990	85	16	2	2	NUM
ajst-10990	85	17	:	:	PUNCT
ajst-10990	85	18	figure	figure	NOUN
ajst-10990	85	19	2	2	NUM
ajst-10990	85	20	.	.	PUNCT
ajst-10990	85	21	architecture	architecture	NOUN
ajst-10990	85	22	diagram	diagram	NOUN
ajst-10990	85	23	of	of	ADP
ajst-10990	85	24	user	user	NOUN
ajst-10990	85	25	portrait	portrait	PROPN
ajst-10990	85	26	model	model	NOUN
ajst-10990	85	27	66	66	NUM
ajst-10990	85	28	3.2.1	3.2.1	NUM
ajst-10990	85	29	.	.	PUNCT
ajst-10990	86	1	chinese	chinese	ADJ
ajst-10990	86	2	participle	participle	NOUN
ajst-10990	86	3	in	in	ADP
ajst-10990	86	4	the	the	DET
ajst-10990	86	5	process	process	NOUN
ajst-10990	86	6	of	of	ADP
ajst-10990	86	7	building	build	VERB
ajst-10990	86	8	user	user	NOUN
ajst-10990	86	9	portraits	portrait	NOUN
ajst-10990	86	10	,	,	PUNCT
ajst-10990	86	11	there	there	PRON
ajst-10990	86	12	are	be	VERB
ajst-10990	86	13	spaces	space	NOUN
ajst-10990	86	14	between	between	ADP
ajst-10990	86	15	each	each	DET
ajst-10990	86	16	english	english	ADJ
ajst-10990	86	17	word	word	NOUN
ajst-10990	86	18	as	as	ADP
ajst-10990	86	19	a	a	DET
ajst-10990	86	20	very	very	ADV
ajst-10990	86	21	obvious	obvious	ADJ
ajst-10990	86	22	separator[13	separator[13	NOUN
ajst-10990	86	23	]	]	PUNCT
ajst-10990	86	24	,	,	PUNCT
ajst-10990	86	25	while	while	SCONJ
ajst-10990	86	26	chinese	chinese	ADJ
ajst-10990	86	27	words	word	NOUN
ajst-10990	86	28	are	be	AUX
ajst-10990	86	29	continuous	continuous	ADJ
ajst-10990	86	30	,	,	PUNCT
ajst-10990	86	31	which	which	PRON
ajst-10990	86	32	can	can	AUX
ajst-10990	86	33	not	not	PART
ajst-10990	86	34	be	be	AUX
ajst-10990	86	35	understood	understand	VERB
ajst-10990	86	36	and	and	CCONJ
ajst-10990	86	37	processed	process	VERB
ajst-10990	86	38	by	by	ADP
ajst-10990	86	39	the	the	DET
ajst-10990	86	40	computer	computer	NOUN
ajst-10990	86	41	.	.	PUNCT
ajst-10990	87	1	in	in	ADP
ajst-10990	87	2	order	order	NOUN
ajst-10990	87	3	to	to	PART
ajst-10990	87	4	make	make	VERB
ajst-10990	87	5	the	the	DET
ajst-10990	87	6	chinese	chinese	ADJ
ajst-10990	87	7	text	text	NOUN
ajst-10990	87	8	data	datum	NOUN
ajst-10990	87	9	generated	generate	VERB
ajst-10990	87	10	by	by	ADP
ajst-10990	87	11	passengers	passenger	NOUN
ajst-10990	87	12	into	into	ADP
ajst-10990	87	13	meaningful	meaningful	ADJ
ajst-10990	87	14	words	word	NOUN
ajst-10990	87	15	or	or	CCONJ
ajst-10990	87	16	phrases	phrase	NOUN
ajst-10990	87	17	,	,	PUNCT
ajst-10990	87	18	so	so	SCONJ
ajst-10990	87	19	as	as	SCONJ
ajst-10990	87	20	to	to	PART
ajst-10990	87	21	better	well	ADV
ajst-10990	87	22	understand	understand	VERB
ajst-10990	87	23	and	and	CCONJ
ajst-10990	87	24	analyze	analyze	VERB
ajst-10990	87	25	user	user	NOUN
ajst-10990	87	26	behavior	behavior	NOUN
ajst-10990	87	27	and	and	CCONJ
ajst-10990	87	28	interests	interest	NOUN
ajst-10990	87	29	.	.	PUNCT
ajst-10990	88	1	this	this	DET
ajst-10990	88	2	article	article	NOUN
ajst-10990	88	3	will	will	AUX
ajst-10990	88	4	perform	perform	VERB
ajst-10990	88	5	chinese	chinese	ADJ
ajst-10990	88	6	word	word	NOUN
ajst-10990	88	7	segmentation	segmentation	NOUN
ajst-10990	88	8	processing	processing	NOUN
ajst-10990	88	9	on	on	ADP
ajst-10990	88	10	the	the	DET
ajst-10990	88	11	obtained	obtain	VERB
ajst-10990	88	12	data	datum	NOUN
ajst-10990	88	13	,	,	PUNCT
ajst-10990	88	14	so	so	SCONJ
ajst-10990	88	15	that	that	SCONJ
ajst-10990	88	16	a	a	DET
ajst-10990	88	17	piece	piece	NOUN
ajst-10990	88	18	of	of	ADP
ajst-10990	88	19	text	text	NOUN
ajst-10990	88	20	can	can	AUX
ajst-10990	88	21	be	be	AUX
ajst-10990	88	22	divided	divide	VERB
ajst-10990	88	23	into	into	ADP
ajst-10990	88	24	independent	independent	ADJ
ajst-10990	88	25	words	word	NOUN
ajst-10990	88	26	.	.	PUNCT
ajst-10990	89	1	commonly	commonly	ADV
ajst-10990	89	2	used	use	VERB
ajst-10990	89	3	chinese	chinese	ADJ
ajst-10990	89	4	word	word	NOUN
ajst-10990	89	5	segmentation	segmentation	NOUN
ajst-10990	89	6	methods	method	NOUN
ajst-10990	89	7	include	include	VERB
ajst-10990	89	8	dictionarybased	dictionarybase	VERB
ajst-10990	89	9	methods	method	NOUN
ajst-10990	89	10	,	,	PUNCT
ajst-10990	89	11	statistics	statistic	NOUN
ajst-10990	89	12	-	-	PUNCT
ajst-10990	89	13	based	base	VERB
ajst-10990	89	14	methods	method	NOUN
ajst-10990	89	15	,	,	PUNCT
ajst-10990	89	16	and	and	CCONJ
ajst-10990	89	17	deep	deep	ADJ
ajst-10990	89	18	learningbased	learningbase	VERB
ajst-10990	89	19	methods	method	NOUN
ajst-10990	89	20	.	.	PUNCT
ajst-10990	90	1	this	this	DET
ajst-10990	90	2	article	article	NOUN
ajst-10990	90	3	uses	use	VERB
ajst-10990	90	4	jieba	jieba	PROPN
ajst-10990	90	5	word	word	NOUN
ajst-10990	90	6	segmentation	segmentation	NOUN
ajst-10990	90	7	as	as	ADP
ajst-10990	90	8	a	a	DET
ajst-10990	90	9	tool	tool	NOUN
ajst-10990	90	10	for	for	ADP
ajst-10990	90	11	text	text	NOUN
ajst-10990	90	12	processing	processing	NOUN
ajst-10990	90	13	.	.	PUNCT
ajst-10990	91	1	it	it	PRON
ajst-10990	91	2	combines	combine	VERB
ajst-10990	91	3	word	word	NOUN
ajst-10990	91	4	segmentation	segmentation	NOUN
ajst-10990	91	5	methods	method	NOUN
ajst-10990	91	6	based	base	VERB
ajst-10990	91	7	on	on	ADP
ajst-10990	91	8	string	string	NOUN
ajst-10990	91	9	matching	matching	NOUN
ajst-10990	91	10	and	and	CCONJ
ajst-10990	91	11	statistics	statistic	NOUN
ajst-10990	91	12	.	.	PUNCT
ajst-10990	92	1	the	the	DET
ajst-10990	92	2	word	word	NOUN
ajst-10990	92	3	segmentation	segmentation	NOUN
ajst-10990	92	4	effect	effect	NOUN
ajst-10990	92	5	is	be	AUX
ajst-10990	92	6	better	well	ADJ
ajst-10990	92	7	.	.	PUNCT
ajst-10990	93	1	the	the	DET
ajst-10990	93	2	word	word	NOUN
ajst-10990	93	3	segmentation	segmentation	NOUN
ajst-10990	93	4	process	process	NOUN
ajst-10990	93	5	is	be	AUX
ajst-10990	93	6	as	as	SCONJ
ajst-10990	93	7	follows	follow	VERB
ajst-10990	93	8	:	:	PUNCT
ajst-10990	93	9	1	1	X
ajst-10990	93	10	.	.	PUNCT
ajst-10990	93	11	initialize	initialize	VERB
ajst-10990	93	12	the	the	DET
ajst-10990	93	13	tokenizer	tokenizer	NOUN
ajst-10990	93	14	.	.	PUNCT
ajst-10990	94	1	2	2	NUM
ajst-10990	94	2	.	.	X
ajst-10990	94	3	according	accord	VERB
ajst-10990	94	4	to	to	ADP
ajst-10990	94	5	the	the	DET
ajst-10990	94	6	characteristics	characteristic	NOUN
ajst-10990	94	7	of	of	ADP
ajst-10990	94	8	tourists	tourist	NOUN
ajst-10990	94	9	,	,	PUNCT
ajst-10990	94	10	the	the	DET
ajst-10990	94	11	scenic	scenic	ADJ
ajst-10990	94	12	spot	spot	NOUN
ajst-10990	94	13	can	can	AUX
ajst-10990	94	14	customize	customize	VERB
ajst-10990	94	15	the	the	DET
ajst-10990	94	16	dictionary	dictionary	NOUN
ajst-10990	94	17	to	to	PART
ajst-10990	94	18	contain	contain	VERB
ajst-10990	94	19	specific	specific	ADJ
ajst-10990	94	20	words	word	NOUN
ajst-10990	94	21	or	or	CCONJ
ajst-10990	94	22	terms	term	NOUN
ajst-10990	94	23	.	.	PUNCT
ajst-10990	95	1	3	3	X
ajst-10990	95	2	.	.	X
ajst-10990	95	3	use	use	VERB
ajst-10990	95	4	the	the	DET
ajst-10990	95	5	forward	forward	ADV
ajst-10990	95	6	maximum	maximum	ADJ
ajst-10990	95	7	matching	matching	NOUN
ajst-10990	95	8	algorithm	algorithm	NOUN
ajst-10990	95	9	for	for	ADP
ajst-10990	95	10	word	word	NOUN
ajst-10990	95	11	segmentation	segmentation	NOUN
ajst-10990	95	12	.	.	PUNCT
ajst-10990	96	1	the	the	DET
ajst-10990	96	2	algorithm	algorithm	NOUN
ajst-10990	96	3	starts	start	VERB
ajst-10990	96	4	at	at	ADP
ajst-10990	96	5	the	the	DET
ajst-10990	96	6	beginning	beginning	NOUN
ajst-10990	96	7	of	of	ADP
ajst-10990	96	8	the	the	DET
ajst-10990	96	9	text	text	NOUN
ajst-10990	96	10	and	and	CCONJ
ajst-10990	96	11	matches	match	VERB
ajst-10990	96	12	the	the	DET
ajst-10990	96	13	longest	long	ADJ
ajst-10990	96	14	word	word	NOUN
ajst-10990	96	15	.	.	PUNCT
ajst-10990	97	1	if	if	SCONJ
ajst-10990	97	2	a	a	DET
ajst-10990	97	3	word	word	NOUN
ajst-10990	97	4	is	be	AUX
ajst-10990	97	5	matched	match	VERB
ajst-10990	97	6	,	,	PUNCT
ajst-10990	97	7	the	the	DET
ajst-10990	97	8	word	word	NOUN
ajst-10990	97	9	will	will	AUX
ajst-10990	97	10	be	be	AUX
ajst-10990	97	11	used	use	VERB
ajst-10990	97	12	as	as	ADP
ajst-10990	97	13	a	a	DET
ajst-10990	97	14	word	word	NOUN
ajst-10990	97	15	segmentation	segmentation	NOUN
ajst-10990	97	16	result	result	NOUN
ajst-10990	97	17	;	;	PUNCT
ajst-10990	97	18	if	if	SCONJ
ajst-10990	97	19	no	no	DET
ajst-10990	97	20	word	word	NOUN
ajst-10990	97	21	is	be	AUX
ajst-10990	97	22	matched	match	VERB
ajst-10990	97	23	,	,	PUNCT
ajst-10990	97	24	the	the	DET
ajst-10990	97	25	current	current	ADJ
ajst-10990	97	26	character	character	NOUN
ajst-10990	97	27	will	will	AUX
ajst-10990	97	28	be	be	AUX
ajst-10990	97	29	output	output	NOUN
ajst-10990	97	30	as	as	ADP
ajst-10990	97	31	a	a	DET
ajst-10990	97	32	word	word	NOUN
ajst-10990	97	33	.	.	PUNCT
ajst-10990	98	1	4	4	X
ajst-10990	98	2	.	.	X
ajst-10990	98	3	after	after	ADP
ajst-10990	98	4	the	the	DET
ajst-10990	98	5	forward	forward	ADJ
ajst-10990	98	6	maximum	maximum	ADJ
ajst-10990	98	7	matching	matching	NOUN
ajst-10990	98	8	word	word	NOUN
ajst-10990	98	9	segmentation	segmentation	NOUN
ajst-10990	98	10	,	,	PUNCT
ajst-10990	98	11	process	process	VERB
ajst-10990	98	12	some	some	DET
ajst-10990	98	13	rules	rule	NOUN
ajst-10990	98	14	and	and	CCONJ
ajst-10990	98	15	normalization	normalization	NOUN
ajst-10990	98	16	,	,	PUNCT
ajst-10990	98	17	such	such	ADJ
ajst-10990	98	18	as	as	ADP
ajst-10990	98	19	merging	merge	VERB
ajst-10990	98	20	first	first	ADV
ajst-10990	98	21	and	and	CCONJ
ajst-10990	98	22	last	last	ADJ
ajst-10990	98	23	names	name	NOUN
ajst-10990	98	24	,	,	PUNCT
ajst-10990	98	25	removing	remove	VERB
ajst-10990	98	26	single	single	ADJ
ajst-10990	98	27	words	word	NOUN
ajst-10990	98	28	,	,	PUNCT
ajst-10990	98	29	etc	etc	X
ajst-10990	98	30	.	.	X
ajst-10990	99	1	5	5	X
ajst-10990	99	2	.	.	X
ajst-10990	100	1	the	the	DET
ajst-10990	100	2	word	word	NOUN
ajst-10990	100	3	segmentation	segmentation	NOUN
ajst-10990	100	4	is	be	AUX
ajst-10990	100	5	completed	complete	VERB
ajst-10990	100	6	,	,	PUNCT
ajst-10990	100	7	and	and	CCONJ
ajst-10990	100	8	the	the	DET
ajst-10990	100	9	stuttering	stuttering	ADJ
ajst-10990	100	10	word	word	NOUN
ajst-10990	100	11	segmentation	segmentation	NOUN
ajst-10990	100	12	is	be	AUX
ajst-10990	100	13	used	use	VERB
ajst-10990	100	14	to	to	PART
ajst-10990	100	15	output	output	VERB
ajst-10990	100	16	the	the	DET
ajst-10990	100	17	results	result	NOUN
ajst-10990	100	18	.	.	PUNCT
ajst-10990	101	1	3.2.2	3.2.2	X
ajst-10990	101	2	.	.	PUNCT
ajst-10990	101	3	feature	feature	NOUN
ajst-10990	101	4	word	word	NOUN
ajst-10990	101	5	extraction	extraction	NOUN
ajst-10990	101	6	the	the	DET
ajst-10990	101	7	main	main	ADJ
ajst-10990	101	8	purpose	purpose	NOUN
ajst-10990	101	9	of	of	ADP
ajst-10990	101	10	extracting	extract	VERB
ajst-10990	101	11	feature	feature	NOUN
ajst-10990	101	12	words	word	NOUN
ajst-10990	101	13	from	from	ADP
ajst-10990	101	14	user	user	NOUN
ajst-10990	101	15	portraits	portrait	NOUN
ajst-10990	101	16	is	be	AUX
ajst-10990	101	17	to	to	PART
ajst-10990	101	18	convert	convert	VERB
ajst-10990	101	19	passengers	passenger	NOUN
ajst-10990	101	20	’	'	PUNCT
ajst-10990	101	21	complex	complex	ADJ
ajst-10990	101	22	behaviors	behavior	NOUN
ajst-10990	101	23	and	and	CCONJ
ajst-10990	101	24	interests	interest	NOUN
ajst-10990	101	25	into	into	ADP
ajst-10990	101	26	limited	limited	ADJ
ajst-10990	101	27	and	and	CCONJ
ajst-10990	101	28	meaningful	meaningful	ADJ
ajst-10990	101	29	features	feature	NOUN
ajst-10990	101	30	in	in	ADP
ajst-10990	101	31	order	order	NOUN
ajst-10990	101	32	to	to	PART
ajst-10990	101	33	better	well	ADV
ajst-10990	101	34	describe	describe	VERB
ajst-10990	101	35	and	and	CCONJ
ajst-10990	101	36	understand	understand	VERB
ajst-10990	101	37	users	user	NOUN
ajst-10990	101	38	’	’	PART
ajst-10990	101	39	characteristics	characteristic	NOUN
ajst-10990	101	40	and	and	CCONJ
ajst-10990	101	41	behavior	behavior	NOUN
ajst-10990	101	42	patterns[14	patterns[14	PROPN
ajst-10990	101	43	]	]	PUNCT
ajst-10990	101	44	.	.	PUNCT
ajst-10990	102	1	through	through	ADP
ajst-10990	102	2	feature	feature	NOUN
ajst-10990	102	3	word	word	NOUN
ajst-10990	102	4	extraction	extraction	NOUN
ajst-10990	102	5	,	,	PUNCT
ajst-10990	102	6	these	these	DET
ajst-10990	102	7	behavioral	behavioral	ADJ
ajst-10990	102	8	data	datum	NOUN
ajst-10990	102	9	can	can	AUX
ajst-10990	102	10	be	be	AUX
ajst-10990	102	11	converted	convert	VERB
ajst-10990	102	12	into	into	ADP
ajst-10990	102	13	a	a	DET
ajst-10990	102	14	small	small	ADJ
ajst-10990	102	15	number	number	NOUN
ajst-10990	102	16	of	of	ADP
ajst-10990	102	17	meaningful	meaningful	ADJ
ajst-10990	102	18	feature	feature	NOUN
ajst-10990	102	19	words	word	NOUN
ajst-10990	102	20	,	,	PUNCT
ajst-10990	102	21	thereby	thereby	ADV
ajst-10990	102	22	reducing	reduce	VERB
ajst-10990	102	23	the	the	DET
ajst-10990	102	24	dimension	dimension	NOUN
ajst-10990	102	25	and	and	CCONJ
ajst-10990	102	26	complexity	complexity	NOUN
ajst-10990	102	27	of	of	ADP
ajst-10990	102	28	the	the	DET
ajst-10990	102	29	data	datum	NOUN
ajst-10990	102	30	;	;	PUNCT
ajst-10990	102	31	it	it	PRON
ajst-10990	102	32	can	can	AUX
ajst-10990	102	33	accurately	accurately	ADV
ajst-10990	102	34	reflect	reflect	VERB
ajst-10990	102	35	the	the	DET
ajst-10990	102	36	concerns	concern	NOUN
ajst-10990	102	37	of	of	ADP
ajst-10990	102	38	passengers	passenger	NOUN
ajst-10990	102	39	,	,	PUNCT
ajst-10990	102	40	ignoring	ignore	VERB
ajst-10990	102	41	irrelevant	irrelevant	ADJ
ajst-10990	102	42	or	or	CCONJ
ajst-10990	102	43	noise	noise	NOUN
ajst-10990	102	44	information	information	NOUN
ajst-10990	102	45	;	;	PUNCT
ajst-10990	102	46	the	the	DET
ajst-10990	102	47	characteristics	characteristic	NOUN
ajst-10990	102	48	of	of	ADP
ajst-10990	102	49	passengers	passenger	NOUN
ajst-10990	102	50	and	and	CCONJ
ajst-10990	102	51	behaviors	behavior	NOUN
ajst-10990	102	52	are	be	AUX
ajst-10990	102	53	transformed	transform	VERB
ajst-10990	102	54	into	into	ADP
ajst-10990	102	55	feature	feature	NOUN
ajst-10990	102	56	vectors	vector	NOUN
ajst-10990	102	57	,	,	PUNCT
ajst-10990	102	58	thereby	thereby	ADV
ajst-10990	102	59	realizing	realize	VERB
ajst-10990	102	60	personalized	personalized	ADJ
ajst-10990	102	61	recommendation	recommendation	NOUN
ajst-10990	102	62	of	of	ADP
ajst-10990	102	63	special	special	ADJ
ajst-10990	102	64	products	product	NOUN
ajst-10990	102	65	in	in	ADP
ajst-10990	102	66	scenic	scenic	ADJ
ajst-10990	102	67	spots	spot	NOUN
ajst-10990	102	68	and	and	CCONJ
ajst-10990	102	69	calculation	calculation	NOUN
ajst-10990	102	70	of	of	ADP
ajst-10990	102	71	passenger	passenger	NOUN
ajst-10990	102	72	similarity	similarity	NOUN
ajst-10990	102	73	.	.	PUNCT
ajst-10990	103	1	this	this	DET
ajst-10990	103	2	paper	paper	NOUN
ajst-10990	103	3	uses	use	VERB
ajst-10990	103	4	tf	tf	PROPN
ajst-10990	103	5	-	-	PUNCT
ajst-10990	103	6	idf	idf	PROPN
ajst-10990	103	7	as	as	ADP
ajst-10990	103	8	the	the	DET
ajst-10990	103	9	main	main	ADJ
ajst-10990	103	10	method	method	NOUN
ajst-10990	103	11	of	of	ADP
ajst-10990	103	12	feature	feature	NOUN
ajst-10990	103	13	word	word	NOUN
ajst-10990	103	14	extraction	extraction	NOUN
ajst-10990	103	15	,	,	PUNCT
ajst-10990	103	16	counts	count	VERB
ajst-10990	103	17	the	the	DET
ajst-10990	103	18	frequency	frequency	NOUN
ajst-10990	103	19	of	of	ADP
ajst-10990	103	20	each	each	DET
ajst-10990	103	21	word	word	NOUN
ajst-10990	103	22	in	in	ADP
ajst-10990	103	23	the	the	DET
ajst-10990	103	24	text	text	NOUN
ajst-10990	103	25	,	,	PUNCT
ajst-10990	103	26	and	and	CCONJ
ajst-10990	103	27	multiplies	multiply	VERB
ajst-10990	103	28	the	the	DET
ajst-10990	103	29	frequency	frequency	NOUN
ajst-10990	103	30	of	of	ADP
ajst-10990	103	31	a	a	DET
ajst-10990	103	32	word	word	NOUN
ajst-10990	103	33	with	with	ADP
ajst-10990	103	34	the	the	DET
ajst-10990	103	35	frequency	frequency	NOUN
ajst-10990	103	36	of	of	ADP
ajst-10990	103	37	documents	document	NOUN
ajst-10990	103	38	appearing	appear	VERB
ajst-10990	103	39	in	in	ADP
ajst-10990	103	40	the	the	DET
ajst-10990	103	41	text	text	NOUN
ajst-10990	103	42	collection	collection	NOUN
ajst-10990	103	43	to	to	PART
ajst-10990	103	44	get	get	VERB
ajst-10990	103	45	a	a	DET
ajst-10990	103	46	more	more	ADV
ajst-10990	103	47	representative	representative	ADJ
ajst-10990	103	48	word	word	NOUN
ajst-10990	103	49	the	the	DET
ajst-10990	103	50	value	value	NOUN
ajst-10990	103	51	of	of	ADP
ajst-10990	103	52	importance	importance	NOUN
ajst-10990	103	53	in	in	ADP
ajst-10990	103	54	the	the	DET
ajst-10990	103	55	text	text	NOUN
ajst-10990	103	56	.	.	PUNCT
ajst-10990	104	1	the	the	DET
ajst-10990	104	2	calculation	calculation	NOUN
ajst-10990	104	3	process	process	NOUN
ajst-10990	104	4	of	of	ADP
ajst-10990	104	5	tf	tf	PROPN
ajst-10990	104	6	-	-	PUNCT
ajst-10990	104	7	idf	idf	PROPN
ajst-10990	104	8	is	be	AUX
ajst-10990	104	9	as	as	SCONJ
ajst-10990	104	10	follows	follow	VERB
ajst-10990	104	11	：	：	PUNCT
ajst-10990	104	12	(	(	PUNCT
ajst-10990	104	13	1	1	NUM
ajst-10990	104	14	)	)	PUNCT
ajst-10990	104	15	.	.	PUNCT
ajst-10990	105	1	calculate	calculate	NOUN
ajst-10990	105	2	word	word	NOUN
ajst-10990	105	3	frequency	frequency	NOUN
ajst-10990	105	4	(	(	PUNCT
ajst-10990	105	5	tf	tf	ADJ
ajst-10990	105	6	)	)	PUNCT
ajst-10990	105	7	𝑻𝑭	𝑻𝑭	PROPN
ajst-10990	105	8	𝑶𝒄𝒄𝒖𝒓𝒓𝒆𝒏𝒄𝒆𝒔	𝑶𝒄𝒄𝒖𝒓𝒓𝒆𝒏𝒄𝒆𝒔	PROPN
ajst-10990	105	9	𝒐𝒇	𝒐𝒇	PUNCT
ajst-10990	105	10	𝒔𝒑𝒆𝒄𝒊𝒂𝒍	𝒔𝒑𝒆𝒄𝒊𝒂𝒍	NOUN
ajst-10990	105	11	𝒘𝒐𝒓𝒅𝒔	𝒘𝒐𝒓𝒅𝒔	NOUN
ajst-10990	105	12	(	(	PUNCT
ajst-10990	105	13	2	2	NUM
ajst-10990	105	14	)	)	PUNCT
ajst-10990	105	15	.	.	PUNCT
ajst-10990	106	1	calculate	calculate	ADJ
ajst-10990	106	2	inverse	inverse	NOUN
ajst-10990	106	3	document	document	NOUN
ajst-10990	106	4	frequency	frequency	NOUN
ajst-10990	106	5	(	(	PUNCT
ajst-10990	106	6	idf	idf	PROPN
ajst-10990	106	7	)	)	PUNCT
ajst-10990	106	8	𝑰𝑫𝑭	𝑰𝑫𝑭	PROPN
ajst-10990	106	9	𝐥𝐨𝐠	𝐥𝐨𝐠	NOUN
ajst-10990	106	10	𝑺𝑼𝑴	𝑺𝑼𝑴	PROPN
ajst-10990	106	11	𝑵＋𝟏	𝑵＋𝟏	NOUN
ajst-10990	106	12	where	where	SCONJ
ajst-10990	106	13	sum	sum	NOUN
ajst-10990	106	14	represents	represent	VERB
ajst-10990	106	15	the	the	DET
ajst-10990	106	16	total	total	ADJ
ajst-10990	106	17	number	number	NOUN
ajst-10990	106	18	of	of	ADP
ajst-10990	106	19	documents	document	NOUN
ajst-10990	106	20	in	in	ADP
ajst-10990	106	21	the	the	DET
ajst-10990	106	22	corpus	corpus	NOUN
ajst-10990	106	23	,	,	PUNCT
ajst-10990	106	24	and	and	CCONJ
ajst-10990	106	25	n	n	CCONJ
ajst-10990	106	26	represents	represent	VERB
ajst-10990	106	27	the	the	DET
ajst-10990	106	28	number	number	NOUN
ajst-10990	106	29	of	of	ADP
ajst-10990	106	30	documents	document	NOUN
ajst-10990	106	31	containing	contain	VERB
ajst-10990	106	32	the	the	DET
ajst-10990	106	33	word	word	NOUN
ajst-10990	106	34	(	(	PUNCT
ajst-10990	106	35	3	3	NUM
ajst-10990	106	36	)	)	PUNCT
ajst-10990	106	37	.	.	PUNCT
ajst-10990	107	1	calculate	calculate	VERB
ajst-10990	107	2	tf	tf	PROPN
ajst-10990	107	3	-	-	PUNCT
ajst-10990	107	4	idf	idf	PROPN
ajst-10990	107	5	𝑇𝐹_𝐼𝐷𝐹	𝑇𝐹_𝐼𝐷𝐹	PROPN
ajst-10990	107	6	𝑇𝐹	𝑇𝐹	PROPN
ajst-10990	107	7	𝐼𝐷𝐹	𝐼𝐷𝐹	PROPN
ajst-10990	107	8	3.2.3	3.2.3	NUM
ajst-10990	107	9	.	.	PUNCT
ajst-10990	108	1	label	label	NOUN
ajst-10990	108	2	design	design	VERB
ajst-10990	108	3	the	the	DET
ajst-10990	108	4	design	design	NOUN
ajst-10990	108	5	of	of	ADP
ajst-10990	108	6	the	the	DET
ajst-10990	108	7	user	user	NOUN
ajst-10990	108	8	portrait	portrait	NOUN
ajst-10990	108	9	label	label	NOUN
ajst-10990	108	10	system	system	NOUN
ajst-10990	108	11	can	can	AUX
ajst-10990	108	12	fully	fully	ADV
ajst-10990	108	13	restore	restore	VERB
ajst-10990	108	14	the	the	DET
ajst-10990	108	15	user	user	NOUN
ajst-10990	108	16	's	's	PART
ajst-10990	108	17	characteristics	characteristic	NOUN
ajst-10990	108	18	,	,	PUNCT
ajst-10990	108	19	and	and	CCONJ
ajst-10990	108	20	improve	improve	VERB
ajst-10990	108	21	the	the	DET
ajst-10990	108	22	efficiency	efficiency	NOUN
ajst-10990	108	23	of	of	ADP
ajst-10990	108	24	computer	computer	NOUN
ajst-10990	108	25	analysis	analysis	NOUN
ajst-10990	108	26	and	and	CCONJ
ajst-10990	108	27	processing	processing	NOUN
ajst-10990	108	28	of	of	ADP
ajst-10990	108	29	labels[15	labels[15	NOUN
ajst-10990	108	30	]	]	PUNCT
ajst-10990	108	31	.	.	PUNCT
ajst-10990	109	1	it	it	PRON
ajst-10990	109	2	is	be	AUX
ajst-10990	109	3	mainly	mainly	ADV
ajst-10990	109	4	divided	divide	VERB
ajst-10990	109	5	into	into	ADP
ajst-10990	109	6	basic	basic	ADJ
ajst-10990	109	7	attribute	attribute	NOUN
ajst-10990	109	8	tags	tag	NOUN
ajst-10990	109	9	and	and	CCONJ
ajst-10990	109	10	behavior	behavior	NOUN
ajst-10990	109	11	feature	feature	NOUN
ajst-10990	109	12	tags	tag	NOUN
ajst-10990	109	13	.	.	PUNCT
ajst-10990	110	1	the	the	DET
ajst-10990	110	2	basic	basic	ADJ
ajst-10990	110	3	attribute	attribute	NOUN
ajst-10990	110	4	tags	tag	NOUN
ajst-10990	110	5	describe	describe	VERB
ajst-10990	110	6	the	the	DET
ajst-10990	110	7	basic	basic	ADJ
ajst-10990	110	8	information	information	NOUN
ajst-10990	110	9	and	and	CCONJ
ajst-10990	110	10	characteristics	characteristic	NOUN
ajst-10990	110	11	of	of	ADP
ajst-10990	110	12	the	the	DET
ajst-10990	110	13	user	user	NOUN
ajst-10990	110	14	,	,	PUNCT
ajst-10990	110	15	and	and	CCONJ
ajst-10990	110	16	the	the	DET
ajst-10990	110	17	behavior	behavior	NOUN
ajst-10990	110	18	feature	feature	VERB
ajst-10990	110	19	tags	tag	NOUN
ajst-10990	110	20	describe	describe	VERB
ajst-10990	110	21	the	the	DET
ajst-10990	110	22	user	user	NOUN
ajst-10990	110	23	's	's	PART
ajst-10990	110	24	behavior	behavior	NOUN
ajst-10990	110	25	habits	habit	NOUN
ajst-10990	110	26	and	and	CCONJ
ajst-10990	110	27	behavior	behavior	NOUN
ajst-10990	110	28	patterns	pattern	NOUN
ajst-10990	110	29	.	.	PUNCT
ajst-10990	111	1	the	the	DET
ajst-10990	111	2	user	user	NOUN
ajst-10990	111	3	portrait	portrait	NOUN
ajst-10990	111	4	label	label	NOUN
ajst-10990	111	5	system	system	NOUN
ajst-10990	111	6	of	of	ADP
ajst-10990	111	7	the	the	DET
ajst-10990	111	8	smart	smart	ADJ
ajst-10990	111	9	tourism	tourism	NOUN
ajst-10990	111	10	platform	platform	NOUN
ajst-10990	111	11	constructed	construct	VERB
ajst-10990	111	12	in	in	ADP
ajst-10990	111	13	this	this	DET
ajst-10990	111	14	paper	paper	NOUN
ajst-10990	111	15	is	be	AUX
ajst-10990	111	16	shown	show	VERB
ajst-10990	111	17	in	in	ADP
ajst-10990	111	18	figure	figure	NOUN
ajst-10990	111	19	3	3	NUM
ajst-10990	111	20	.	.	PUNCT
ajst-10990	111	21	figure	figure	VERB
ajst-10990	111	22	3	3	NUM
ajst-10990	111	23	.	.	PUNCT
ajst-10990	111	24	smart	smart	ADJ
ajst-10990	111	25	tourism	tourism	NOUN
ajst-10990	111	26	platform	platform	NOUN
ajst-10990	111	27	user	user	NOUN
ajst-10990	111	28	portrait	portrait	NOUN
ajst-10990	111	29	label	label	NOUN
ajst-10990	111	30	system	system	NOUN
ajst-10990	111	31	among	among	ADP
ajst-10990	111	32	them	they	PRON
ajst-10990	111	33	,	,	PUNCT
ajst-10990	111	34	the	the	DET
ajst-10990	111	35	label	label	NOUN
ajst-10990	111	36	represents	represent	VERB
ajst-10990	111	37	the	the	DET
ajst-10990	111	38	user	user	NOUN
ajst-10990	111	39	's	's	PART
ajst-10990	111	40	interest	interest	NOUN
ajst-10990	111	41	point	point	NOUN
ajst-10990	111	42	,	,	PUNCT
ajst-10990	111	43	and	and	CCONJ
ajst-10990	111	44	the	the	DET
ajst-10990	111	45	label	label	NOUN
ajst-10990	111	46	weight	weight	NOUN
ajst-10990	111	47	is	be	AUX
ajst-10990	111	48	designed	design	VERB
ajst-10990	111	49	to	to	PART
ajst-10990	111	50	represent	represent	VERB
ajst-10990	111	51	the	the	DET
ajst-10990	111	52	user	user	NOUN
ajst-10990	111	53	's	's	PART
ajst-10990	111	54	preference	preference	NOUN
ajst-10990	111	55	.	.	PUNCT
ajst-10990	112	1	according	accord	VERB
ajst-10990	112	2	to	to	ADP
ajst-10990	112	3	tf	tf	PROPN
ajst-10990	112	4	-	-	PUNCT
ajst-10990	112	5	idf	idf	PROPN
ajst-10990	112	6	,	,	PUNCT
ajst-10990	112	7	the	the	DET
ajst-10990	112	8	user	user	NOUN
ajst-10990	112	9	's	's	PART
ajst-10990	112	10	weight	weight	NOUN
ajst-10990	112	11	value	value	NOUN
ajst-10990	112	12	for	for	ADP
ajst-10990	112	13	the	the	DET
ajst-10990	112	14	tag	tag	NOUN
ajst-10990	112	15	can	can	AUX
ajst-10990	112	16	be	be	AUX
ajst-10990	112	17	obtained	obtain	VERB
ajst-10990	112	18	,	,	PUNCT
ajst-10990	112	19	but	but	CCONJ
ajst-10990	112	20	the	the	DET
ajst-10990	112	21	weight	weight	NOUN
ajst-10990	112	22	at	at	ADP
ajst-10990	112	23	this	this	DET
ajst-10990	112	24	time	time	NOUN
ajst-10990	112	25	only	only	ADV
ajst-10990	112	26	considers	consider	VERB
ajst-10990	112	27	the	the	DET
ajst-10990	112	28	relationship	relationship	NOUN
ajst-10990	112	29	between	between	ADP
ajst-10990	112	30	the	the	DET
ajst-10990	112	31	user	user	NOUN
ajst-10990	112	32	and	and	CCONJ
ajst-10990	112	33	the	the	DET
ajst-10990	112	34	tag	tag	NOUN
ajst-10990	112	35	,	,	PUNCT
ajst-10990	112	36	and	and	CCONJ
ajst-10990	112	37	the	the	DET
ajst-10990	112	38	user	user	NOUN
ajst-10990	112	39	's	's	PART
ajst-10990	112	40	dynamic	dynamic	ADJ
ajst-10990	112	41	tag	tag	NOUN
ajst-10990	112	42	is	be	AUX
ajst-10990	112	43	constantly	constantly	ADV
ajst-10990	112	44	changing	change	VERB
ajst-10990	112	45	,	,	PUNCT
ajst-10990	112	46	so	so	ADV
ajst-10990	112	47	consider	consider	VERB
ajst-10990	112	48	the	the	DET
ajst-10990	112	49	business	business	NOUN
ajst-10990	112	50	scene	scene	NOUN
ajst-10990	112	51	where	where	SCONJ
ajst-10990	112	52	the	the	DET
ajst-10990	112	53	tag	tag	NOUN
ajst-10990	112	54	is	be	AUX
ajst-10990	112	55	located	locate	VERB
ajst-10990	112	56	,	,	PUNCT
ajst-10990	112	57	the	the	DET
ajst-10990	112	58	occurrence	occurrence	NOUN
ajst-10990	112	59	elements	element	NOUN
ajst-10990	112	60	such	such	ADJ
ajst-10990	112	61	as	as	ADP
ajst-10990	112	62	the	the	DET
ajst-10990	112	63	time	time	NOUN
ajst-10990	112	64	interval	interval	NOUN
ajst-10990	112	65	of	of	ADP
ajst-10990	112	66	the	the	DET
ajst-10990	112	67	tag	tag	NOUN
ajst-10990	112	68	,	,	PUNCT
ajst-10990	112	69	the	the	DET
ajst-10990	112	70	number	number	NOUN
ajst-10990	112	71	of	of	ADP
ajst-10990	112	72	times	time	NOUN
ajst-10990	112	73	the	the	DET
ajst-10990	112	74	user	user	NOUN
ajst-10990	112	75	generates	generate	VERB
ajst-10990	112	76	the	the	DET
ajst-10990	112	77	tag	tag	NOUN
ajst-10990	112	78	,	,	PUNCT
ajst-10990	112	79	etc	etc	X
ajst-10990	112	80	.	.	X
ajst-10990	113	1	therefore	therefore	ADV
ajst-10990	113	2	,	,	PUNCT
ajst-10990	113	3	this	this	DET
ajst-10990	113	4	paper	paper	NOUN
ajst-10990	113	5	sets	set	VERB
ajst-10990	113	6	the	the	DET
ajst-10990	113	7	user	user	NOUN
ajst-10990	113	8	's	's	PART
ajst-10990	113	9	dynamic	dynamic	ADJ
ajst-10990	113	10	label	label	NOUN
ajst-10990	113	11	weight	weight	NOUN
ajst-10990	113	12	as	as	ADP
ajst-10990	113	13	the	the	DET
ajst-10990	113	14	product	product	NOUN
ajst-10990	113	15	of	of	ADP
ajst-10990	113	16	the	the	DET
ajst-10990	113	17	behavior	behavior	NOUN
ajst-10990	113	18	type	type	NOUN
ajst-10990	113	19	weight	weight	NOUN
ajst-10990	113	20	(	(	PUNCT
ajst-10990	113	21	p	p	NOUN
ajst-10990	113	22	)	)	PUNCT
ajst-10990	113	23	,	,	PUNCT
ajst-10990	113	24	time	time	NOUN
ajst-10990	113	25	decay	decay	NOUN
ajst-10990	113	26	(	(	PUNCT
ajst-10990	113	27	t	t	PROPN
ajst-10990	113	28	)	)	PUNCT
ajst-10990	113	29	,	,	PUNCT
ajst-10990	113	30	behavior	behavior	NOUN
ajst-10990	113	31	times	time	NOUN
ajst-10990	113	32	(	(	PUNCT
ajst-10990	113	33	n	n	CCONJ
ajst-10990	113	34	)	)	PUNCT
ajst-10990	113	35	and	and	CCONJ
ajst-10990	113	36	the	the	DET
ajst-10990	113	37	weight	weight	NOUN
ajst-10990	113	38	(	(	PUNCT
ajst-10990	113	39	tf	tf	INTJ
ajst-10990	113	40	)	)	PUNCT
ajst-10990	113	41	obtained	obtain	VERB
ajst-10990	113	42	by	by	ADP
ajst-10990	113	43	tf	tf	PROPN
ajst-10990	113	44	-	-	PUNCT
ajst-10990	113	45	idf	idf	PROPN
ajst-10990	113	46	.	.	PUNCT
ajst-10990	114	1	p	p	PROPN
ajst-10990	114	2	focuses	focus	VERB
ajst-10990	114	3	on	on	ADP
ajst-10990	114	4	the	the	DET
ajst-10990	114	5	degree	degree	NOUN
ajst-10990	114	6	of	of	ADP
ajst-10990	114	7	collection	collection	NOUN
ajst-10990	114	8	of	of	ADP
ajst-10990	114	9	special	special	ADJ
ajst-10990	114	10	products	product	NOUN
ajst-10990	114	11	in	in	ADP
ajst-10990	114	12	scenic	scenic	ADJ
ajst-10990	114	13	spots	spot	NOUN
ajst-10990	114	14	,	,	PUNCT
ajst-10990	114	15	t	t	PROPN
ajst-10990	114	16	indicates	indicate	VERB
ajst-10990	114	17	the	the	DET
ajst-10990	114	18	affected	affected	ADJ
ajst-10990	114	19	behavior	behavior	NOUN
ajst-10990	114	20	,	,	PUNCT
ajst-10990	114	21	tf	tf	PROPN
ajst-10990	114	22	is	be	AUX
ajst-10990	114	23	the	the	DET
ajst-10990	114	24	value	value	NOUN
ajst-10990	114	25	obtained	obtain	VERB
ajst-10990	114	26	by	by	ADP
ajst-10990	114	27	tf	tf	PROPN
ajst-10990	114	28	-	-	PUNCT
ajst-10990	114	29	idf	idf	PROPN
ajst-10990	114	30	,	,	PUNCT
ajst-10990	114	31	and	and	CCONJ
ajst-10990	114	32	the	the	PRON
ajst-10990	114	33	greater	great	ADJ
ajst-10990	114	34	the	the	DET
ajst-10990	114	35	data	datum	NOUN
ajst-10990	114	36	of	of	ADP
ajst-10990	114	37	n	n	CCONJ
ajst-10990	114	38	,	,	PUNCT
ajst-10990	114	39	the	the	PRON
ajst-10990	114	40	greater	great	ADJ
ajst-10990	114	41	the	the	DET
ajst-10990	114	42	corresponding	corresponding	ADJ
ajst-10990	114	43	weight	weight	NOUN
ajst-10990	114	44	.	.	PUNCT
ajst-10990	115	1	at	at	ADP
ajst-10990	115	2	the	the	DET
ajst-10990	115	3	end	end	NOUN
ajst-10990	115	4	of	of	ADP
ajst-10990	115	5	time	time	NOUN
ajst-10990	115	6	,	,	PUNCT
ajst-10990	115	7	according	accord	VERB
ajst-10990	115	8	to	to	ADP
ajst-10990	115	9	the	the	DET
ajst-10990	115	10	weight	weight	NOUN
ajst-10990	115	11	ranking	ranking	NOUN
ajst-10990	115	12	of	of	ADP
ajst-10990	115	13	the	the	DET
ajst-10990	115	14	obtained	obtain	VERB
ajst-10990	115	15	keywords	keyword	NOUN
ajst-10990	115	16	,	,	PUNCT
ajst-10990	115	17	the	the	DET
ajst-10990	115	18	nouns	noun	NOUN
ajst-10990	115	19	with	with	ADP
ajst-10990	115	20	the	the	DET
ajst-10990	115	21	highest	high	ADJ
ajst-10990	115	22	weight	weight	NOUN
ajst-10990	115	23	value	value	NOUN
ajst-10990	115	24	are	be	AUX
ajst-10990	115	25	extracted	extract	VERB
ajst-10990	115	26	as	as	ADP
ajst-10990	115	27	the	the	DET
ajst-10990	115	28	user	user	NOUN
ajst-10990	115	29	's	's	PART
ajst-10990	115	30	feature	feature	NOUN
ajst-10990	115	31	labels	label	NOUN
ajst-10990	115	32	,	,	PUNCT
ajst-10990	115	33	and	and	CCONJ
ajst-10990	115	34	the	the	DET
ajst-10990	115	35	similarity	similarity	NOUN
ajst-10990	115	36	between	between	ADP
ajst-10990	115	37	users	user	NOUN
ajst-10990	115	38	can	can	AUX
ajst-10990	115	39	be	be	AUX
ajst-10990	115	40	obtained	obtain	VERB
ajst-10990	115	41	by	by	ADP
ajst-10990	115	42	calculating	calculate	VERB
ajst-10990	115	43	the	the	DET
ajst-10990	115	44	label	label	NOUN
ajst-10990	115	45	similarity	similarity	NOUN
ajst-10990	115	46	between	between	ADP
ajst-10990	115	47	users	user	NOUN
ajst-10990	115	48	(	(	PUNCT
ajst-10990	115	49	s	s	NOUN
ajst-10990	115	50	)	)	PUNCT
ajst-10990	115	51	.	.	PUNCT
ajst-10990	116	1	𝑆	𝑆	PROPN
ajst-10990	116	2	𝑃	𝑃	PROPN
ajst-10990	116	3	𝑇	𝑇	PROPN
ajst-10990	116	4	𝑇𝐹	𝑇𝐹	PROPN
ajst-10990	116	5	𝑁	𝑁	PROPN
ajst-10990	116	6	3.2.4	3.2.4	NUM
ajst-10990	116	7	.	.	PUNCT
ajst-10990	117	1	cluster	cluster	NOUN
ajst-10990	117	2	analysis	analysis	NOUN
ajst-10990	117	3	the	the	DET
ajst-10990	117	4	purpose	purpose	NOUN
ajst-10990	117	5	of	of	ADP
ajst-10990	117	6	cluster	cluster	NOUN
ajst-10990	117	7	analysis	analysis	NOUN
ajst-10990	117	8	in	in	ADP
ajst-10990	117	9	the	the	DET
ajst-10990	117	10	process	process	NOUN
ajst-10990	117	11	of	of	ADP
ajst-10990	117	12	user	user	NOUN
ajst-10990	117	13	portrait	portrait	NOUN
ajst-10990	117	14	modeling	modeling	NOUN
ajst-10990	117	15	is	be	AUX
ajst-10990	117	16	to	to	PART
ajst-10990	117	17	group	group	VERB
ajst-10990	117	18	similar	similar	ADJ
ajst-10990	117	19	passengers	passenger	NOUN
ajst-10990	117	20	into	into	ADP
ajst-10990	117	21	one	one	NUM
ajst-10990	117	22	category	category	NOUN
ajst-10990	117	23	,	,	PUNCT
ajst-10990	117	24	thereby	thereby	ADV
ajst-10990	117	25	forming	form	VERB
ajst-10990	117	26	passenger	passenger	NOUN
ajst-10990	117	27	groups	group	NOUN
ajst-10990	117	28	or	or	CCONJ
ajst-10990	117	29	passenger	passenger	NOUN
ajst-10990	117	30	clusters	cluster	NOUN
ajst-10990	117	31	,	,	PUNCT
ajst-10990	117	32	and	and	CCONJ
ajst-10990	117	33	each	each	DET
ajst-10990	117	34	group	group	NOUN
ajst-10990	117	35	represents	represent	VERB
ajst-10990	117	36	passengers	passenger	NOUN
ajst-10990	117	37	with	with	ADP
ajst-10990	117	38	similar	similar	ADJ
ajst-10990	117	39	characteristics	characteristic	NOUN
ajst-10990	117	40	and	and	CCONJ
ajst-10990	117	41	behaviors	behavior	NOUN
ajst-10990	117	42	.	.	PUNCT
ajst-10990	118	1	this	this	PRON
ajst-10990	118	2	facilitates	facilitate	VERB
ajst-10990	118	3	the	the	DET
ajst-10990	118	4	classification	classification	NOUN
ajst-10990	118	5	and	and	CCONJ
ajst-10990	118	6	segmentation	segmentation	NOUN
ajst-10990	118	7	of	of	ADP
ajst-10990	118	8	different	different	ADJ
ajst-10990	118	9	travelers	traveler	NOUN
ajst-10990	118	10	to	to	ADP
ajst-10990	118	11	better	well	ADJ
ajst-10990	118	12	user	user	NOUN
ajst-10990	118	13	portrait	portrait	NOUN
ajst-10990	118	14	tag	tag	NOUN
ajst-10990	118	15	system	system	NOUN
ajst-10990	118	16	of	of	ADP
ajst-10990	118	17	intelligent	intelligent	ADJ
ajst-10990	118	18	tourism	tourism	NOUN
ajst-10990	118	19	platform	platform	NOUN
ajst-10990	118	20	basic	basic	ADJ
ajst-10990	118	21	attribute	attribute	NOUN
ajst-10990	118	22	tag	tag	NOUN
ajst-10990	118	23	behavior	behavior	NOUN
ajst-10990	118	24	feature	feature	NOUN
ajst-10990	118	25	label	label	NOUN
ajst-10990	118	26	age	age	NOUN
ajst-10990	118	27	gender	gender	NOUN
ajst-10990	118	28	area	area	NOUN
ajst-10990	118	29	educational	educational	ADJ
ajst-10990	118	30	level	level	NOUN
ajst-10990	118	31	...	...	PUNCT
ajst-10990	118	32	purchasing	purchase	VERB
ajst-10990	118	33	behavior	behavior	NOUN
ajst-10990	118	34	search	search	NOUN
ajst-10990	118	35	keywords	keyword	NOUN
ajst-10990	118	36	browsing	browse	VERB
ajst-10990	118	37	record	record	NOUN
ajst-10990	118	38	hobby	hobby	NOUN
ajst-10990	118	39	...	...	PUNCT
ajst-10990	118	40	67	67	NUM
ajst-10990	118	41	understand	understand	VERB
ajst-10990	118	42	the	the	DET
ajst-10990	118	43	needs	need	NOUN
ajst-10990	118	44	and	and	CCONJ
ajst-10990	118	45	behavior	behavior	NOUN
ajst-10990	118	46	patterns	pattern	NOUN
ajst-10990	118	47	of	of	ADP
ajst-10990	118	48	different	different	ADJ
ajst-10990	118	49	groups	group	NOUN
ajst-10990	118	50	of	of	ADP
ajst-10990	118	51	travelers	traveler	NOUN
ajst-10990	118	52	.	.	PUNCT
ajst-10990	119	1	common	common	ADJ
ajst-10990	119	2	cluster	cluster	NOUN
ajst-10990	119	3	analysis	analysis	NOUN
ajst-10990	119	4	methods	method	NOUN
ajst-10990	119	5	include	include	VERB
ajst-10990	119	6	k	k	ADJ
ajst-10990	119	7	-	-	PUNCT
ajst-10990	119	8	means	means	NOUN
ajst-10990	119	9	clustering	clustering	NOUN
ajst-10990	119	10	,	,	PUNCT
ajst-10990	119	11	density	density	NOUN
ajst-10990	119	12	-	-	PUNCT
ajst-10990	119	13	based	base	VERB
ajst-10990	119	14	clustering	clustering	NOUN
ajst-10990	119	15	,	,	PUNCT
ajst-10990	119	16	spectral	spectral	ADJ
ajst-10990	119	17	clustering	clustering	NOUN
ajst-10990	119	18	,	,	PUNCT
ajst-10990	119	19	etc	etc	X
ajst-10990	119	20	.	.	X
ajst-10990	120	1	the	the	DET
ajst-10990	120	2	text	text	NOUN
ajst-10990	120	3	uses	use	VERB
ajst-10990	120	4	the	the	DET
ajst-10990	120	5	k	k	NOUN
ajst-10990	120	6	-	-	PUNCT
ajst-10990	120	7	means	mean	VERB
ajst-10990	120	8	clustering	clustering	NOUN
ajst-10990	120	9	method	method	NOUN
ajst-10990	120	10	to	to	PART
ajst-10990	120	11	cluster	cluster	VERB
ajst-10990	120	12	the	the	DET
ajst-10990	120	13	passenger	passenger	NOUN
ajst-10990	120	14	data	datum	NOUN
ajst-10990	120	15	,	,	PUNCT
ajst-10990	120	16	and	and	CCONJ
ajst-10990	120	17	iteratively	iteratively	ADV
ajst-10990	120	18	finds	find	VERB
ajst-10990	120	19	k	k	PROPN
ajst-10990	120	20	clusters	cluster	NOUN
ajst-10990	120	21	to	to	PART
ajst-10990	120	22	minimize	minimize	VERB
ajst-10990	120	23	the	the	DET
ajst-10990	120	24	loss	loss	NOUN
ajst-10990	120	25	function	function	NOUN
ajst-10990	120	26	corresponding	correspond	VERB
ajst-10990	120	27	to	to	ADP
ajst-10990	120	28	the	the	DET
ajst-10990	120	29	clustering	clustering	ADJ
ajst-10990	120	30	results	result	NOUN
ajst-10990	120	31	.	.	PUNCT
ajst-10990	121	1	among	among	ADP
ajst-10990	121	2	them	they	PRON
ajst-10990	121	3	,	,	PUNCT
ajst-10990	121	4	the	the	DET
ajst-10990	121	5	loss	loss	NOUN
ajst-10990	121	6	function	function	NOUN
ajst-10990	121	7	is	be	AUX
ajst-10990	121	8	defined	define	VERB
ajst-10990	121	9	as	as	ADP
ajst-10990	121	10	the	the	DET
ajst-10990	121	11	sum	sum	NOUN
ajst-10990	121	12	of	of	ADP
ajst-10990	121	13	the	the	DET
ajst-10990	121	14	squares	square	NOUN
ajst-10990	121	15	of	of	ADP
ajst-10990	121	16	errors	error	NOUN
ajst-10990	121	17	between	between	ADP
ajst-10990	121	18	each	each	DET
ajst-10990	121	19	passenger	passenger	NOUN
ajst-10990	121	20	sample	sample	NOUN
ajst-10990	121	21	and	and	CCONJ
ajst-10990	121	22	the	the	DET
ajst-10990	121	23	center	center	ADJ
ajst-10990	121	24	point	point	NOUN
ajst-10990	121	25	of	of	ADP
ajst-10990	121	26	the	the	DET
ajst-10990	121	27	cluster	cluster	NOUN
ajst-10990	121	28	to	to	PART
ajst-10990	121	29	which	which	PRON
ajst-10990	121	30	it	it	PRON
ajst-10990	121	31	belongs	belong	VERB
ajst-10990	121	32	:	:	PUNCT
ajst-10990	121	33	𝐽	𝐽	PROPN
ajst-10990	121	34	𝑐	𝑐	NOUN
ajst-10990	121	35	,	,	PUNCT
ajst-10990	121	36	𝑢	𝑢	X
ajst-10990	121	37	||𝑥	||𝑥	VERB
ajst-10990	121	38	𝑢	𝑢	NOUN
ajst-10990	121	39	||	||	NOUN
ajst-10990	121	40	where	where	SCONJ
ajst-10990	121	41	𝑥	𝑥	PROPN
ajst-10990	121	42	represents	represent	VERB
ajst-10990	121	43	the	the	DET
ajst-10990	121	44	i	i	PROPN
ajst-10990	121	45	-	-	PUNCT
ajst-10990	121	46	th	th	X
ajst-10990	121	47	passenger	passenger	NOUN
ajst-10990	121	48	sample	sample	NOUN
ajst-10990	121	49	,	,	PUNCT
ajst-10990	121	50	𝑐	𝑐	PROPN
ajst-10990	121	51	is	be	AUX
ajst-10990	121	52	the	the	DET
ajst-10990	121	53	cluster	cluster	NOUN
ajst-10990	121	54	to	to	PART
ajst-10990	121	55	which	which	PRON
ajst-10990	121	56	𝑥	𝑥	PROPN
ajst-10990	121	57	belongs	belong	VERB
ajst-10990	121	58	,	,	PUNCT
ajst-10990	121	59	𝑢	𝑢	PRON
ajst-10990	121	60	represents	represent	VERB
ajst-10990	121	61	the	the	DET
ajst-10990	121	62	center	center	ADJ
ajst-10990	121	63	point	point	NOUN
ajst-10990	121	64	corresponding	correspond	VERB
ajst-10990	121	65	to	to	ADP
ajst-10990	121	66	the	the	DET
ajst-10990	121	67	cluster	cluster	NOUN
ajst-10990	121	68	,	,	PUNCT
ajst-10990	121	69	and	and	CCONJ
ajst-10990	121	70	m	m	PROPN
ajst-10990	121	71	is	be	AUX
ajst-10990	121	72	the	the	DET
ajst-10990	121	73	total	total	ADJ
ajst-10990	121	74	number	number	NOUN
ajst-10990	121	75	of	of	ADP
ajst-10990	121	76	samples	sample	NOUN
ajst-10990	121	77	.	.	PUNCT
ajst-10990	122	1	the	the	DET
ajst-10990	122	2	passenger	passenger	NOUN
ajst-10990	122	3	clustering	clustering	NOUN
ajst-10990	122	4	process	process	NOUN
ajst-10990	122	5	is	be	AUX
ajst-10990	122	6	as	as	SCONJ
ajst-10990	122	7	follows	follow	VERB
ajst-10990	122	8	:	:	PUNCT
ajst-10990	122	9	(	(	PUNCT
ajst-10990	122	10	1	1	X
ajst-10990	122	11	)	)	PUNCT
ajst-10990	122	12	data	datum	NOUN
ajst-10990	122	13	preprocessing	preprocessing	NOUN
ajst-10990	122	14	:	:	PUNCT
ajst-10990	122	15	standardization	standardization	NOUN
ajst-10990	122	16	,	,	PUNCT
ajst-10990	122	17	outlier	outlier	NOUN
ajst-10990	122	18	filtering	filtering	NOUN
ajst-10990	122	19	.	.	PUNCT
ajst-10990	123	1	(	(	PUNCT
ajst-10990	123	2	2	2	X
ajst-10990	123	3	)	)	PUNCT
ajst-10990	123	4	randomly	randomly	ADV
ajst-10990	123	5	select	select	ADJ
ajst-10990	123	6	k	k	PROPN
ajst-10990	123	7	centers	center	NOUN
ajst-10990	123	8	,	,	PUNCT
ajst-10990	123	9	denoted	denote	VERB
ajst-10990	123	10	as𝑢	as𝑢	NOUN
ajst-10990	123	11	,	,	PUNCT
ajst-10990	123	12	𝑢	𝑢	NOUN
ajst-10990	123	13	…	…	PUNCT
ajst-10990	123	14	𝑢	𝑢	X
ajst-10990	123	15	.	.	PUNCT
ajst-10990	124	1	(	(	PUNCT
ajst-10990	124	2	3	3	X
ajst-10990	124	3	)	)	PUNCT
ajst-10990	124	4	define	define	VERB
ajst-10990	124	5	the	the	DET
ajst-10990	124	6	loss	loss	NOUN
ajst-10990	124	7	function	function	NOUN
ajst-10990	124	8	：	：	PUNCT
ajst-10990	124	9	𝐽	𝐽	PROPN
ajst-10990	124	10	𝑐	𝑐	PROPN
ajst-10990	124	11	,	,	PUNCT
ajst-10990	124	12	𝑢	𝑢	X
ajst-10990	124	13	||𝑥	||𝑥	VERB
ajst-10990	124	14	𝑢	𝑢	PRON
ajst-10990	124	15	||	||	NOUN
ajst-10990	124	16	(	(	PUNCT
ajst-10990	124	17	4	4	X
ajst-10990	124	18	)	)	PUNCT
ajst-10990	124	19	let	let	VERB
ajst-10990	124	20	t=0,1,2	t=0,1,2	NUM
ajst-10990	124	21	,	,	PUNCT
ajst-10990	124	22	...	...	PUNCT
ajst-10990	124	23	be	be	AUX
ajst-10990	124	24	the	the	DET
ajst-10990	124	25	number	number	NOUN
ajst-10990	124	26	of	of	ADP
ajst-10990	124	27	iteration	iteration	NOUN
ajst-10990	124	28	steps	step	NOUN
ajst-10990	124	29	,	,	PUNCT
ajst-10990	124	30	repeat	repeat	VERB
ajst-10990	124	31	the	the	DET
ajst-10990	124	32	following	follow	VERB
ajst-10990	124	33	process	process	NOUN
ajst-10990	124	34	until	until	SCONJ
ajst-10990	124	35	j	j	PROPN
ajst-10990	124	36	converges	converge	VERB
ajst-10990	124	37	:	:	PUNCT
ajst-10990	124	38	(	(	PUNCT
ajst-10990	124	39	4.1	4.1	NUM
ajst-10990	124	40	)	)	PUNCT
ajst-10990	124	41	for	for	ADP
ajst-10990	124	42	each	each	DET
ajst-10990	124	43	sample	sample	NOUN
ajst-10990	124	44	𝑥	𝑥	PRON
ajst-10990	124	45	,	,	PUNCT
ajst-10990	124	46	assign	assign	VERB
ajst-10990	124	47	it	it	PRON
ajst-10990	124	48	to	to	ADP
ajst-10990	124	49	the	the	DET
ajst-10990	124	50	nearest	near	ADJ
ajst-10990	124	51	center	center	NOUN
ajst-10990	124	52	𝑐	𝑐	PROPN
ajst-10990	124	53	𝑎𝑟𝑔𝑚𝑖𝑛	𝑎𝑟𝑔𝑚𝑖𝑛	PROPN
ajst-10990	124	54	||𝑥	||𝑥	NOUN
ajst-10990	124	55	𝑢	𝑢	NOUN
ajst-10990	124	56	||	||	NOUN
ajst-10990	125	1	(	(	PUNCT
ajst-10990	125	2	4.2	4.2	NUM
ajst-10990	125	3	)	)	PUNCT
ajst-10990	125	4	for	for	ADP
ajst-10990	125	5	each	each	DET
ajst-10990	125	6	class	class	NOUN
ajst-10990	125	7	center	center	NOUN
ajst-10990	125	8	k	k	PROPN
ajst-10990	125	9	,	,	PUNCT
ajst-10990	125	10	recalculate	recalculate	VERB
ajst-10990	125	11	the	the	DET
ajst-10990	125	12	center	center	NOUN
ajst-10990	125	13	of	of	ADP
ajst-10990	125	14	the	the	DET
ajst-10990	125	15	class	class	NOUN
ajst-10990	125	16	𝑢	𝑢	PROPN
ajst-10990	125	17	𝑎𝑟𝑔𝑚𝑖𝑛	𝑎𝑟𝑔𝑚𝑖𝑛	PROPN
ajst-10990	125	18	||𝑥	||𝑥	NOUN
ajst-10990	125	19	𝑢||	𝑢||	ADP
ajst-10990	125	20	:	:	PUNCT
ajst-10990	125	21	finally	finally	ADV
ajst-10990	125	22	,	,	PUNCT
ajst-10990	125	23	it	it	PRON
ajst-10990	125	24	is	be	AUX
ajst-10990	125	25	divided	divide	VERB
ajst-10990	125	26	into	into	ADP
ajst-10990	125	27	k	k	PROPN
ajst-10990	125	28	types	type	NOUN
ajst-10990	125	29	of	of	ADP
ajst-10990	125	30	groups	group	NOUN
ajst-10990	125	31	through	through	ADP
ajst-10990	125	32	cluster	cluster	NOUN
ajst-10990	125	33	analysis	analysis	NOUN
ajst-10990	125	34	.	.	PUNCT
ajst-10990	126	1	for	for	ADP
ajst-10990	126	2	each	each	DET
ajst-10990	126	3	cluster	cluster	NOUN
ajst-10990	126	4	,	,	PUNCT
ajst-10990	126	5	the	the	DET
ajst-10990	126	6	commonality	commonality	NOUN
ajst-10990	126	7	and	and	CCONJ
ajst-10990	126	8	characteristics	characteristic	NOUN
ajst-10990	126	9	of	of	ADP
ajst-10990	126	10	users	user	NOUN
ajst-10990	126	11	can	can	AUX
ajst-10990	126	12	be	be	AUX
ajst-10990	126	13	analyzed	analyze	VERB
ajst-10990	126	14	,	,	PUNCT
ajst-10990	126	15	and	and	CCONJ
ajst-10990	126	16	one	one	NUM
ajst-10990	126	17	or	or	CCONJ
ajst-10990	126	18	more	more	ADJ
ajst-10990	126	19	labels	label	NOUN
ajst-10990	126	20	can	can	AUX
ajst-10990	126	21	be	be	AUX
ajst-10990	126	22	assigned	assign	VERB
ajst-10990	126	23	to	to	ADP
ajst-10990	126	24	the	the	DET
ajst-10990	126	25	cluster	cluster	NOUN
ajst-10990	126	26	according	accord	VERB
ajst-10990	126	27	to	to	ADP
ajst-10990	126	28	the	the	DET
ajst-10990	126	29	designed	design	VERB
ajst-10990	126	30	label	label	NOUN
ajst-10990	126	31	system	system	NOUN
ajst-10990	126	32	.	.	PUNCT
ajst-10990	127	1	these	these	DET
ajst-10990	127	2	tags	tag	NOUN
ajst-10990	127	3	can	can	AUX
ajst-10990	127	4	reflect	reflect	VERB
ajst-10990	127	5	the	the	DET
ajst-10990	127	6	interests	interest	NOUN
ajst-10990	127	7	,	,	PUNCT
ajst-10990	127	8	behavior	behavior	NOUN
ajst-10990	127	9	habits	habit	NOUN
ajst-10990	127	10	and	and	CCONJ
ajst-10990	127	11	other	other	ADJ
ajst-10990	127	12	characteristics	characteristic	NOUN
ajst-10990	127	13	of	of	ADP
ajst-10990	127	14	the	the	DET
ajst-10990	127	15	user	user	NOUN
ajst-10990	127	16	group	group	NOUN
ajst-10990	127	17	.	.	PUNCT
ajst-10990	128	1	finally	finally	ADV
ajst-10990	128	2	,	,	PUNCT
ajst-10990	128	3	the	the	DET
ajst-10990	128	4	labels	label	NOUN
ajst-10990	128	5	assigned	assign	VERB
ajst-10990	128	6	to	to	ADP
ajst-10990	128	7	each	each	DET
ajst-10990	128	8	cluster	cluster	NOUN
ajst-10990	128	9	are	be	AUX
ajst-10990	128	10	associated	associate	VERB
ajst-10990	128	11	with	with	ADP
ajst-10990	128	12	the	the	DET
ajst-10990	128	13	original	original	ADJ
ajst-10990	128	14	user	user	NOUN
ajst-10990	128	15	data	datum	NOUN
ajst-10990	128	16	to	to	PART
ajst-10990	128	17	construct	construct	VERB
ajst-10990	128	18	a	a	DET
ajst-10990	128	19	user	user	NOUN
ajst-10990	128	20	group	group	NOUN
ajst-10990	128	21	model	model	NOUN
ajst-10990	128	22	.	.	PUNCT
ajst-10990	129	1	3.3	3.3	NUM
ajst-10990	129	2	.	.	PUNCT
ajst-10990	130	1	user	user	NOUN
ajst-10990	130	2	portrait	portrait	PROPN
ajst-10990	130	3	model	model	NOUN
ajst-10990	130	4	combined	combine	VERB
ajst-10990	130	5	with	with	ADP
ajst-10990	130	6	collaborative	collaborative	ADJ
ajst-10990	130	7	filtering	filtering	NOUN
ajst-10990	130	8	algorithm	algorithm	NOUN
ajst-10990	130	9	the	the	DET
ajst-10990	130	10	collaborative	collaborative	ADJ
ajst-10990	130	11	filtering	filtering	NOUN
ajst-10990	130	12	algorithm	algorithm	NOUN
ajst-10990	130	13	can	can	AUX
ajst-10990	130	14	realize	realize	VERB
ajst-10990	130	15	the	the	DET
ajst-10990	130	16	personalization	personalization	NOUN
ajst-10990	130	17	and	and	CCONJ
ajst-10990	130	18	accuracy	accuracy	NOUN
ajst-10990	130	19	of	of	ADP
ajst-10990	130	20	product	product	NOUN
ajst-10990	130	21	recommendation	recommendation	NOUN
ajst-10990	130	22	through	through	ADP
ajst-10990	130	23	the	the	DET
ajst-10990	130	24	tags	tag	NOUN
ajst-10990	130	25	generated	generate	VERB
ajst-10990	130	26	by	by	ADP
ajst-10990	130	27	user	user	NOUN
ajst-10990	130	28	portraits[16	portraits[16	PROPN
ajst-10990	130	29	]	]	PUNCT
ajst-10990	130	30	.	.	PUNCT
ajst-10990	131	1	the	the	DET
ajst-10990	131	2	tags	tag	NOUN
ajst-10990	131	3	in	in	ADP
ajst-10990	131	4	user	user	NOUN
ajst-10990	131	5	portraits	portrait	NOUN
ajst-10990	131	6	are	be	AUX
ajst-10990	131	7	descriptions	description	NOUN
ajst-10990	131	8	of	of	ADP
ajst-10990	131	9	passenger	passenger	NOUN
ajst-10990	131	10	interests	interest	NOUN
ajst-10990	131	11	,	,	PUNCT
ajst-10990	131	12	preferences	preference	NOUN
ajst-10990	131	13	,	,	PUNCT
ajst-10990	131	14	and	and	CCONJ
ajst-10990	131	15	behaviors	behavior	NOUN
ajst-10990	131	16	,	,	PUNCT
ajst-10990	131	17	which	which	PRON
ajst-10990	131	18	can	can	AUX
ajst-10990	131	19	help	help	VERB
ajst-10990	131	20	collaborative	collaborative	ADJ
ajst-10990	131	21	filtering	filter	VERB
ajst-10990	131	22	algorithms	algorithm	NOUN
ajst-10990	131	23	better	well	ADV
ajst-10990	131	24	understand	understand	VERB
ajst-10990	131	25	users	user	NOUN
ajst-10990	131	26	and	and	CCONJ
ajst-10990	131	27	make	make	VERB
ajst-10990	131	28	personalized	personalized	ADJ
ajst-10990	131	29	recommendations	recommendation	NOUN
ajst-10990	131	30	.	.	PUNCT
ajst-10990	132	1	in	in	ADP
ajst-10990	132	2	this	this	DET
ajst-10990	132	3	paper	paper	NOUN
ajst-10990	132	4	,	,	PUNCT
ajst-10990	132	5	each	each	DET
ajst-10990	132	6	user	user	NOUN
ajst-10990	132	7	group	group	NOUN
ajst-10990	132	8	constructed	construct	VERB
ajst-10990	132	9	by	by	ADP
ajst-10990	132	10	the	the	DET
ajst-10990	132	11	user	user	NOUN
ajst-10990	132	12	portrait	portrait	NOUN
ajst-10990	132	13	is	be	AUX
ajst-10990	132	14	used	use	VERB
ajst-10990	132	15	as	as	ADP
ajst-10990	132	16	a	a	DET
ajst-10990	132	17	data	data	NOUN
ajst-10990	132	18	source	source	NOUN
ajst-10990	132	19	,	,	PUNCT
ajst-10990	132	20	and	and	CCONJ
ajst-10990	132	21	a	a	DET
ajst-10990	132	22	user	user	NOUN
ajst-10990	132	23	-	-	PUNCT
ajst-10990	132	24	based	base	VERB
ajst-10990	132	25	collaborative	collaborative	ADJ
ajst-10990	132	26	filtering	filtering	NOUN
ajst-10990	132	27	algorithm	algorithm	NOUN
ajst-10990	132	28	is	be	AUX
ajst-10990	132	29	used	use	VERB
ajst-10990	132	30	for	for	ADP
ajst-10990	132	31	recommendation	recommendation	NOUN
ajst-10990	132	32	.	.	PUNCT
ajst-10990	133	1	in	in	ADP
ajst-10990	133	2	the	the	DET
ajst-10990	133	3	collaborative	collaborative	ADJ
ajst-10990	133	4	filtering	filtering	NOUN
ajst-10990	133	5	algorithm	algorithm	NOUN
ajst-10990	133	6	,	,	PUNCT
ajst-10990	133	7	for	for	ADP
ajst-10990	133	8	the	the	DET
ajst-10990	133	9	target	target	NOUN
ajst-10990	133	10	passenger	passenger	NOUN
ajst-10990	133	11	,	,	PUNCT
ajst-10990	133	12	find	find	VERB
ajst-10990	133	13	other	other	ADJ
ajst-10990	133	14	users	user	NOUN
ajst-10990	133	15	who	who	PRON
ajst-10990	133	16	are	be	AUX
ajst-10990	133	17	similar	similar	ADJ
ajst-10990	133	18	to	to	ADP
ajst-10990	133	19	them	they	PRON
ajst-10990	133	20	in	in	ADP
ajst-10990	133	21	the	the	DET
ajst-10990	133	22	user	user	NOUN
ajst-10990	133	23	portrait	portrait	NOUN
ajst-10990	133	24	model	model	NOUN
ajst-10990	133	25	,	,	PUNCT
ajst-10990	133	26	and	and	CCONJ
ajst-10990	133	27	according	accord	VERB
ajst-10990	133	28	to	to	ADP
ajst-10990	133	29	the	the	DET
ajst-10990	133	30	behavior	behavior	NOUN
ajst-10990	133	31	and	and	CCONJ
ajst-10990	133	32	preferences	preference	NOUN
ajst-10990	133	33	of	of	ADP
ajst-10990	133	34	these	these	DET
ajst-10990	133	35	similar	similar	ADJ
ajst-10990	133	36	users	user	NOUN
ajst-10990	133	37	,	,	PUNCT
ajst-10990	133	38	recommend	recommend	VERB
ajst-10990	133	39	products	product	NOUN
ajst-10990	133	40	that	that	PRON
ajst-10990	133	41	may	may	AUX
ajst-10990	133	42	be	be	AUX
ajst-10990	133	43	of	of	ADP
ajst-10990	133	44	interest	interest	NOUN
ajst-10990	133	45	to	to	ADP
ajst-10990	133	46	the	the	DET
ajst-10990	133	47	target	target	NOUN
ajst-10990	133	48	user	user	NOUN
ajst-10990	133	49	and	and	CCONJ
ajst-10990	133	50	complete	complete	VERB
ajst-10990	133	51	the	the	DET
ajst-10990	133	52	personalized	personalized	ADJ
ajst-10990	133	53	travel	travel	NOUN
ajst-10990	133	54	recommendation	recommendation	NOUN
ajst-10990	133	55	for	for	ADP
ajst-10990	133	56	passengers	passenger	NOUN
ajst-10990	133	57	.	.	PUNCT
ajst-10990	134	1	the	the	DET
ajst-10990	134	2	following	follow	VERB
ajst-10990	134	3	is	be	AUX
ajst-10990	134	4	how	how	SCONJ
ajst-10990	134	5	the	the	DET
ajst-10990	134	6	collaborative	collaborative	ADJ
ajst-10990	134	7	filtering	filtering	NOUN
ajst-10990	134	8	algorithm	algorithm	PROPN
ajst-10990	134	9	uses	use	VERB
ajst-10990	134	10	the	the	DET
ajst-10990	134	11	user	user	NOUN
ajst-10990	134	12	group	group	NOUN
ajst-10990	134	13	generated	generate	VERB
ajst-10990	134	14	by	by	ADP
ajst-10990	134	15	the	the	DET
ajst-10990	134	16	user	user	NOUN
ajst-10990	134	17	portrait	portrait	NOUN
ajst-10990	134	18	to	to	PART
ajst-10990	134	19	realize	realize	VERB
ajst-10990	134	20	the	the	DET
ajst-10990	134	21	product	product	NOUN
ajst-10990	134	22	recommendation	recommendation	NOUN
ajst-10990	134	23	process	process	NOUN
ajst-10990	134	24	:	:	PUNCT
ajst-10990	134	25	(	(	PUNCT
ajst-10990	134	26	1	1	NUM
ajst-10990	134	27	)	)	PUNCT
ajst-10990	134	28	.	.	PUNCT
ajst-10990	135	1	user	user	NOUN
ajst-10990	135	2	group	group	PROPN
ajst-10990	135	3	feature	feature	NOUN
ajst-10990	135	4	value	value	NOUN
ajst-10990	135	5	extraction	extraction	NOUN
ajst-10990	135	6	for	for	ADP
ajst-10990	135	7	each	each	DET
ajst-10990	135	8	user	user	NOUN
ajst-10990	135	9	group	group	NOUN
ajst-10990	135	10	,	,	PUNCT
ajst-10990	135	11	group	group	NOUN
ajst-10990	135	12	features	feature	NOUN
ajst-10990	135	13	are	be	AUX
ajst-10990	135	14	further	far	ADV
ajst-10990	135	15	extracted	extract	VERB
ajst-10990	135	16	.	.	PUNCT
ajst-10990	136	1	in	in	ADP
ajst-10990	136	2	this	this	DET
ajst-10990	136	3	paper	paper	NOUN
ajst-10990	136	4	,	,	PUNCT
ajst-10990	136	5	user	user	NOUN
ajst-10990	136	6	age	age	NOUN
ajst-10990	136	7	and	and	CCONJ
ajst-10990	136	8	passengers	passenger	NOUN
ajst-10990	136	9	'	'	PART
ajst-10990	136	10	different	different	ADJ
ajst-10990	136	11	ratings	rating	NOUN
ajst-10990	136	12	on	on	ADP
ajst-10990	136	13	commodities	commodity	NOUN
ajst-10990	136	14	are	be	AUX
ajst-10990	136	15	used	use	VERB
ajst-10990	136	16	as	as	ADP
ajst-10990	136	17	group	group	NOUN
ajst-10990	136	18	features	feature	NOUN
ajst-10990	136	19	.	.	PUNCT
ajst-10990	137	1	these	these	DET
ajst-10990	137	2	group	group	NOUN
ajst-10990	137	3	features	feature	VERB
ajst-10990	137	4	can	can	AUX
ajst-10990	137	5	help	help	VERB
ajst-10990	137	6	to	to	PART
ajst-10990	137	7	better	well	ADV
ajst-10990	137	8	understand	understand	VERB
ajst-10990	137	9	the	the	DET
ajst-10990	137	10	commonality	commonality	NOUN
ajst-10990	137	11	and	and	CCONJ
ajst-10990	137	12	needs	need	NOUN
ajst-10990	137	13	of	of	ADP
ajst-10990	137	14	user	user	NOUN
ajst-10990	137	15	groups	group	NOUN
ajst-10990	137	16	.	.	PUNCT
ajst-10990	138	1	(	(	PUNCT
ajst-10990	138	2	2	2	NUM
ajst-10990	138	3	)	)	PUNCT
ajst-10990	138	4	.	.	PUNCT
ajst-10990	139	1	collaborative	collaborative	ADJ
ajst-10990	139	2	filtering	filtering	NOUN
ajst-10990	139	3	algorithm	algorithm	NOUN
ajst-10990	139	4	when	when	SCONJ
ajst-10990	139	5	implementing	implement	VERB
ajst-10990	139	6	personalized	personalized	ADJ
ajst-10990	139	7	recommendation	recommendation	NOUN
ajst-10990	139	8	,	,	PUNCT
ajst-10990	139	9	userbased	userbase	VERB
ajst-10990	139	10	collaborative	collaborative	ADJ
ajst-10990	139	11	filtering	filtering	NOUN
ajst-10990	139	12	algorithm	algorithm	NOUN
ajst-10990	139	13	is	be	AUX
ajst-10990	139	14	used	use	VERB
ajst-10990	139	15	.	.	PUNCT
ajst-10990	140	1	for	for	ADP
ajst-10990	140	2	each	each	DET
ajst-10990	140	3	user	user	NOUN
ajst-10990	140	4	group	group	NOUN
ajst-10990	140	5	,	,	PUNCT
ajst-10990	140	6	using	use	VERB
ajst-10990	140	7	the	the	DET
ajst-10990	140	8	similarity	similarity	NOUN
ajst-10990	140	9	calculation	calculation	NOUN
ajst-10990	140	10	method	method	NOUN
ajst-10990	140	11	,	,	PUNCT
ajst-10990	140	12	this	this	DET
ajst-10990	140	13	paper	paper	NOUN
ajst-10990	140	14	uses	use	VERB
ajst-10990	140	15	the	the	DET
ajst-10990	140	16	pearson	pearson	PROPN
ajst-10990	140	17	correlation	correlation	NOUN
ajst-10990	140	18	coefficient	coefficient	NOUN
ajst-10990	140	19	to	to	PART
ajst-10990	140	20	calculate	calculate	VERB
ajst-10990	140	21	the	the	DET
ajst-10990	140	22	similarity	similarity	NOUN
ajst-10990	140	23	,	,	PUNCT
ajst-10990	140	24	and	and	CCONJ
ajst-10990	140	25	find	find	VERB
ajst-10990	140	26	other	other	ADJ
ajst-10990	140	27	user	user	NOUN
ajst-10990	140	28	groups	group	NOUN
ajst-10990	140	29	that	that	PRON
ajst-10990	140	30	are	be	AUX
ajst-10990	140	31	most	most	ADV
ajst-10990	140	32	similar	similar	ADJ
ajst-10990	140	33	to	to	ADP
ajst-10990	140	34	this	this	DET
ajst-10990	140	35	group	group	NOUN
ajst-10990	140	36	,	,	PUNCT
ajst-10990	140	37	that	that	ADV
ajst-10990	140	38	is	is	ADV
ajst-10990	140	39	,	,	PUNCT
ajst-10990	140	40	similar	similar	ADJ
ajst-10990	140	41	groups	group	NOUN
ajst-10990	140	42	.	.	PUNCT
ajst-10990	141	1	the	the	DET
ajst-10990	141	2	algorithm	algorithm	NOUN
ajst-10990	141	3	formula	formula	NOUN
ajst-10990	141	4	of	of	ADP
ajst-10990	141	5	the	the	DET
ajst-10990	141	6	pearson	pearson	PROPN
ajst-10990	141	7	correlation	correlation	NOUN
ajst-10990	141	8	coefficient	coefficient	NOUN
ajst-10990	141	9	is	be	AUX
ajst-10990	141	10	as	as	SCONJ
ajst-10990	141	11	follows	follow	VERB
ajst-10990	141	12	:	:	PUNCT
ajst-10990	141	13	𝑟	𝑟	X
ajst-10990	141	14	∑	∑	PUNCT
ajst-10990	141	15	𝑥	𝑥	DET
ajst-10990	141	16	�	�	PROPN
ajst-10990	141	17	̅	̅	NOUN
ajst-10990	141	18	�	�	NOUN
ajst-10990	141	19	𝑦	𝑦	SYM
ajst-10990	141	20	𝑦	𝑦	PROPN
ajst-10990	141	21	∑	∑	PART
ajst-10990	141	22	𝑥	𝑥	PRON
ajst-10990	141	23	�	�	PROPN
ajst-10990	141	24	̅	̅	NOUN
ajst-10990	141	25	�	�	NOUN
ajst-10990	141	26	∑	∑	PUNCT
ajst-10990	141	27	𝑦	𝑦	PRON
ajst-10990	141	28	𝑦	𝑦	NOUN
ajst-10990	141	29	among	among	ADP
ajst-10990	141	30	them	they	PRON
ajst-10990	141	31	,	,	PUNCT
ajst-10990	141	32	𝑥	𝑥	PROPN
ajst-10990	141	33	takes	take	VERB
ajst-10990	141	34	the	the	DET
ajst-10990	141	35	age	age	NOUN
ajst-10990	141	36	of	of	ADP
ajst-10990	141	37	passengers	passenger	NOUN
ajst-10990	141	38	as	as	ADP
ajst-10990	141	39	the	the	DET
ajst-10990	141	40	behavior	behavior	NOUN
ajst-10990	141	41	variable	variable	NOUN
ajst-10990	141	42	,	,	PUNCT
ajst-10990	141	43	�	�	NOUN
ajst-10990	141	44	̅	̅	NOUN
ajst-10990	141	45	�	�	NOUN
ajst-10990	141	46	is	be	AUX
ajst-10990	141	47	the	the	DET
ajst-10990	141	48	average	average	ADJ
ajst-10990	141	49	age	age	NOUN
ajst-10990	141	50	of	of	ADP
ajst-10990	141	51	passengers	passenger	NOUN
ajst-10990	141	52	,	,	PUNCT
ajst-10990	141	53	𝑦	𝑦	PRON
ajst-10990	141	54	takes	take	VERB
ajst-10990	141	55	the	the	DET
ajst-10990	141	56	ratings	rating	NOUN
ajst-10990	141	57	of	of	ADP
ajst-10990	141	58	passengers	passenger	NOUN
ajst-10990	141	59	on	on	ADP
ajst-10990	141	60	different	different	ADJ
ajst-10990	141	61	commodities	commodity	NOUN
ajst-10990	141	62	as	as	ADP
ajst-10990	141	63	data	data	NOUN
ajst-10990	141	64	variables	variable	NOUN
ajst-10990	141	65	,	,	PUNCT
ajst-10990	141	66	𝑦	𝑦	NOUN
ajst-10990	141	67	is	be	AUX
ajst-10990	141	68	the	the	DET
ajst-10990	141	69	average	average	ADJ
ajst-10990	141	70	rating	rating	NOUN
ajst-10990	141	71	of	of	ADP
ajst-10990	141	72	commodities	commodity	NOUN
ajst-10990	141	73	,	,	PUNCT
ajst-10990	141	74	and	and	CCONJ
ajst-10990	141	75	n	n	PRON
ajst-10990	141	76	is	be	AUX
ajst-10990	141	77	the	the	DET
ajst-10990	141	78	sample	sample	NOUN
ajst-10990	141	79	size	size	NOUN
ajst-10990	141	80	of	of	ADP
ajst-10990	141	81	passenger	passenger	NOUN
ajst-10990	141	82	group	group	NOUN
ajst-10990	141	83	data	datum	NOUN
ajst-10990	141	84	.	.	PUNCT
ajst-10990	142	1	(	(	PUNCT
ajst-10990	142	2	3	3	NUM
ajst-10990	142	3	)	)	PUNCT
ajst-10990	142	4	.	.	PUNCT
ajst-10990	143	1	group	group	NOUN
ajst-10990	143	2	recommendation	recommendation	NOUN
ajst-10990	143	3	using	use	VERB
ajst-10990	143	4	the	the	DET
ajst-10990	143	5	behavior	behavior	NOUN
ajst-10990	143	6	and	and	CCONJ
ajst-10990	143	7	interests	interest	NOUN
ajst-10990	143	8	of	of	ADP
ajst-10990	143	9	similar	similar	ADJ
ajst-10990	143	10	groups	group	NOUN
ajst-10990	143	11	as	as	ADP
ajst-10990	143	12	a	a	DET
ajst-10990	143	13	reference	reference	NOUN
ajst-10990	143	14	,	,	PUNCT
ajst-10990	143	15	recommend	recommend	VERB
ajst-10990	143	16	items	item	NOUN
ajst-10990	143	17	that	that	PRON
ajst-10990	143	18	may	may	AUX
ajst-10990	143	19	be	be	AUX
ajst-10990	143	20	of	of	ADP
ajst-10990	143	21	interest	interest	NOUN
ajst-10990	143	22	to	to	ADP
ajst-10990	143	23	the	the	DET
ajst-10990	143	24	target	target	NOUN
ajst-10990	143	25	user	user	NOUN
ajst-10990	143	26	group	group	NOUN
ajst-10990	143	27	.	.	PUNCT
ajst-10990	144	1	the	the	DET
ajst-10990	144	2	recommendation	recommendation	NOUN
ajst-10990	144	3	results	result	NOUN
ajst-10990	144	4	of	of	ADP
ajst-10990	144	5	similar	similar	ADJ
ajst-10990	144	6	groups	group	NOUN
ajst-10990	144	7	can	can	AUX
ajst-10990	144	8	be	be	AUX
ajst-10990	144	9	weighted	weight	VERB
ajst-10990	144	10	and	and	CCONJ
ajst-10990	144	11	averaged	average	VERB
ajst-10990	144	12	,	,	PUNCT
ajst-10990	144	13	or	or	CCONJ
ajst-10990	144	14	the	the	DET
ajst-10990	144	15	recommendation	recommendation	NOUN
ajst-10990	144	16	results	result	NOUN
ajst-10990	144	17	can	can	AUX
ajst-10990	144	18	be	be	AUX
ajst-10990	144	19	combined	combine	VERB
ajst-10990	144	20	based	base	VERB
ajst-10990	144	21	on	on	ADP
ajst-10990	144	22	diversity	diversity	NOUN
ajst-10990	144	23	.	.	PUNCT
ajst-10990	145	1	(	(	PUNCT
ajst-10990	145	2	4	4	NUM
ajst-10990	145	3	)	)	PUNCT
ajst-10990	145	4	.	.	PUNCT
ajst-10990	146	1	generate	generate	VERB
ajst-10990	146	2	recommendation	recommendation	NOUN
ajst-10990	146	3	list	list	NOUN
ajst-10990	146	4	according	accord	VERB
ajst-10990	146	5	to	to	ADP
ajst-10990	146	6	the	the	DET
ajst-10990	146	7	list	list	NOUN
ajst-10990	146	8	of	of	ADP
ajst-10990	146	9	items	item	NOUN
ajst-10990	146	10	recommended	recommend	VERB
ajst-10990	146	11	by	by	ADP
ajst-10990	146	12	the	the	DET
ajst-10990	146	13	group	group	NOUN
ajst-10990	146	14	,	,	PUNCT
ajst-10990	146	15	the	the	DET
ajst-10990	146	16	final	final	ADJ
ajst-10990	146	17	recommendation	recommendation	NOUN
ajst-10990	146	18	list	list	NOUN
ajst-10990	146	19	is	be	AUX
ajst-10990	146	20	generated	generate	VERB
ajst-10990	146	21	with	with	ADP
ajst-10990	146	22	the	the	DET
ajst-10990	146	23	predicted	predict	VERB
ajst-10990	146	24	score	score	NOUN
ajst-10990	146	25	of	of	ADP
ajst-10990	146	26	the	the	DET
ajst-10990	146	27	item	item	NOUN
ajst-10990	146	28	as	as	ADP
ajst-10990	146	29	the	the	DET
ajst-10990	146	30	weight	weight	NOUN
ajst-10990	146	31	,	,	PUNCT
ajst-10990	146	32	and	and	CCONJ
ajst-10990	146	33	presented	present	VERB
ajst-10990	146	34	to	to	ADP
ajst-10990	146	35	the	the	DET
ajst-10990	146	36	target	target	NOUN
ajst-10990	146	37	user	user	NOUN
ajst-10990	146	38	group	group	NOUN
ajst-10990	146	39	.	.	PUNCT
ajst-10990	147	1	the	the	DET
ajst-10990	147	2	flow	flow	NOUN
ajst-10990	147	3	chart	chart	NOUN
ajst-10990	147	4	of	of	ADP
ajst-10990	147	5	its	its	PRON
ajst-10990	147	6	user	user	NOUN
ajst-10990	147	7	portrait	portrait	NOUN
ajst-10990	147	8	combined	combine	VERB
ajst-10990	147	9	with	with	ADP
ajst-10990	147	10	collaborative	collaborative	ADJ
ajst-10990	147	11	filtering	filtering	NOUN
ajst-10990	147	12	algorithm	algorithm	NOUN
ajst-10990	147	13	is	be	AUX
ajst-10990	147	14	shown	show	VERB
ajst-10990	147	15	in	in	ADP
ajst-10990	147	16	figure	figure	NOUN
ajst-10990	147	17	4	4	NUM
ajst-10990	147	18	：	：	PUNCT
ajst-10990	147	19	figure	figure	NOUN
ajst-10990	147	20	4	4	NUM
ajst-10990	147	21	.	.	PUNCT
ajst-10990	147	22	flow	flow	VERB
ajst-10990	147	23	chart	chart	NOUN
ajst-10990	147	24	of	of	ADP
ajst-10990	147	25	user	user	NOUN
ajst-10990	147	26	portrait	portrait	NOUN
ajst-10990	147	27	combined	combine	VERB
ajst-10990	147	28	with	with	ADP
ajst-10990	147	29	collaborative	collaborative	ADJ
ajst-10990	147	30	filtering	filtering	NOUN
ajst-10990	147	31	algorithm	algorithm	NOUN
ajst-10990	147	32	4	4	NUM
ajst-10990	147	33	.	.	PUNCT
ajst-10990	147	34	result	result	VERB
ajst-10990	147	35	analysis	analysis	NOUN
ajst-10990	147	36	in	in	ADP
ajst-10990	147	37	this	this	DET
ajst-10990	147	38	chapter	chapter	NOUN
ajst-10990	147	39	,	,	PUNCT
ajst-10990	147	40	we	we	PRON
ajst-10990	147	41	compare	compare	VERB
ajst-10990	147	42	the	the	DET
ajst-10990	147	43	test	test	NOUN
ajst-10990	147	44	standards	standard	NOUN
ajst-10990	147	45	and	and	CCONJ
ajst-10990	147	46	test	test	NOUN
ajst-10990	147	47	results	result	NOUN
ajst-10990	147	48	of	of	ADP
ajst-10990	147	49	the	the	DET
ajst-10990	147	50	traditional	traditional	ADJ
ajst-10990	147	51	collaborative	collaborative	ADJ
ajst-10990	147	52	filtering	filter	VERB
ajst-10990	147	53	algorithm	algorithm	NOUN
ajst-10990	147	54	and	and	CCONJ
ajst-10990	147	55	the	the	DET
ajst-10990	147	56	user	user	NOUN
ajst-10990	147	57	portrait	portrait	NOUN
ajst-10990	147	58	combined	combine	VERB
ajst-10990	147	59	with	with	ADP
ajst-10990	147	60	the	the	DET
ajst-10990	147	61	collaborative	collaborative	ADJ
ajst-10990	147	62	filtering	filtering	NOUN
ajst-10990	147	63	start	start	NOUN
ajst-10990	147	64	user	user	NOUN
ajst-10990	147	65	profile	profile	NOUN
ajst-10990	147	66	modeling	modeling	NOUN
ajst-10990	147	67	generate	generate	VERB
ajst-10990	147	68	k	k	PROPN
ajst-10990	147	69	user	user	NOUN
ajst-10990	147	70	groups	group	NOUN
ajst-10990	147	71	enter	enter	VERB
ajst-10990	147	72	k1	k1	NOUN
ajst-10990	147	73	(	(	PUNCT
ajst-10990	147	74	k1	k1	PROPN
ajst-10990	147	75	nearest	near	ADJ
ajst-10990	147	76	neighbor	neighbor	NOUN
ajst-10990	147	77	)	)	PUNCT
ajst-10990	147	78	the	the	DET
ajst-10990	147	79	similarity	similarity	NOUN
ajst-10990	147	80	between	between	ADP
ajst-10990	147	81	user	user	NOUN
ajst-10990	147	82	groups	group	NOUN
ajst-10990	147	83	is	be	AUX
ajst-10990	147	84	calculated	calculate	VERB
ajst-10990	147	85	by	by	ADP
ajst-10990	147	86	pearson	pearson	PROPN
ajst-10990	147	87	,	,	PUNCT
ajst-10990	147	88	and	and	CCONJ
ajst-10990	147	89	the	the	DET
ajst-10990	147	90	user	user	NOUN
ajst-10990	147	91	group	group	NOUN
ajst-10990	147	92	similarity	similarity	NOUN
ajst-10990	147	93	matrix	matrix	NOUN
ajst-10990	147	94	is	be	AUX
ajst-10990	147	95	obtained	obtain	VERB
ajst-10990	147	96	.	.	PUNCT
ajst-10990	148	1	ranking	rank	VERB
ajst-10990	148	2	of	of	ADP
ajst-10990	148	3	user	user	NOUN
ajst-10990	148	4	group	group	NOUN
ajst-10990	148	5	matrix	matrix	NOUN
ajst-10990	148	6	through	through	ADP
ajst-10990	148	7	the	the	DET
ajst-10990	148	8	k1	k1	PROPN
ajst-10990	148	9	nearest	near	ADJ
ajst-10990	148	10	neighbor	neighbor	NOUN
ajst-10990	148	11	,	,	PUNCT
ajst-10990	148	12	calculate	calculate	VERB
ajst-10990	148	13	the	the	DET
ajst-10990	148	14	matrix	matrix	NOUN
ajst-10990	148	15	of	of	ADP
ajst-10990	148	16	the	the	DET
ajst-10990	148	17	interest	interest	NOUN
ajst-10990	148	18	degree	degree	NOUN
ajst-10990	148	19	of	of	ADP
ajst-10990	148	20	the	the	DET
ajst-10990	148	21	user	user	NOUN
ajst-10990	148	22	group	group	NOUN
ajst-10990	148	23	to	to	ADP
ajst-10990	148	24	the	the	DET
ajst-10990	148	25	item	item	NOUN
ajst-10990	148	26	.	.	PUNCT
ajst-10990	149	1	the	the	DET
ajst-10990	149	2	top	top	ADJ
ajst-10990	149	3	n	n	NOUN
ajst-10990	149	4	are	be	AUX
ajst-10990	149	5	recommended	recommend	VERB
ajst-10990	149	6	by	by	ADP
ajst-10990	149	7	the	the	DET
ajst-10990	149	8	degree	degree	NOUN
ajst-10990	149	9	of	of	ADP
ajst-10990	149	10	interest	interest	NOUN
ajst-10990	149	11	in	in	ADP
ajst-10990	149	12	the	the	DET
ajst-10990	149	13	items	item	NOUN
ajst-10990	149	14	.	.	PUNCT
ajst-10990	150	1	calculate	calculate	NOUN
ajst-10990	150	2	recall	recall	NOUN
ajst-10990	150	3	,	,	PUNCT
ajst-10990	150	4	accuracy	accuracy	NOUN
ajst-10990	150	5	and	and	CCONJ
ajst-10990	150	6	coverage	coverage	NOUN
ajst-10990	150	7	end	end	VERB
ajst-10990	150	8	68	68	NUM
ajst-10990	150	9	algorithm	algorithm	NOUN
ajst-10990	150	10	.	.	PUNCT
ajst-10990	151	1	the	the	DET
ajst-10990	151	2	collaborative	collaborative	ADJ
ajst-10990	151	3	filtering	filter	VERB
ajst-10990	151	4	recommendation	recommendation	NOUN
ajst-10990	151	5	algorithm	algorithm	NOUN
ajst-10990	151	6	combined	combine	VERB
ajst-10990	151	7	with	with	ADP
ajst-10990	151	8	user	user	NOUN
ajst-10990	151	9	portraits	portrait	NOUN
ajst-10990	151	10	is	be	AUX
ajst-10990	151	11	aimed	aim	VERB
ajst-10990	151	12	at	at	ADP
ajst-10990	151	13	a	a	DET
ajst-10990	151	14	large	large	ADJ
ajst-10990	151	15	number	number	NOUN
ajst-10990	151	16	of	of	ADP
ajst-10990	151	17	mobile	mobile	ADJ
ajst-10990	151	18	users	user	NOUN
ajst-10990	151	19	in	in	ADP
ajst-10990	151	20	scenic	scenic	ADJ
ajst-10990	151	21	spots	spot	NOUN
ajst-10990	151	22	,	,	PUNCT
ajst-10990	151	23	and	and	CCONJ
ajst-10990	151	24	solves	solve	VERB
ajst-10990	151	25	the	the	DET
ajst-10990	151	26	problem	problem	NOUN
ajst-10990	151	27	that	that	SCONJ
ajst-10990	151	28	it	it	PRON
ajst-10990	151	29	is	be	AUX
ajst-10990	151	30	difficult	difficult	ADJ
ajst-10990	151	31	to	to	PART
ajst-10990	151	32	make	make	VERB
ajst-10990	151	33	accurate	accurate	ADJ
ajst-10990	151	34	predictions	prediction	NOUN
ajst-10990	151	35	and	and	CCONJ
ajst-10990	151	36	recommendations	recommendation	NOUN
ajst-10990	151	37	due	due	ADP
ajst-10990	151	38	to	to	ADP
ajst-10990	151	39	the	the	DET
ajst-10990	151	40	lack	lack	NOUN
ajst-10990	151	41	of	of	ADP
ajst-10990	151	42	behavior	behavior	NOUN
ajst-10990	151	43	data	datum	NOUN
ajst-10990	151	44	of	of	ADP
ajst-10990	151	45	new	new	ADJ
ajst-10990	151	46	tourists	tourist	NOUN
ajst-10990	151	47	.	.	PUNCT
ajst-10990	152	1	in	in	ADP
ajst-10990	152	2	this	this	DET
ajst-10990	152	3	paper	paper	NOUN
ajst-10990	152	4	,	,	PUNCT
ajst-10990	152	5	new	new	ADJ
ajst-10990	152	6	users	user	NOUN
ajst-10990	152	7	are	be	AUX
ajst-10990	152	8	divided	divide	VERB
ajst-10990	152	9	into	into	ADP
ajst-10990	152	10	user	user	NOUN
ajst-10990	152	11	groups	group	NOUN
ajst-10990	152	12	,	,	PUNCT
ajst-10990	152	13	and	and	CCONJ
ajst-10990	152	14	the	the	DET
ajst-10990	152	15	recommendation	recommendation	NOUN
ajst-10990	152	16	list	list	NOUN
ajst-10990	152	17	constructed	construct	VERB
ajst-10990	152	18	based	base	VERB
ajst-10990	152	19	on	on	ADP
ajst-10990	152	20	the	the	DET
ajst-10990	152	21	behavior	behavior	NOUN
ajst-10990	152	22	characteristics	characteristic	NOUN
ajst-10990	152	23	and	and	CCONJ
ajst-10990	152	24	attribute	attribute	NOUN
ajst-10990	152	25	characteristics	characteristic	NOUN
ajst-10990	152	26	of	of	ADP
ajst-10990	152	27	old	old	ADJ
ajst-10990	152	28	users	user	NOUN
ajst-10990	152	29	is	be	AUX
ajst-10990	152	30	used	use	VERB
ajst-10990	152	31	as	as	ADP
ajst-10990	152	32	the	the	DET
ajst-10990	152	33	basis	basis	NOUN
ajst-10990	152	34	to	to	PART
ajst-10990	152	35	achieve	achieve	VERB
ajst-10990	152	36	the	the	DET
ajst-10990	152	37	purpose	purpose	NOUN
ajst-10990	152	38	of	of	ADP
ajst-10990	152	39	accurate	accurate	ADJ
ajst-10990	152	40	and	and	CCONJ
ajst-10990	152	41	personalized	personalized	ADJ
ajst-10990	152	42	recommendation	recommendation	NOUN
ajst-10990	152	43	of	of	ADP
ajst-10990	152	44	special	special	ADJ
ajst-10990	152	45	products	product	NOUN
ajst-10990	152	46	in	in	ADP
ajst-10990	152	47	scenic	scenic	ADJ
ajst-10990	152	48	spots	spot	NOUN
ajst-10990	152	49	for	for	ADP
ajst-10990	152	50	new	new	ADJ
ajst-10990	152	51	and	and	CCONJ
ajst-10990	152	52	old	old	ADJ
ajst-10990	152	53	users	user	NOUN
ajst-10990	152	54	of	of	ADP
ajst-10990	152	55	scenic	scenic	ADJ
ajst-10990	152	56	spots	spot	NOUN
ajst-10990	152	57	.	.	PUNCT
ajst-10990	153	1	in	in	ADP
ajst-10990	153	2	order	order	NOUN
ajst-10990	153	3	to	to	PART
ajst-10990	153	4	ensure	ensure	VERB
ajst-10990	153	5	the	the	DET
ajst-10990	153	6	authenticity	authenticity	NOUN
ajst-10990	153	7	and	and	CCONJ
ajst-10990	153	8	scientificity	scientificity	NOUN
ajst-10990	153	9	of	of	ADP
ajst-10990	153	10	the	the	DET
ajst-10990	153	11	data	datum	NOUN
ajst-10990	153	12	,	,	PUNCT
ajst-10990	153	13	this	this	DET
ajst-10990	153	14	paper	paper	NOUN
ajst-10990	153	15	collects	collect	VERB
ajst-10990	153	16	real	real	ADJ
ajst-10990	153	17	data	datum	NOUN
ajst-10990	153	18	based	base	VERB
ajst-10990	153	19	on	on	ADP
ajst-10990	153	20	tourism	tourism	NOUN
ajst-10990	153	21	websites	website	NOUN
ajst-10990	153	22	as	as	SCONJ
ajst-10990	153	23	the	the	DET
ajst-10990	153	24	old	old	ADJ
ajst-10990	153	25	user	user	NOUN
ajst-10990	153	26	data	datum	NOUN
ajst-10990	153	27	set	set	VERB
ajst-10990	153	28	,	,	PUNCT
ajst-10990	153	29	and	and	CCONJ
ajst-10990	153	30	manually	manually	ADV
ajst-10990	153	31	adds	add	VERB
ajst-10990	153	32	new	new	ADJ
ajst-10990	153	33	user	user	NOUN
ajst-10990	153	34	passenger	passenger	NOUN
ajst-10990	153	35	information	information	NOUN
ajst-10990	153	36	as	as	SCONJ
ajst-10990	153	37	the	the	DET
ajst-10990	153	38	new	new	ADJ
ajst-10990	153	39	user	user	NOUN
ajst-10990	153	40	data	datum	NOUN
ajst-10990	153	41	set	set	VERB
ajst-10990	153	42	.	.	PUNCT
ajst-10990	154	1	4.1	4.1	NUM
ajst-10990	154	2	.	.	PUNCT
ajst-10990	154	3	measured	measure	VERB
ajst-10990	154	4	standard	standard	NOUN
ajst-10990	154	5	there	there	PRON
ajst-10990	154	6	are	be	VERB
ajst-10990	154	7	three	three	NUM
ajst-10990	154	8	evaluation	evaluation	NOUN
ajst-10990	154	9	indicators	indicator	NOUN
ajst-10990	154	10	in	in	ADP
ajst-10990	154	11	the	the	DET
ajst-10990	154	12	smart	smart	ADJ
ajst-10990	154	13	travel	travel	NOUN
ajst-10990	154	14	recommendation	recommendation	NOUN
ajst-10990	154	15	system	system	NOUN
ajst-10990	154	16	,	,	PUNCT
ajst-10990	154	17	which	which	PRON
ajst-10990	154	18	are	be	AUX
ajst-10990	154	19	accuracy	accuracy	NOUN
ajst-10990	154	20	,	,	PUNCT
ajst-10990	154	21	novelty	novelty	NOUN
ajst-10990	154	22	and	and	CCONJ
ajst-10990	154	23	coverage[17	coverage[17	NUM
ajst-10990	154	24	]	]	PUNCT
ajst-10990	154	25	.	.	PUNCT
ajst-10990	155	1	accuracy	accuracy	NOUN
ajst-10990	155	2	is	be	AUX
ajst-10990	155	3	a	a	DET
ajst-10990	155	4	test	test	NOUN
ajst-10990	155	5	of	of	ADP
ajst-10990	155	6	the	the	DET
ajst-10990	155	7	results	result	NOUN
ajst-10990	155	8	of	of	ADP
ajst-10990	155	9	an	an	DET
ajst-10990	155	10	algorithm	algorithm	NOUN
ajst-10990	155	11	.	.	PUNCT
ajst-10990	156	1	accuracy	accuracy	NOUN
ajst-10990	156	2	is	be	AUX
ajst-10990	156	3	used	use	VERB
ajst-10990	156	4	as	as	ADP
ajst-10990	156	5	the	the	DET
ajst-10990	156	6	index	index	NOUN
ajst-10990	156	7	to	to	PART
ajst-10990	156	8	evaluate	evaluate	VERB
ajst-10990	156	9	the	the	DET
ajst-10990	156	10	experiment	experiment	NOUN
ajst-10990	156	11	.	.	PUNCT
ajst-10990	157	1	the	the	DET
ajst-10990	157	2	experiment	experiment	NOUN
ajst-10990	157	3	uses	use	VERB
ajst-10990	157	4	mae	mae	PROPN
ajst-10990	157	5	as	as	ADP
ajst-10990	157	6	the	the	DET
ajst-10990	157	7	evaluation	evaluation	NOUN
ajst-10990	157	8	standard	standard	NOUN
ajst-10990	157	9	for	for	ADP
ajst-10990	157	10	test	test	NOUN
ajst-10990	157	11	verification	verification	NOUN
ajst-10990	157	12	.	.	PUNCT
ajst-10990	158	1	mae	mae	PROPN
ajst-10990	158	2	reflects	reflect	VERB
ajst-10990	158	3	the	the	DET
ajst-10990	158	4	gap	gap	NOUN
ajst-10990	158	5	between	between	ADP
ajst-10990	158	6	the	the	DET
ajst-10990	158	7	actual	actual	ADJ
ajst-10990	158	8	rating	rating	NOUN
ajst-10990	158	9	value	value	NOUN
ajst-10990	158	10	and	and	CCONJ
ajst-10990	158	11	the	the	DET
ajst-10990	158	12	predicted	predict	VERB
ajst-10990	158	13	rating	rating	NOUN
ajst-10990	158	14	value[18	value[18	PROPN
ajst-10990	158	15	]	]	PUNCT
ajst-10990	158	16	.	.	PUNCT
ajst-10990	159	1	the	the	PRON
ajst-10990	159	2	smaller	small	ADJ
ajst-10990	159	3	the	the	DET
ajst-10990	159	4	gap	gap	NOUN
ajst-10990	159	5	between	between	ADP
ajst-10990	159	6	the	the	DET
ajst-10990	159	7	two	two	NUM
ajst-10990	159	8	,	,	PUNCT
ajst-10990	159	9	the	the	PRON
ajst-10990	159	10	better	well	ADJ
ajst-10990	159	11	the	the	DET
ajst-10990	159	12	recommendation	recommendation	NOUN
ajst-10990	159	13	effect	effect	NOUN
ajst-10990	159	14	.	.	PUNCT
ajst-10990	160	1	it	it	PRON
ajst-10990	160	2	is	be	AUX
ajst-10990	160	3	assumed	assume	VERB
ajst-10990	160	4	that	that	SCONJ
ajst-10990	160	5	the	the	DET
ajst-10990	160	6	predicted	predict	VERB
ajst-10990	160	7	rating	rating	NOUN
ajst-10990	160	8	set	set	NOUN
ajst-10990	160	9	of	of	ADP
ajst-10990	160	10	the	the	DET
ajst-10990	160	11	user	user	NOUN
ajst-10990	160	12	portrait	portrait	NOUN
ajst-10990	160	13	combined	combine	VERB
ajst-10990	160	14	with	with	ADP
ajst-10990	160	15	the	the	DET
ajst-10990	160	16	collaborative	collaborative	ADJ
ajst-10990	160	17	filtering	filtering	NOUN
ajst-10990	160	18	model	model	NOUN
ajst-10990	160	19	is	be	AUX
ajst-10990	160	20	{	{	PUNCT
ajst-10990	160	21	p1,p2,	p1,p2,	NOUN
ajst-10990	160	22	...	...	PUNCT
ajst-10990	160	23	,pn	,pn	PUNCT
ajst-10990	160	24	}	}	PUNCT
ajst-10990	160	25	,	,	PUNCT
ajst-10990	160	26	the	the	DET
ajst-10990	160	27	user	user	NOUN
ajst-10990	160	28	group	group	NOUN
ajst-10990	160	29	's	's	PART
ajst-10990	160	30	rating	rating	NOUN
ajst-10990	160	31	set	set	NOUN
ajst-10990	160	32	for	for	ADP
ajst-10990	160	33	the	the	DET
ajst-10990	160	34	product	product	NOUN
ajst-10990	160	35	is	be	AUX
ajst-10990	160	36	{	{	PUNCT
ajst-10990	160	37	q1,q2,	q1,q2,	PROPN
ajst-10990	160	38	...	...	PUNCT
ajst-10990	160	39	,qn	,qn	PROPN
ajst-10990	160	40	}	}	PUNCT
ajst-10990	160	41	,	,	PUNCT
ajst-10990	160	42	the	the	DET
ajst-10990	160	43	calculation	calculation	NOUN
ajst-10990	160	44	formula	formula	NOUN
ajst-10990	160	45	of	of	ADP
ajst-10990	160	46	mae	mae	PROPN
ajst-10990	160	47	can	can	AUX
ajst-10990	160	48	be	be	AUX
ajst-10990	160	49	expressed	express	VERB
ajst-10990	160	50	as	as	ADP
ajst-10990	160	51	：	：	PUNCT
ajst-10990	160	52	𝑀𝐴𝐸	𝑀𝐴𝐸	PROPN
ajst-10990	160	53	∑	∑	PUNCT
ajst-10990	160	54	|𝑝	|𝑝	NOUN
ajst-10990	160	55	𝑞	𝑞	X
ajst-10990	160	56	|	|	ADV
ajst-10990	160	57	𝑁	𝑁	PROPN
ajst-10990	160	58	among	among	ADP
ajst-10990	160	59	them	they	PRON
ajst-10990	160	60	,	,	PUNCT
ajst-10990	160	61	n	n	X
ajst-10990	160	62	is	be	AUX
ajst-10990	160	63	the	the	DET
ajst-10990	160	64	size	size	NOUN
ajst-10990	160	65	of	of	ADP
ajst-10990	160	66	the	the	DET
ajst-10990	160	67	test	test	NOUN
ajst-10990	160	68	set	set	NOUN
ajst-10990	160	69	,	,	PUNCT
ajst-10990	160	70	𝑝	𝑝	PROPN
ajst-10990	160	71	is	be	AUX
ajst-10990	160	72	the	the	DET
ajst-10990	160	73	predicted	predict	VERB
ajst-10990	160	74	rating	rating	NOUN
ajst-10990	160	75	value	value	NOUN
ajst-10990	160	76	given	give	VERB
ajst-10990	160	77	by	by	ADP
ajst-10990	160	78	the	the	DET
ajst-10990	160	79	recommendation	recommendation	NOUN
ajst-10990	160	80	algorithm	algorithm	NOUN
ajst-10990	160	81	,	,	PUNCT
ajst-10990	160	82	and	and	CCONJ
ajst-10990	160	83	𝑞	𝑞	PROPN
ajst-10990	160	84	is	be	AUX
ajst-10990	160	85	the	the	DET
ajst-10990	160	86	actual	actual	ADJ
ajst-10990	160	87	average	average	ADJ
ajst-10990	160	88	rating	rating	NOUN
ajst-10990	160	89	of	of	ADP
ajst-10990	160	90	the	the	DET
ajst-10990	160	91	i	i	PROPN
ajst-10990	160	92	commodity	commodity	NOUN
ajst-10990	160	93	by	by	ADP
ajst-10990	160	94	the	the	DET
ajst-10990	160	95	actual	actual	ADJ
ajst-10990	160	96	passenger	passenger	NOUN
ajst-10990	160	97	group	group	NOUN
ajst-10990	160	98	.	.	PUNCT
ajst-10990	161	1	the	the	PRON
ajst-10990	161	2	larger	large	ADJ
ajst-10990	161	3	the	the	DET
ajst-10990	161	4	error	error	NOUN
ajst-10990	161	5	of	of	ADP
ajst-10990	161	6	mae	mae	PROPN
ajst-10990	161	7	,	,	PUNCT
ajst-10990	161	8	the	the	PRON
ajst-10990	161	9	larger	large	ADJ
ajst-10990	161	10	the	the	DET
ajst-10990	161	11	value	value	NOUN
ajst-10990	161	12	.	.	PUNCT
ajst-10990	162	1	the	the	DET
ajst-10990	162	2	smaller	small	ADJ
ajst-10990	162	3	the	the	DET
ajst-10990	162	4	value	value	NOUN
ajst-10990	162	5	of	of	ADP
ajst-10990	162	6	mae	mae	PROPN
ajst-10990	162	7	,	,	PUNCT
ajst-10990	162	8	the	the	PRON
ajst-10990	162	9	better	well	ADJ
ajst-10990	162	10	the	the	DET
ajst-10990	162	11	accuracy	accuracy	NOUN
ajst-10990	162	12	of	of	ADP
ajst-10990	162	13	the	the	DET
ajst-10990	162	14	prediction	prediction	NOUN
ajst-10990	162	15	model	model	NOUN
ajst-10990	162	16	.	.	PUNCT
ajst-10990	163	1	4.2	4.2	NUM
ajst-10990	163	2	.	.	PUNCT
ajst-10990	163	3	result	result	VERB
ajst-10990	163	4	analysis	analysis	NOUN
ajst-10990	163	5	the	the	DET
ajst-10990	163	6	results	result	NOUN
ajst-10990	163	7	of	of	ADP
ajst-10990	163	8	the	the	DET
ajst-10990	163	9	test	test	NOUN
ajst-10990	163	10	set	set	NOUN
ajst-10990	163	11	are	be	AUX
ajst-10990	163	12	shown	show	VERB
ajst-10990	163	13	in	in	ADP
ajst-10990	163	14	figure	figure	NOUN
ajst-10990	163	15	5	5	NUM
ajst-10990	163	16	.	.	PUNCT
ajst-10990	164	1	under	under	ADP
ajst-10990	164	2	the	the	DET
ajst-10990	164	3	condition	condition	NOUN
ajst-10990	164	4	of	of	ADP
ajst-10990	164	5	dividing	divide	VERB
ajst-10990	164	6	the	the	DET
ajst-10990	164	7	scale	scale	NOUN
ajst-10990	164	8	of	of	ADP
ajst-10990	164	9	passenger	passenger	NOUN
ajst-10990	164	10	set	set	VERB
ajst-10990	164	11	the	the	DET
ajst-10990	164	12	number	number	NOUN
ajst-10990	164	13	of	of	ADP
ajst-10990	164	14	groups=10	groups=10	NOUN
ajst-10990	164	15	,	,	PUNCT
ajst-10990	164	16	20,	20,	NUM
ajst-10990	164	17	...	...	PUNCT
ajst-10990	164	18	,60	,60	PUNCT
ajst-10990	164	19	,	,	PUNCT
ajst-10990	164	20	it	it	PRON
ajst-10990	164	21	compares	compare	VERB
ajst-10990	164	22	the	the	DET
ajst-10990	164	23	accuracy	accuracy	NOUN
ajst-10990	164	24	of	of	ADP
ajst-10990	164	25	the	the	DET
ajst-10990	164	26	traditional	traditional	ADJ
ajst-10990	164	27	collaborative	collaborative	ADJ
ajst-10990	164	28	filtering	filtering	NOUN
ajst-10990	164	29	algorithm	algorithm	NOUN
ajst-10990	164	30	when	when	SCONJ
ajst-10990	164	31	testing	test	VERB
ajst-10990	164	32	the	the	DET
ajst-10990	164	33	same	same	ADJ
ajst-10990	164	34	number	number	NOUN
ajst-10990	164	35	of	of	ADP
ajst-10990	164	36	new	new	ADJ
ajst-10990	164	37	passengers	passenger	NOUN
ajst-10990	164	38	.	.	PUNCT
ajst-10990	165	1	figure	figure	NOUN
ajst-10990	165	2	5	5	NUM
ajst-10990	165	3	.	.	PUNCT
ajst-10990	165	4	comparison	comparison	NOUN
ajst-10990	165	5	of	of	ADP
ajst-10990	165	6	algorithm	algorithm	NOUN
ajst-10990	165	7	test	test	NOUN
ajst-10990	165	8	set	set	VERB
ajst-10990	165	9	results	result	NOUN
ajst-10990	165	10	it	it	PRON
ajst-10990	165	11	can	can	AUX
ajst-10990	165	12	be	be	AUX
ajst-10990	165	13	seen	see	VERB
ajst-10990	165	14	from	from	ADP
ajst-10990	165	15	the	the	DET
ajst-10990	165	16	change	change	NOUN
ajst-10990	165	17	trend	trend	NOUN
ajst-10990	165	18	of	of	ADP
ajst-10990	165	19	mae	mae	PROPN
ajst-10990	165	20	in	in	ADP
ajst-10990	165	21	the	the	DET
ajst-10990	165	22	figure	figure	NOUN
ajst-10990	165	23	that	that	SCONJ
ajst-10990	165	24	the	the	DET
ajst-10990	165	25	mae	mae	PROPN
ajst-10990	165	26	of	of	ADP
ajst-10990	165	27	the	the	DET
ajst-10990	165	28	two	two	NUM
ajst-10990	165	29	algorithms	algorithm	NOUN
ajst-10990	165	30	will	will	AUX
ajst-10990	165	31	change	change	VERB
ajst-10990	165	32	with	with	ADP
ajst-10990	165	33	the	the	DET
ajst-10990	165	34	number	number	NOUN
ajst-10990	165	35	of	of	ADP
ajst-10990	165	36	neighbors	neighbor	NOUN
ajst-10990	165	37	of	of	ADP
ajst-10990	165	38	the	the	DET
ajst-10990	165	39	passenger	passenger	NOUN
ajst-10990	165	40	group	group	NOUN
ajst-10990	165	41	.	.	PUNCT
ajst-10990	166	1	when	when	SCONJ
ajst-10990	166	2	the	the	DET
ajst-10990	166	3	number	number	NOUN
ajst-10990	166	4	of	of	ADP
ajst-10990	166	5	neighbors	neighbor	NOUN
ajst-10990	166	6	is	be	AUX
ajst-10990	166	7	small	small	ADJ
ajst-10990	166	8	,	,	PUNCT
ajst-10990	166	9	because	because	SCONJ
ajst-10990	166	10	only	only	ADV
ajst-10990	166	11	a	a	DET
ajst-10990	166	12	few	few	ADJ
ajst-10990	166	13	people	people	NOUN
ajst-10990	166	14	’s	’s	PART
ajst-10990	166	15	opinions	opinion	NOUN
ajst-10990	166	16	are	be	AUX
ajst-10990	166	17	referred	refer	VERB
ajst-10990	166	18	to	to	ADP
ajst-10990	166	19	,	,	PUNCT
ajst-10990	166	20	the	the	DET
ajst-10990	166	21	prediction	prediction	NOUN
ajst-10990	166	22	score	score	NOUN
ajst-10990	166	23	is	be	AUX
ajst-10990	166	24	greatly	greatly	ADV
ajst-10990	166	25	affected	affect	VERB
ajst-10990	166	26	by	by	ADP
ajst-10990	166	27	personal	personal	ADJ
ajst-10990	166	28	factors	factor	NOUN
ajst-10990	166	29	.	.	PUNCT
ajst-10990	167	1	compared	compare	VERB
ajst-10990	167	2	with	with	ADP
ajst-10990	167	3	passengers	passenger	NOUN
ajst-10990	167	4	who	who	PRON
ajst-10990	167	5	only	only	ADV
ajst-10990	167	6	have	have	VERB
ajst-10990	167	7	attribute	attribute	NOUN
ajst-10990	167	8	characteristics	characteristic	NOUN
ajst-10990	167	9	,	,	PUNCT
ajst-10990	167	10	the	the	DET
ajst-10990	167	11	reference	reference	NOUN
ajst-10990	167	12	value	value	NOUN
ajst-10990	167	13	of	of	ADP
ajst-10990	167	14	neighbors	neighbor	NOUN
ajst-10990	167	15	is	be	AUX
ajst-10990	167	16	small	small	ADJ
ajst-10990	167	17	,	,	PUNCT
ajst-10990	167	18	resulting	result	VERB
ajst-10990	167	19	in	in	ADP
ajst-10990	167	20	their	their	PRON
ajst-10990	167	21	mae	mae	PROPN
ajst-10990	167	22	larger	large	ADJ
ajst-10990	167	23	,	,	PUNCT
ajst-10990	167	24	the	the	DET
ajst-10990	167	25	prediction	prediction	NOUN
ajst-10990	167	26	accuracy	accuracy	NOUN
ajst-10990	167	27	is	be	AUX
ajst-10990	167	28	lacking	lack	VERB
ajst-10990	167	29	.	.	PUNCT
ajst-10990	168	1	the	the	DET
ajst-10990	168	2	collaborative	collaborative	ADJ
ajst-10990	168	3	filtering	filtering	NOUN
ajst-10990	168	4	algorithm	algorithm	NOUN
ajst-10990	168	5	combined	combine	VERB
ajst-10990	168	6	with	with	ADP
ajst-10990	168	7	user	user	NOUN
ajst-10990	168	8	portraits	portrait	NOUN
ajst-10990	168	9	is	be	AUX
ajst-10990	168	10	grouped	group	VERB
ajst-10990	168	11	under	under	ADP
ajst-10990	168	12	similar	similar	ADJ
ajst-10990	168	13	attribute	attribute	NOUN
ajst-10990	168	14	features	feature	NOUN
ajst-10990	168	15	,	,	PUNCT
ajst-10990	168	16	based	base	VERB
ajst-10990	168	17	on	on	ADP
ajst-10990	168	18	the	the	DET
ajst-10990	168	19	behavior	behavior	NOUN
ajst-10990	168	20	characteristics	characteristic	NOUN
ajst-10990	168	21	of	of	ADP
ajst-10990	168	22	old	old	ADJ
ajst-10990	168	23	users	user	NOUN
ajst-10990	168	24	,	,	PUNCT
ajst-10990	168	25	and	and	CCONJ
ajst-10990	168	26	by	by	ADP
ajst-10990	168	27	referring	refer	VERB
ajst-10990	168	28	to	to	ADP
ajst-10990	168	29	the	the	DET
ajst-10990	168	30	data	datum	NOUN
ajst-10990	168	31	of	of	ADP
ajst-10990	168	32	the	the	DET
ajst-10990	168	33	neighbors	neighbor	NOUN
ajst-10990	168	34	of	of	ADP
ajst-10990	168	35	the	the	DET
ajst-10990	168	36	user	user	NOUN
ajst-10990	168	37	group	group	NOUN
ajst-10990	168	38	,	,	PUNCT
ajst-10990	168	39	the	the	PRON
ajst-10990	168	40	more	more	ADV
ajst-10990	168	41	the	the	DET
ajst-10990	168	42	number	number	NOUN
ajst-10990	168	43	of	of	ADP
ajst-10990	168	44	neighbors	neighbor	NOUN
ajst-10990	168	45	of	of	ADP
ajst-10990	168	46	the	the	DET
ajst-10990	168	47	passenger	passenger	NOUN
ajst-10990	168	48	group	group	NOUN
ajst-10990	168	49	within	within	ADP
ajst-10990	168	50	a	a	DET
ajst-10990	168	51	certain	certain	ADJ
ajst-10990	168	52	range	range	NOUN
ajst-10990	168	53	,	,	PUNCT
ajst-10990	168	54	the	the	PRON
ajst-10990	168	55	smaller	small	ADJ
ajst-10990	168	56	the	the	DET
ajst-10990	168	57	mae	mae	PROPN
ajst-10990	168	58	,	,	PUNCT
ajst-10990	168	59	and	and	CCONJ
ajst-10990	168	60	the	the	PRON
ajst-10990	168	61	better	well	ADJ
ajst-10990	168	62	the	the	DET
ajst-10990	168	63	prediction	prediction	NOUN
ajst-10990	168	64	results	result	VERB
ajst-10990	168	65	.	.	PUNCT
ajst-10990	169	1	accurate	accurate	ADJ
ajst-10990	169	2	.	.	PUNCT
ajst-10990	170	1	from	from	ADP
ajst-10990	170	2	the	the	DET
ajst-10990	170	3	above	above	ADJ
ajst-10990	170	4	analysis	analysis	NOUN
ajst-10990	170	5	,	,	PUNCT
ajst-10990	170	6	the	the	DET
ajst-10990	170	7	collaborative	collaborative	ADJ
ajst-10990	170	8	filtering	filtering	NOUN
ajst-10990	170	9	algorithm	algorithm	NOUN
ajst-10990	170	10	combined	combine	VERB
ajst-10990	170	11	with	with	ADP
ajst-10990	170	12	user	user	NOUN
ajst-10990	170	13	portraits	portrait	NOUN
ajst-10990	170	14	proposed	propose	VERB
ajst-10990	170	15	in	in	ADP
ajst-10990	170	16	this	this	DET
ajst-10990	170	17	paper	paper	NOUN
ajst-10990	170	18	is	be	AUX
ajst-10990	170	19	superior	superior	ADJ
ajst-10990	170	20	to	to	ADP
ajst-10990	170	21	traditional	traditional	ADJ
ajst-10990	170	22	collaborative	collaborative	ADJ
ajst-10990	170	23	filtering	filter	VERB
ajst-10990	170	24	algorithms	algorithm	NOUN
ajst-10990	170	25	in	in	ADP
ajst-10990	170	26	terms	term	NOUN
ajst-10990	170	27	of	of	ADP
ajst-10990	170	28	recommendation	recommendation	NOUN
ajst-10990	170	29	performance	performance	NOUN
ajst-10990	170	30	for	for	ADP
ajst-10990	170	31	new	new	ADJ
ajst-10990	170	32	passengers	passenger	NOUN
ajst-10990	170	33	and	and	CCONJ
ajst-10990	170	34	users	user	NOUN
ajst-10990	170	35	without	without	ADP
ajst-10990	170	36	behavioral	behavioral	ADJ
ajst-10990	170	37	characteristics	characteristic	NOUN
ajst-10990	170	38	.	.	PUNCT
ajst-10990	171	1	5	5	X
ajst-10990	171	2	.	.	X
ajst-10990	171	3	conclusion	conclusion	NOUN
ajst-10990	171	4	and	and	CCONJ
ajst-10990	171	5	discussion	discussion	NOUN
ajst-10990	171	6	travel	travel	NOUN
ajst-10990	171	7	recommendation	recommendation	NOUN
ajst-10990	171	8	is	be	AUX
ajst-10990	171	9	a	a	DET
ajst-10990	171	10	specific	specific	ADJ
ajst-10990	171	11	application	application	NOUN
ajst-10990	171	12	field	field	NOUN
ajst-10990	171	13	of	of	ADP
ajst-10990	171	14	intelligent	intelligent	ADJ
ajst-10990	171	15	recommendation	recommendation	NOUN
ajst-10990	171	16	system	system	NOUN
ajst-10990	171	17	,	,	PUNCT
ajst-10990	171	18	and	and	CCONJ
ajst-10990	171	19	collaborative	collaborative	ADJ
ajst-10990	171	20	filtering	filtering	NOUN
ajst-10990	171	21	recommendation	recommendation	NOUN
ajst-10990	171	22	technology	technology	NOUN
ajst-10990	171	23	is	be	AUX
ajst-10990	171	24	the	the	DET
ajst-10990	171	25	most	most	ADV
ajst-10990	171	26	commonly	commonly	ADV
ajst-10990	171	27	used	use	VERB
ajst-10990	171	28	recommendation	recommendation	NOUN
ajst-10990	171	29	algorithm	algorithm	NOUN
ajst-10990	171	30	.	.	PUNCT
ajst-10990	172	1	this	this	DET
ajst-10990	172	2	paper	paper	NOUN
ajst-10990	172	3	proposes	propose	VERB
ajst-10990	172	4	to	to	PART
ajst-10990	172	5	generate	generate	VERB
ajst-10990	172	6	user	user	NOUN
ajst-10990	172	7	tags	tag	NOUN
ajst-10990	172	8	by	by	ADP
ajst-10990	172	9	building	build	VERB
ajst-10990	172	10	a	a	DET
ajst-10990	172	11	model	model	NOUN
ajst-10990	172	12	of	of	ADP
ajst-10990	172	13	user	user	NOUN
ajst-10990	172	14	portraits	portrait	NOUN
ajst-10990	172	15	,	,	PUNCT
ajst-10990	172	16	and	and	CCONJ
ajst-10990	172	17	associate	associate	VERB
ajst-10990	172	18	tags	tag	NOUN
ajst-10990	172	19	with	with	ADP
ajst-10990	172	20	items	item	NOUN
ajst-10990	172	21	.	.	PUNCT
ajst-10990	173	1	for	for	ADP
ajst-10990	173	2	the	the	DET
ajst-10990	173	3	feature	feature	NOUN
ajst-10990	173	4	extraction	extraction	NOUN
ajst-10990	173	5	of	of	ADP
ajst-10990	173	6	each	each	DET
ajst-10990	173	7	scenic	scenic	ADJ
ajst-10990	173	8	spot	spot	NOUN
ajst-10990	173	9	specialty	specialty	NOUN
ajst-10990	173	10	,	,	PUNCT
ajst-10990	173	11	i	i	PRON
ajst-10990	173	12	want	want	VERB
ajst-10990	173	13	to	to	PART
ajst-10990	173	14	extract	extract	VERB
ajst-10990	173	15	the	the	DET
ajst-10990	173	16	corresponding	corresponding	ADJ
ajst-10990	173	17	tags	tag	NOUN
ajst-10990	173	18	or	or	CCONJ
ajst-10990	173	19	feature	feature	NOUN
ajst-10990	173	20	tags	tag	NOUN
ajst-10990	173	21	,	,	PUNCT
ajst-10990	173	22	and	and	CCONJ
ajst-10990	173	23	calculate	calculate	VERB
ajst-10990	173	24	the	the	DET
ajst-10990	173	25	similarity	similarity	NOUN
ajst-10990	173	26	between	between	ADP
ajst-10990	173	27	the	the	DET
ajst-10990	173	28	tags	tag	NOUN
ajst-10990	173	29	in	in	ADP
ajst-10990	173	30	the	the	DET
ajst-10990	173	31	user	user	NOUN
ajst-10990	173	32	portrait	portrait	NOUN
ajst-10990	173	33	and	and	CCONJ
ajst-10990	173	34	the	the	DET
ajst-10990	173	35	scenic	scenic	ADJ
ajst-10990	173	36	spot	spot	NOUN
ajst-10990	173	37	specialty	specialty	NOUN
ajst-10990	173	38	tags	tag	NOUN
ajst-10990	173	39	.	.	PUNCT
ajst-10990	174	1	,	,	PUNCT
ajst-10990	174	2	to	to	PART
ajst-10990	174	3	measure	measure	VERB
ajst-10990	174	4	the	the	DET
ajst-10990	174	5	user	user	NOUN
ajst-10990	174	6	's	's	PART
ajst-10990	174	7	interest	interest	NOUN
ajst-10990	174	8	in	in	ADP
ajst-10990	174	9	the	the	DET
ajst-10990	174	10	item	item	NOUN
ajst-10990	174	11	,	,	PUNCT
ajst-10990	174	12	based	base	VERB
ajst-10990	174	13	on	on	ADP
ajst-10990	174	14	the	the	DET
ajst-10990	174	15	similarity	similarity	NOUN
ajst-10990	174	16	between	between	ADP
ajst-10990	174	17	the	the	DET
ajst-10990	174	18	user	user	NOUN
ajst-10990	174	19	and	and	CCONJ
ajst-10990	174	20	the	the	DET
ajst-10990	174	21	special	special	ADJ
ajst-10990	174	22	products	product	NOUN
ajst-10990	174	23	of	of	ADP
ajst-10990	174	24	the	the	DET
ajst-10990	174	25	scenic	scenic	ADJ
ajst-10990	174	26	spot	spot	NOUN
ajst-10990	174	27	,	,	PUNCT
ajst-10990	174	28	select	select	VERB
ajst-10990	174	29	a	a	DET
ajst-10990	174	30	group	group	NOUN
ajst-10990	174	31	of	of	ADP
ajst-10990	174	32	users	user	NOUN
ajst-10990	174	33	who	who	PRON
ajst-10990	174	34	are	be	AUX
ajst-10990	174	35	most	most	ADV
ajst-10990	174	36	similar	similar	ADJ
ajst-10990	174	37	to	to	ADP
ajst-10990	174	38	the	the	DET
ajst-10990	174	39	target	target	NOUN
ajst-10990	174	40	user	user	NOUN
ajst-10990	174	41	to	to	PART
ajst-10990	174	42	generate	generate	VERB
ajst-10990	174	43	a	a	DET
ajst-10990	174	44	recommendation	recommendation	NOUN
ajst-10990	174	45	list	list	NOUN
ajst-10990	174	46	for	for	ADP
ajst-10990	174	47	it	it	PRON
ajst-10990	174	48	,	,	PUNCT
ajst-10990	174	49	so	so	SCONJ
ajst-10990	174	50	as	as	SCONJ
ajst-10990	174	51	to	to	PART
ajst-10990	174	52	solve	solve	VERB
ajst-10990	174	53	the	the	DET
ajst-10990	174	54	problem	problem	NOUN
ajst-10990	174	55	of	of	ADP
ajst-10990	174	56	excessive	excessive	ADJ
ajst-10990	174	57	user	user	NOUN
ajst-10990	174	58	base	base	NOUN
ajst-10990	174	59	in	in	ADP
ajst-10990	174	60	collaborative	collaborative	ADJ
ajst-10990	174	61	filtering	filtering	NOUN
ajst-10990	174	62	recommendation	recommendation	NOUN
ajst-10990	174	63	sparsity	sparsity	NOUN
ajst-10990	174	64	problem	problem	NOUN
ajst-10990	174	65	.	.	PUNCT
ajst-10990	175	1	in	in	ADP
ajst-10990	175	2	this	this	DET
ajst-10990	175	3	way	way	NOUN
ajst-10990	175	4	,	,	PUNCT
ajst-10990	175	5	the	the	DET
ajst-10990	175	6	collaborative	collaborative	ADJ
ajst-10990	175	7	filtering	filtering	NOUN
ajst-10990	175	8	algorithm	algorithm	PROPN
ajst-10990	175	9	uses	use	VERB
ajst-10990	175	10	the	the	DET
ajst-10990	175	11	tags	tag	NOUN
ajst-10990	175	12	generated	generate	VERB
ajst-10990	175	13	by	by	ADP
ajst-10990	175	14	user	user	NOUN
ajst-10990	175	15	portraits	portrait	NOUN
ajst-10990	175	16	to	to	PART
ajst-10990	175	17	achieve	achieve	VERB
ajst-10990	175	18	personalized	personalized	ADJ
ajst-10990	175	19	and	and	CCONJ
ajst-10990	175	20	accurate	accurate	ADJ
ajst-10990	175	21	product	product	NOUN
ajst-10990	175	22	recommendations	recommendation	NOUN
ajst-10990	175	23	.	.	PUNCT
ajst-10990	176	1	it	it	PRON
ajst-10990	176	2	can	can	AUX
ajst-10990	176	3	better	well	ADV
ajst-10990	176	4	understand	understand	VERB
ajst-10990	176	5	the	the	DET
ajst-10990	176	6	interests	interest	NOUN
ajst-10990	176	7	and	and	CCONJ
ajst-10990	176	8	needs	need	NOUN
ajst-10990	176	9	of	of	ADP
ajst-10990	176	10	passengers	passenger	NOUN
ajst-10990	176	11	,	,	PUNCT
ajst-10990	176	12	so	so	SCONJ
ajst-10990	176	13	as	as	SCONJ
ajst-10990	176	14	to	to	PART
ajst-10990	176	15	provide	provide	VERB
ajst-10990	176	16	passengers	passenger	NOUN
ajst-10990	176	17	with	with	ADP
ajst-10990	176	18	product	product	NOUN
ajst-10990	176	19	recommendations	recommendation	NOUN
ajst-10990	176	20	that	that	PRON
ajst-10990	176	21	meet	meet	VERB
ajst-10990	176	22	their	their	PRON
ajst-10990	176	23	personalized	personalized	ADJ
ajst-10990	176	24	preferences	preference	NOUN
ajst-10990	176	25	,	,	PUNCT
ajst-10990	176	26	and	and	CCONJ
ajst-10990	176	27	improve	improve	VERB
ajst-10990	176	28	passenger	passenger	NOUN
ajst-10990	176	29	satisfaction	satisfaction	NOUN
ajst-10990	176	30	and	and	CCONJ
ajst-10990	176	31	purchase	purchase	NOUN
ajst-10990	176	32	experience	experience	NOUN
ajst-10990	176	33	.	.	PUNCT
ajst-10990	177	1	at	at	ADP
ajst-10990	177	2	the	the	DET
ajst-10990	177	3	same	same	ADJ
ajst-10990	177	4	time	time	NOUN
ajst-10990	177	5	,	,	PUNCT
ajst-10990	177	6	based	base	VERB
ajst-10990	177	7	on	on	ADP
ajst-10990	177	8	the	the	DET
ajst-10990	177	9	findings	finding	NOUN
ajst-10990	177	10	of	of	ADP
ajst-10990	177	11	this	this	DET
ajst-10990	177	12	paper	paper	NOUN
ajst-10990	177	13	,	,	PUNCT
ajst-10990	177	14	there	there	PRON
ajst-10990	177	15	are	be	VERB
ajst-10990	177	16	still	still	ADV
ajst-10990	177	17	some	some	DET
ajst-10990	177	18	directions	direction	NOUN
ajst-10990	177	19	for	for	ADP
ajst-10990	177	20	improvement	improvement	NOUN
ajst-10990	177	21	in	in	ADP
ajst-10990	177	22	the	the	DET
ajst-10990	177	23	future	future	NOUN
ajst-10990	177	24	:	:	PUNCT
ajst-10990	177	25	1	1	X
ajst-10990	177	26	.	.	X
ajst-10990	177	27	solve	solve	VERB
ajst-10990	177	28	the	the	DET
ajst-10990	177	29	cold	cold	ADJ
ajst-10990	177	30	start	start	NOUN
ajst-10990	177	31	problem	problem	NOUN
ajst-10990	177	32	:	:	PUNCT
ajst-10990	177	33	when	when	SCONJ
ajst-10990	177	34	a	a	DET
ajst-10990	177	35	new	new	ADJ
ajst-10990	177	36	user	user	NOUN
ajst-10990	177	37	joins	join	VERB
ajst-10990	177	38	the	the	DET
ajst-10990	177	39	system	system	NOUN
ajst-10990	177	40	or	or	CCONJ
ajst-10990	177	41	a	a	DET
ajst-10990	177	42	new	new	ADJ
ajst-10990	177	43	item	item	NOUN
ajst-10990	177	44	is	be	AUX
ajst-10990	177	45	launched	launch	VERB
ajst-10990	177	46	,	,	PUNCT
ajst-10990	177	47	due	due	ADP
ajst-10990	177	48	to	to	ADP
ajst-10990	177	49	the	the	DET
ajst-10990	177	50	lack	lack	NOUN
ajst-10990	177	51	of	of	ADP
ajst-10990	177	52	user	user	NOUN
ajst-10990	177	53	behavior	behavior	NOUN
ajst-10990	177	54	data	datum	NOUN
ajst-10990	177	55	or	or	CCONJ
ajst-10990	177	56	item	item	NOUN
ajst-10990	177	57	rating	rating	NOUN
ajst-10990	177	58	information	information	NOUN
ajst-10990	177	59	,	,	PUNCT
ajst-10990	177	60	traditional	traditional	ADJ
ajst-10990	177	61	collaborative	collaborative	ADJ
ajst-10990	177	62	filtering	filter	VERB
ajst-10990	177	63	algorithms	algorithm	NOUN
ajst-10990	177	64	and	and	CCONJ
ajst-10990	177	65	user	user	NOUN
ajst-10990	177	66	portraits	portrait	NOUN
ajst-10990	177	67	may	may	AUX
ajst-10990	177	68	not	not	PART
ajst-10990	177	69	be	be	AUX
ajst-10990	177	70	able	able	ADJ
ajst-10990	177	71	to	to	PART
ajst-10990	177	72	make	make	VERB
ajst-10990	177	73	accurate	accurate	ADJ
ajst-10990	177	74	recommendations	recommendation	NOUN
ajst-10990	177	75	.	.	PUNCT
ajst-10990	178	1	solving	solve	VERB
ajst-10990	178	2	the	the	DET
ajst-10990	178	3	cold	cold	ADJ
ajst-10990	178	4	start	start	NOUN
ajst-10990	178	5	problem	problem	NOUN
ajst-10990	178	6	requires	require	VERB
ajst-10990	178	7	introducing	introduce	VERB
ajst-10990	178	8	other	other	ADJ
ajst-10990	178	9	information	information	NOUN
ajst-10990	178	10	sources	source	NOUN
ajst-10990	178	11	,	,	PUNCT
ajst-10990	178	12	such	such	ADJ
ajst-10990	178	13	as	as	ADP
ajst-10990	178	14	content	content	NOUN
ajst-10990	178	15	information	information	NOUN
ajst-10990	178	16	,	,	PUNCT
ajst-10990	178	17	social	social	ADJ
ajst-10990	178	18	network	network	NOUN
ajst-10990	178	19	data	datum	NOUN
ajst-10990	178	20	,	,	PUNCT
ajst-10990	178	21	etc	etc	X
ajst-10990	178	22	.	.	X
ajst-10990	178	23	,	,	PUNCT
ajst-10990	178	24	to	to	PART
ajst-10990	178	25	help	help	VERB
ajst-10990	178	26	establish	establish	VERB
ajst-10990	178	27	portraits	portrait	NOUN
ajst-10990	178	28	and	and	CCONJ
ajst-10990	178	29	recommendation	recommendation	NOUN
ajst-10990	178	30	models	model	NOUN
ajst-10990	178	31	for	for	ADP
ajst-10990	178	32	new	new	ADJ
ajst-10990	178	33	users	user	NOUN
ajst-10990	178	34	or	or	CCONJ
ajst-10990	178	35	new	new	ADJ
ajst-10990	178	36	items	item	NOUN
ajst-10990	178	37	.	.	PUNCT
ajst-10990	179	1	2	2	X
ajst-10990	179	2	.	.	X
ajst-10990	179	3	you	you	PRON
ajst-10990	179	4	can	can	AUX
ajst-10990	179	5	add	add	VERB
ajst-10990	179	6	context	context	NOUN
ajst-10990	179	7	information	information	NOUN
ajst-10990	179	8	:	:	PUNCT
ajst-10990	179	9	the	the	DET
ajst-10990	179	10	current	current	ADJ
ajst-10990	179	11	user	user	NOUN
ajst-10990	179	12	portrait	portrait	NOUN
ajst-10990	179	13	combined	combine	VERB
ajst-10990	179	14	with	with	ADP
ajst-10990	179	15	collaborative	collaborative	ADJ
ajst-10990	179	16	filtering	filtering	NOUN
ajst-10990	179	17	algorithm	algorithm	NOUN
ajst-10990	179	18	is	be	AUX
ajst-10990	179	19	mainly	mainly	ADV
ajst-10990	179	20	based	base	VERB
ajst-10990	179	21	on	on	ADP
ajst-10990	179	22	the	the	DET
ajst-10990	179	23	user	user	NOUN
ajst-10990	179	24	's	's	PART
ajst-10990	179	25	historical	historical	ADJ
ajst-10990	179	26	behavior	behavior	NOUN
ajst-10990	179	27	and	and	CCONJ
ajst-10990	179	28	characteristics	characteristic	NOUN
ajst-10990	179	29	,	,	PUNCT
ajst-10990	179	30	but	but	CCONJ
ajst-10990	179	31	ignores	ignore	VERB
ajst-10990	179	32	the	the	DET
ajst-10990	179	33	contextual	contextual	ADJ
ajst-10990	179	34	information	information	NOUN
ajst-10990	179	35	when	when	SCONJ
ajst-10990	179	36	recommending	recommend	VERB
ajst-10990	179	37	,	,	PUNCT
ajst-10990	179	38	such	such	ADJ
ajst-10990	179	39	as	as	ADP
ajst-10990	179	40	time	time	NOUN
ajst-10990	179	41	,	,	PUNCT
ajst-10990	179	42	geographical	geographical	ADJ
ajst-10990	179	43	location	location	NOUN
ajst-10990	179	44	,	,	PUNCT
ajst-10990	179	45	device	device	NOUN
ajst-10990	179	46	,	,	PUNCT
ajst-10990	179	47	etc	etc	X
ajst-10990	179	48	.	.	X
ajst-10990	179	49	integrating	integrate	VERB
ajst-10990	179	50	contextual	contextual	ADJ
ajst-10990	179	51	information	information	NOUN
ajst-10990	179	52	into	into	ADP
ajst-10990	179	53	the	the	DET
ajst-10990	179	54	recommendation	recommendation	NOUN
ajst-10990	179	55	model	model	NOUN
ajst-10990	179	56	can	can	AUX
ajst-10990	179	57	better	well	ADV
ajst-10990	179	58	adapt	adapt	VERB
ajst-10990	179	59	to	to	ADP
ajst-10990	179	60	the	the	DET
ajst-10990	179	61	current	current	ADJ
ajst-10990	179	62	needs	need	NOUN
ajst-10990	179	63	and	and	CCONJ
ajst-10990	179	64	situations	situation	NOUN
ajst-10990	179	65	of	of	ADP
ajst-10990	179	66	users	user	NOUN
ajst-10990	179	67	and	and	CCONJ
ajst-10990	179	68	provide	provide	VERB
ajst-10990	179	69	more	more	ADV
ajst-10990	179	70	accurate	accurate	ADJ
ajst-10990	179	71	recommendations	recommendation	NOUN
ajst-10990	179	72	.	.	PUNCT
ajst-10990	180	1	69	69	NUM
ajst-10990	180	2	3	3	NUM
ajst-10990	180	3	.	.	PUNCT
ajst-10990	180	4	by	by	ADP
ajst-10990	180	5	integrating	integrate	VERB
ajst-10990	180	6	multiple	multiple	ADJ
ajst-10990	180	7	recommendation	recommendation	NOUN
ajst-10990	180	8	algorithms	algorithm	NOUN
ajst-10990	180	9	:	:	PUNCT
ajst-10990	180	10	although	although	SCONJ
ajst-10990	180	11	the	the	DET
ajst-10990	180	12	collaborative	collaborative	ADJ
ajst-10990	180	13	filtering	filtering	NOUN
ajst-10990	180	14	algorithm	algorithm	NOUN
ajst-10990	180	15	performs	perform	VERB
ajst-10990	180	16	well	well	ADV
ajst-10990	180	17	in	in	ADP
ajst-10990	180	18	personalized	personalized	ADJ
ajst-10990	180	19	recommendation	recommendation	NOUN
ajst-10990	180	20	,	,	PUNCT
ajst-10990	180	21	it	it	PRON
ajst-10990	180	22	is	be	AUX
ajst-10990	180	23	not	not	PART
ajst-10990	180	24	suitable	suitable	ADJ
ajst-10990	180	25	for	for	ADP
ajst-10990	180	26	all	all	DET
ajst-10990	180	27	scenarios	scenario	NOUN
ajst-10990	180	28	.	.	PUNCT
ajst-10990	181	1	collaborative	collaborative	ADJ
ajst-10990	181	2	filtering	filtering	NOUN
ajst-10990	181	3	algorithm	algorithm	NOUN
ajst-10990	181	4	can	can	AUX
ajst-10990	181	5	be	be	AUX
ajst-10990	181	6	integrated	integrate	VERB
ajst-10990	181	7	with	with	ADP
ajst-10990	181	8	other	other	ADJ
ajst-10990	181	9	recommendation	recommendation	NOUN
ajst-10990	181	10	algorithms	algorithm	NOUN
ajst-10990	181	11	(	(	PUNCT
ajst-10990	181	12	such	such	ADJ
ajst-10990	181	13	as	as	ADP
ajst-10990	181	14	content	content	NOUN
ajst-10990	181	15	recommendation	recommendation	NOUN
ajst-10990	181	16	,	,	PUNCT
ajst-10990	181	17	deep	deep	ADJ
ajst-10990	181	18	learning	learning	NOUN
ajst-10990	181	19	model	model	NOUN
ajst-10990	181	20	,	,	PUNCT
ajst-10990	181	21	etc	etc	X
ajst-10990	181	22	.	.	X
ajst-10990	181	23	)	)	PUNCT
ajst-10990	181	24	to	to	PART
ajst-10990	181	25	form	form	VERB
ajst-10990	181	26	a	a	DET
ajst-10990	181	27	hybrid	hybrid	ADJ
ajst-10990	181	28	recommendation	recommendation	NOUN
ajst-10990	181	29	system	system	NOUN
ajst-10990	181	30	to	to	PART
ajst-10990	181	31	make	make	VERB
ajst-10990	181	32	full	full	ADJ
ajst-10990	181	33	use	use	NOUN
ajst-10990	181	34	of	of	ADP
ajst-10990	181	35	the	the	DET
ajst-10990	181	36	advantages	advantage	NOUN
ajst-10990	181	37	of	of	ADP
ajst-10990	181	38	different	different	ADJ
ajst-10990	181	39	algorithms	algorithm	NOUN
ajst-10990	181	40	and	and	CCONJ
ajst-10990	181	41	improve	improve	VERB
ajst-10990	181	42	the	the	DET
ajst-10990	181	43	diversity	diversity	NOUN
ajst-10990	181	44	and	and	CCONJ
ajst-10990	181	45	accuracy	accuracy	NOUN
ajst-10990	181	46	of	of	ADP
ajst-10990	181	47	recommendations	recommendation	NOUN
ajst-10990	181	48	4	4	NUM
ajst-10990	181	49	.	.	PUNCT
ajst-10990	181	50	user	user	NOUN
ajst-10990	181	51	privacy	privacy	PROPN
ajst-10990	181	52	protection	protection	NOUN
ajst-10990	181	53	:	:	PUNCT
ajst-10990	181	54	user	user	NOUN
ajst-10990	181	55	portraits	portrait	NOUN
ajst-10990	181	56	involve	involve	VERB
ajst-10990	181	57	the	the	DET
ajst-10990	181	58	user	user	NOUN
ajst-10990	181	59	's	's	PART
ajst-10990	181	60	personal	personal	ADJ
ajst-10990	181	61	information	information	NOUN
ajst-10990	181	62	and	and	CCONJ
ajst-10990	181	63	behavioral	behavioral	ADJ
ajst-10990	181	64	data	datum	NOUN
ajst-10990	181	65	,	,	PUNCT
ajst-10990	181	66	and	and	CCONJ
ajst-10990	181	67	it	it	PRON
ajst-10990	181	68	is	be	AUX
ajst-10990	181	69	necessary	necessary	ADJ
ajst-10990	181	70	to	to	PART
ajst-10990	181	71	protect	protect	VERB
ajst-10990	181	72	the	the	DET
ajst-10990	181	73	user	user	NOUN
ajst-10990	181	74	's	's	PART
ajst-10990	181	75	privacy	privacy	NOUN
ajst-10990	181	76	and	and	CCONJ
ajst-10990	181	77	data	datum	NOUN
ajst-10990	181	78	security	security	NOUN
ajst-10990	181	79	.	.	PUNCT
ajst-10990	182	1	in	in	ADP
ajst-10990	182	2	the	the	DET
ajst-10990	182	3	recommendation	recommendation	NOUN
ajst-10990	182	4	model	model	NOUN
ajst-10990	182	5	,	,	PUNCT
ajst-10990	182	6	privacy	privacy	NOUN
ajst-10990	182	7	protection	protection	NOUN
ajst-10990	182	8	measures	measure	NOUN
ajst-10990	182	9	should	should	AUX
ajst-10990	182	10	be	be	AUX
ajst-10990	182	11	strengthened	strengthen	VERB
ajst-10990	182	12	,	,	PUNCT
ajst-10990	182	13	such	such	ADJ
ajst-10990	182	14	as	as	ADP
ajst-10990	182	15	adding	add	VERB
ajst-10990	182	16	a	a	DET
ajst-10990	182	17	blockchain	blockchain	NOUN
ajst-10990	182	18	network	network	NOUN
ajst-10990	182	19	architecture	architecture	NOUN
ajst-10990	182	20	to	to	PART
ajst-10990	182	21	ensure	ensure	VERB
ajst-10990	182	22	data	datum	NOUN
ajst-10990	182	23	security	security	NOUN
ajst-10990	182	24	and	and	CCONJ
ajst-10990	182	25	prevent	prevent	VERB
ajst-10990	182	26	user	user	NOUN
ajst-10990	182	27	portraits	portrait	NOUN
ajst-10990	182	28	from	from	ADP
ajst-10990	182	29	being	be	AUX
ajst-10990	182	30	abused	abuse	VERB
ajst-10990	182	31	or	or	CCONJ
ajst-10990	182	32	leaked	leak	VERB
ajst-10990	182	33	.	.	PUNCT
ajst-10990	183	1	references	reference	NOUN
ajst-10990	183	2	[	[	X
ajst-10990	183	3	1	1	NUM
ajst-10990	183	4	]	]	X
ajst-10990	183	5	eke	eke	NOUN
ajst-10990	183	6	c	c	PROPN
ajst-10990	183	7	i	i	PROPN
ajst-10990	183	8	,	,	PUNCT
ajst-10990	183	9	norman	norman	PROPN
ajst-10990	183	10	a	a	PROPN
ajst-10990	183	11	a	a	PROPN
ajst-10990	183	12	,	,	PUNCT
ajst-10990	183	13	shuib	shuib	PROPN
ajst-10990	183	14	l	l	PROPN
ajst-10990	183	15	,	,	PUNCT
ajst-10990	183	16	et	et	PROPN
ajst-10990	183	17	al	al	PROPN
ajst-10990	183	18	.	.	PUNCT
ajst-10990	184	1	a	a	DET
ajst-10990	184	2	survey	survey	NOUN
ajst-10990	184	3	of	of	ADP
ajst-10990	184	4	user	user	NOUN
ajst-10990	184	5	profiling	profiling	NOUN
ajst-10990	184	6	:	:	PUNCT
ajst-10990	184	7	state	state	NOUN
ajst-10990	184	8	-	-	PUNCT
ajst-10990	184	9	of	of	ADP
ajst-10990	184	10	-	-	PUNCT
ajst-10990	184	11	the	the	DET
ajst-10990	184	12	-	-	PUNCT
ajst-10990	184	13	art	art	NOUN
ajst-10990	184	14	,	,	PUNCT
ajst-10990	184	15	challenges	challenge	NOUN
ajst-10990	184	16	,	,	PUNCT
ajst-10990	184	17	and	and	CCONJ
ajst-10990	184	18	solutions[j	solutions[j	NOUN
ajst-10990	184	19	]	]	PUNCT
ajst-10990	184	20	.	.	PUNCT
ajst-10990	185	1	ieee	ieee	NOUN
ajst-10990	185	2	access	access	NOUN
ajst-10990	185	3	,	,	PUNCT
ajst-10990	185	4	2019	2019	NUM
ajst-10990	185	5	,	,	PUNCT
ajst-10990	185	6	7	7	NUM
ajst-10990	185	7	:	:	SYM
ajst-10990	185	8	144907	144907	NUM
ajst-10990	185	9	-	-	SYM
ajst-10990	185	10	144924	144924	NUM
ajst-10990	185	11	.	.	PUNCT
ajst-10990	186	1	[	[	X
ajst-10990	186	2	2	2	NUM
ajst-10990	186	3	]	]	PUNCT
ajst-10990	186	4	zhu	zhu	PROPN
ajst-10990	186	5	l	l	PROPN
ajst-10990	186	6	,	,	PUNCT
ajst-10990	186	7	li	li	PROPN
ajst-10990	186	8	h	h	PROPN
ajst-10990	186	9	,	,	PUNCT
ajst-10990	186	10	feng	feng	PROPN
ajst-10990	186	11	y.	y.	PROPN
ajst-10990	186	12	research	research	PROPN
ajst-10990	186	13	on	on	ADP
ajst-10990	186	14	big	big	ADJ
ajst-10990	186	15	data	datum	NOUN
ajst-10990	186	16	mining	mining	NOUN
ajst-10990	186	17	based	base	VERB
ajst-10990	186	18	on	on	ADP
ajst-10990	186	19	improved	improved	ADJ
ajst-10990	186	20	parallel	parallel	ADJ
ajst-10990	186	21	collaborative	collaborative	ADJ
ajst-10990	186	22	filtering	filtering	NOUN
ajst-10990	186	23	algorithm[j	algorithm[j	PROPN
ajst-10990	186	24	]	]	PUNCT
ajst-10990	186	25	.	.	PUNCT
ajst-10990	187	1	cluster	cluster	NOUN
ajst-10990	187	2	computing	computing	NOUN
ajst-10990	187	3	,	,	PUNCT
ajst-10990	187	4	2019	2019	NUM
ajst-10990	187	5	,	,	PUNCT
ajst-10990	187	6	22	22	NUM
ajst-10990	187	7	:	:	PUNCT
ajst-10990	187	8	3595	3595	NUM
ajst-10990	187	9	-	-	SYM
ajst-10990	187	10	3604	3604	NUM
ajst-10990	187	11	.	.	PUNCT
ajst-10990	188	1	[	[	X
ajst-10990	188	2	3	3	X
ajst-10990	188	3	]	]	PUNCT
ajst-10990	188	4	hong	hong	PROPN
ajst-10990	188	5	b	b	PROPN
ajst-10990	188	6	,	,	PUNCT
ajst-10990	188	7	yu	yu	PROPN
ajst-10990	188	8	m.	m.	VERB
ajst-10990	188	9	a	a	DET
ajst-10990	188	10	collaborative	collaborative	ADJ
ajst-10990	188	11	filtering	filtering	NOUN
ajst-10990	188	12	algorithm	algorithm	NOUN
ajst-10990	188	13	based	base	VERB
ajst-10990	188	14	on	on	ADP
ajst-10990	188	15	correlation	correlation	NOUN
ajst-10990	188	16	coefficient[j	coefficient[j	NOUN
ajst-10990	188	17	]	]	PUNCT
ajst-10990	188	18	.	.	PUNCT
ajst-10990	189	1	neural	neural	ADJ
ajst-10990	189	2	computing	computing	NOUN
ajst-10990	189	3	and	and	CCONJ
ajst-10990	189	4	applications	application	NOUN
ajst-10990	189	5	,	,	PUNCT
ajst-10990	189	6	2019	2019	NUM
ajst-10990	189	7	,	,	PUNCT
ajst-10990	189	8	31	31	NUM
ajst-10990	189	9	:	:	SYM
ajst-10990	189	10	8317	8317	NUM
ajst-10990	189	11	-	-	SYM
ajst-10990	189	12	8326	8326	NUM
ajst-10990	189	13	.	.	PUNCT
ajst-10990	190	1	[	[	X
ajst-10990	190	2	4	4	X
ajst-10990	190	3	]	]	X
ajst-10990	190	4	yi	yi	NOUN
ajst-10990	190	5	x	x	NOUN
ajst-10990	190	6	,	,	PUNCT
ajst-10990	190	7	bertino	bertino	PROPN
ajst-10990	190	8	e	e	PROPN
ajst-10990	190	9	,	,	PUNCT
ajst-10990	190	10	rao	rao	PROPN
ajst-10990	190	11	f	f	PROPN
ajst-10990	190	12	y	y	PROPN
ajst-10990	190	13	,	,	PUNCT
ajst-10990	190	14	et	et	PROPN
ajst-10990	190	15	al	al	PROPN
ajst-10990	190	16	.	.	PROPN
ajst-10990	190	17	privacy	privacy	NOUN
ajst-10990	190	18	-	-	PUNCT
ajst-10990	190	19	preserving	preserve	VERB
ajst-10990	190	20	user	user	NOUN
ajst-10990	190	21	profile	profile	NOUN
ajst-10990	190	22	matching	match	VERB
ajst-10990	190	23	in	in	ADP
ajst-10990	190	24	social	social	ADJ
ajst-10990	190	25	networks[j	networks[j	PROPN
ajst-10990	190	26	]	]	X
ajst-10990	190	27	.	.	PUNCT
ajst-10990	191	1	ieee	ieee	NOUN
ajst-10990	191	2	transactions	transaction	NOUN
ajst-10990	191	3	on	on	ADP
ajst-10990	191	4	knowledge	knowledge	NOUN
ajst-10990	191	5	and	and	CCONJ
ajst-10990	191	6	data	datum	NOUN
ajst-10990	191	7	engineering	engineering	NOUN
ajst-10990	191	8	,	,	PUNCT
ajst-10990	191	9	2019	2019	NUM
ajst-10990	191	10	,	,	PUNCT
ajst-10990	191	11	32(8	32(8	NUM
ajst-10990	191	12	):	):	PUNCT
ajst-10990	191	13	1572	1572	NUM
ajst-10990	191	14	-	-	SYM
ajst-10990	191	15	1585	1585	NUM
ajst-10990	191	16	.	.	PUNCT
ajst-10990	192	1	[	[	X
ajst-10990	192	2	5	5	NUM
ajst-10990	192	3	]	]	X
ajst-10990	192	4	zhao	zhao	PROPN
ajst-10990	192	5	s	s	PROPN
ajst-10990	192	6	,	,	PUNCT
ajst-10990	192	7	li	li	PROPN
ajst-10990	192	8	s	s	PROPN
ajst-10990	192	9	,	,	PUNCT
ajst-10990	192	10	ramos	ramos	PROPN
ajst-10990	192	11	j	j	PROPN
ajst-10990	192	12	,	,	PUNCT
ajst-10990	192	13	et	et	PROPN
ajst-10990	192	14	al	al	PROPN
ajst-10990	192	15	.	.	PROPN
ajst-10990	192	16	user	user	NOUN
ajst-10990	192	17	profiling	profiling	NOUN
ajst-10990	192	18	from	from	ADP
ajst-10990	192	19	their	their	PRON
ajst-10990	192	20	use	use	NOUN
ajst-10990	192	21	of	of	ADP
ajst-10990	192	22	smartphone	smartphone	NOUN
ajst-10990	192	23	applications	application	NOUN
ajst-10990	192	24	:	:	PUNCT
ajst-10990	192	25	a	a	DET
ajst-10990	192	26	survey[j	survey[j	PROPN
ajst-10990	192	27	]	]	PUNCT
ajst-10990	192	28	.	.	PUNCT
ajst-10990	193	1	pervasive	pervasive	ADJ
ajst-10990	193	2	and	and	CCONJ
ajst-10990	193	3	mobile	mobile	ADJ
ajst-10990	193	4	computing	computing	NOUN
ajst-10990	193	5	,	,	PUNCT
ajst-10990	193	6	2019	2019	NUM
ajst-10990	193	7	,	,	PUNCT
ajst-10990	193	8	59	59	NUM
ajst-10990	193	9	:	:	SYM
ajst-10990	193	10	101052	101052	NUM
ajst-10990	193	11	.	.	PUNCT
ajst-10990	194	1	[	[	X
ajst-10990	194	2	6	6	NUM
ajst-10990	194	3	]	]	SYM
ajst-10990	194	4	ouaftouh	ouaftouh	NOUN
ajst-10990	194	5	s	s	PROPN
ajst-10990	194	6	,	,	PUNCT
ajst-10990	194	7	zellou	zellou	PROPN
ajst-10990	194	8	a	a	PRON
ajst-10990	194	9	,	,	PUNCT
ajst-10990	194	10	idri	idri	ADJ
ajst-10990	194	11	a.	a.	NOUN
ajst-10990	194	12	social	social	ADJ
ajst-10990	194	13	recommendation	recommendation	NOUN
ajst-10990	194	14	:	:	PUNCT
ajst-10990	194	15	a	a	DET
ajst-10990	194	16	user	user	NOUN
ajst-10990	194	17	profile	profile	NOUN
ajst-10990	194	18	clustering‐based	clustering‐base	VERB
ajst-10990	194	19	approach[j	approach[j	ADV
ajst-10990	194	20	]	]	PUNCT
ajst-10990	194	21	.	.	PUNCT
ajst-10990	195	1	concurrency	concurrency	NOUN
ajst-10990	195	2	and	and	CCONJ
ajst-10990	195	3	computation	computation	NOUN
ajst-10990	195	4	:	:	PUNCT
ajst-10990	195	5	practice	practice	NOUN
ajst-10990	195	6	and	and	CCONJ
ajst-10990	195	7	experience	experience	NOUN
ajst-10990	195	8	,	,	PUNCT
ajst-10990	195	9	2019	2019	NUM
ajst-10990	195	10	,	,	PUNCT
ajst-10990	195	11	31(20	31(20	NUM
ajst-10990	195	12	):	):	PUNCT
ajst-10990	195	13	e5330	e5330	NOUN
ajst-10990	195	14	.	.	PUNCT
ajst-10990	196	1	[	[	X
ajst-10990	196	2	7	7	NUM
ajst-10990	196	3	]	]	X
ajst-10990	196	4	zhu	zhu	PROPN
ajst-10990	196	5	l	l	NOUN
ajst-10990	196	6	,	,	PUNCT
ajst-10990	196	7	li	li	PROPN
ajst-10990	196	8	h	h	PROPN
ajst-10990	196	9	,	,	PUNCT
ajst-10990	196	10	feng	feng	PROPN
ajst-10990	196	11	y.	y.	PROPN
ajst-10990	196	12	research	research	PROPN
ajst-10990	196	13	on	on	ADP
ajst-10990	196	14	big	big	ADJ
ajst-10990	196	15	data	datum	NOUN
ajst-10990	196	16	mining	mining	NOUN
ajst-10990	196	17	based	base	VERB
ajst-10990	196	18	on	on	ADP
ajst-10990	196	19	improved	improved	ADJ
ajst-10990	196	20	parallel	parallel	ADJ
ajst-10990	196	21	collaborative	collaborative	ADJ
ajst-10990	196	22	filtering	filtering	NOUN
ajst-10990	196	23	algorithm[j	algorithm[j	PROPN
ajst-10990	196	24	]	]	PUNCT
ajst-10990	196	25	.	.	PUNCT
ajst-10990	197	1	cluster	cluster	NOUN
ajst-10990	197	2	computing	computing	NOUN
ajst-10990	197	3	,	,	PUNCT
ajst-10990	197	4	2019	2019	NUM
ajst-10990	197	5	,	,	PUNCT
ajst-10990	197	6	22	22	NUM
ajst-10990	197	7	:	:	PUNCT
ajst-10990	197	8	3595	3595	NUM
ajst-10990	197	9	-	-	SYM
ajst-10990	197	10	3604	3604	NUM
ajst-10990	197	11	.	.	PUNCT
ajst-10990	198	1	[	[	X
ajst-10990	198	2	8	8	X
ajst-10990	198	3	]	]	X
ajst-10990	198	4	chaomeng	chaomeng	NOUN
ajst-10990	198	5	g	g	PROPN
ajst-10990	198	6	,	,	PUNCT
ajst-10990	198	7	yonggang	yonggang	PROPN
ajst-10990	198	8	w.	w.	PROPN
ajst-10990	198	9	analysis	analysis	NOUN
ajst-10990	198	10	of	of	ADP
ajst-10990	198	11	brand	brand	NOUN
ajst-10990	198	12	visual	visual	ADJ
ajst-10990	198	13	design	design	NOUN
ajst-10990	198	14	based	base	VERB
ajst-10990	198	15	on	on	ADP
ajst-10990	198	16	collaborative	collaborative	ADJ
ajst-10990	198	17	filtering	filtering	NOUN
ajst-10990	198	18	algorithm[j	algorithm[j	PROPN
ajst-10990	198	19	]	]	PUNCT
ajst-10990	198	20	.	.	PUNCT
ajst-10990	199	1	discrete	discrete	ADJ
ajst-10990	199	2	dynamics	dynamic	NOUN
ajst-10990	199	3	in	in	ADP
ajst-10990	199	4	nature	nature	NOUN
ajst-10990	199	5	and	and	CCONJ
ajst-10990	199	6	society	society	NOUN
ajst-10990	199	7	,	,	PUNCT
ajst-10990	199	8	2022	2022	NUM
ajst-10990	199	9	,	,	PUNCT
ajst-10990	199	10	2022	2022	NUM
ajst-10990	199	11	:	:	PUNCT
ajst-10990	199	12	1	1	NUM
ajst-10990	199	13	-	-	SYM
ajst-10990	199	14	8	8	NUM
ajst-10990	199	15	.	.	PUNCT
ajst-10990	200	1	[	[	X
ajst-10990	200	2	9	9	NUM
ajst-10990	200	3	]	]	X
ajst-10990	200	4	wang	wang	PROPN
ajst-10990	200	5	z	z	PROPN
ajst-10990	200	6	h	h	PROPN
ajst-10990	200	7	,	,	PUNCT
ajst-10990	200	8	hou	hou	PROPN
ajst-10990	200	9	d	d	PROPN
ajst-10990	200	10	z.	z.	PROPN
ajst-10990	200	11	research	research	PROPN
ajst-10990	200	12	on	on	ADP
ajst-10990	200	13	book	book	NOUN
ajst-10990	200	14	recommendation	recommendation	NOUN
ajst-10990	200	15	algorithm	algorithm	NOUN
ajst-10990	200	16	based	base	VERB
ajst-10990	200	17	on	on	ADP
ajst-10990	200	18	collaborative	collaborative	ADJ
ajst-10990	200	19	filtering	filtering	NOUN
ajst-10990	200	20	and	and	CCONJ
ajst-10990	200	21	interest	interest	NOUN
ajst-10990	200	22	degree[j	degree[j	PROPN
ajst-10990	200	23	]	]	PUNCT
ajst-10990	200	24	.	.	PUNCT
ajst-10990	201	1	wireless	wireless	ADJ
ajst-10990	201	2	communications	communication	NOUN
ajst-10990	201	3	and	and	CCONJ
ajst-10990	201	4	mobile	mobile	NOUN
ajst-10990	201	5	computing	computing	NOUN
ajst-10990	201	6	,	,	PUNCT
ajst-10990	201	7	2021	2021	NUM
ajst-10990	201	8	,	,	PUNCT
ajst-10990	201	9	2021	2021	NUM
ajst-10990	201	10	:	:	PUNCT
ajst-10990	201	11	1	1	NUM
ajst-10990	201	12	-	-	SYM
ajst-10990	201	13	7	7	NUM
ajst-10990	201	14	.	.	PUNCT
ajst-10990	202	1	[	[	X
ajst-10990	202	2	10	10	NUM
ajst-10990	202	3	]	]	X
ajst-10990	202	4	wang	wang	PROPN
ajst-10990	202	5	t	t	PROPN
ajst-10990	202	6	,	,	PUNCT
ajst-10990	202	7	ge	ge	PROPN
ajst-10990	202	8	d.	d.	PROPN
ajst-10990	202	9	research	research	PROPN
ajst-10990	202	10	on	on	ADP
ajst-10990	202	11	recommendation	recommendation	NOUN
ajst-10990	202	12	system	system	NOUN
ajst-10990	202	13	of	of	ADP
ajst-10990	202	14	online	online	ADJ
ajst-10990	202	15	chinese	chinese	ADJ
ajst-10990	202	16	learning	learn	VERB
ajst-10990	202	17	resources	resource	NOUN
ajst-10990	202	18	based	base	VERB
ajst-10990	202	19	on	on	ADP
ajst-10990	202	20	multiple	multiple	ADJ
ajst-10990	202	21	collaborative	collaborative	ADJ
ajst-10990	202	22	filtering	filter	VERB
ajst-10990	202	23	algorithms	algorithm	NOUN
ajst-10990	202	24	(	(	PUNCT
ajst-10990	202	25	rsoclr)[j	rsoclr)[j	PROPN
ajst-10990	202	26	]	]	PUNCT
ajst-10990	202	27	.	.	PUNCT
ajst-10990	203	1	international	international	ADJ
ajst-10990	203	2	journal	journal	PROPN
ajst-10990	203	3	of	of	ADP
ajst-10990	203	4	human	human	ADJ
ajst-10990	203	5	–	–	PUNCT
ajst-10990	203	6	computer	computer	NOUN
ajst-10990	203	7	interaction	interaction	NOUN
ajst-10990	203	8	,	,	PUNCT
ajst-10990	203	9	2023	2023	NUM
ajst-10990	203	10	:	:	PUNCT
ajst-10990	203	11	1	1	NUM
ajst-10990	203	12	-	-	SYM
ajst-10990	203	13	11	11	NUM
ajst-10990	203	14	.	.	PUNCT
ajst-10990	204	1	[	[	X
ajst-10990	204	2	11	11	NUM
ajst-10990	204	3	]	]	X
ajst-10990	204	4	niu	niu	PROPN
ajst-10990	204	5	t	t	PROPN
ajst-10990	204	6	,	,	PUNCT
ajst-10990	204	7	song	song	NOUN
ajst-10990	204	8	m	m	PROPN
ajst-10990	204	9	,	,	PUNCT
ajst-10990	204	10	wang	wang	PROPN
ajst-10990	204	11	x	x	PROPN
ajst-10990	204	12	,	,	PUNCT
ajst-10990	204	13	et	et	PROPN
ajst-10990	204	14	al	al	PROPN
ajst-10990	204	15	.	.	PUNCT
ajst-10990	204	16	tourism	tourism	NOUN
ajst-10990	204	17	destination	destination	NOUN
ajst-10990	204	18	recommendation	recommendation	NOUN
ajst-10990	204	19	and	and	CCONJ
ajst-10990	204	20	marketing	marketing	NOUN
ajst-10990	204	21	model	model	NOUN
ajst-10990	204	22	analysis	analysis	NOUN
ajst-10990	204	23	based	base	VERB
ajst-10990	204	24	on	on	ADP
ajst-10990	204	25	collaborative	collaborative	ADJ
ajst-10990	204	26	filtering	filtering	NOUN
ajst-10990	204	27	algorithm[j	algorithm[j	PROPN
ajst-10990	204	28	]	]	PUNCT
ajst-10990	204	29	.	.	PUNCT
ajst-10990	205	1	mobile	mobile	ADJ
ajst-10990	205	2	information	information	NOUN
ajst-10990	205	3	systems	system	NOUN
ajst-10990	205	4	,	,	PUNCT
ajst-10990	205	5	2022	2022	NUM
ajst-10990	205	6	,	,	PUNCT
ajst-10990	205	7	2022	2022	NUM
ajst-10990	205	8	.	.	PUNCT
ajst-10990	206	1	[	[	X
ajst-10990	206	2	12	12	NUM
ajst-10990	206	3	]	]	X
ajst-10990	206	4	wang	wang	PROPN
ajst-10990	206	5	z.	z.	PROPN
ajst-10990	206	6	intelligent	intelligent	ADJ
ajst-10990	206	7	recommendation	recommendation	NOUN
ajst-10990	206	8	model	model	NOUN
ajst-10990	206	9	of	of	ADP
ajst-10990	206	10	tourist	tourist	NOUN
ajst-10990	206	11	places	place	NOUN
ajst-10990	206	12	based	base	VERB
ajst-10990	206	13	on	on	ADP
ajst-10990	206	14	collaborative	collaborative	ADJ
ajst-10990	206	15	filtering	filtering	NOUN
ajst-10990	206	16	and	and	CCONJ
ajst-10990	206	17	user	user	NOUN
ajst-10990	206	18	preferences[j	preferences[j	PROPN
ajst-10990	206	19	]	]	PUNCT
ajst-10990	206	20	.	.	PUNCT
ajst-10990	207	1	applied	apply	VERB
ajst-10990	207	2	artificial	artificial	ADJ
ajst-10990	207	3	intelligence	intelligence	NOUN
ajst-10990	207	4	,	,	PUNCT
ajst-10990	207	5	2023	2023	NUM
ajst-10990	207	6	,	,	PUNCT
ajst-10990	207	7	37(1	37(1	NUM
ajst-10990	207	8	):	):	PUNCT
ajst-10990	207	9	2203574	2203574	NUM
ajst-10990	207	10	.	.	PUNCT
ajst-10990	208	1	[	[	X
ajst-10990	208	2	13	13	NUM
ajst-10990	208	3	]	]	X
ajst-10990	208	4	wang	wang	PROPN
ajst-10990	208	5	h	h	PROPN
ajst-10990	208	6	,	,	PUNCT
ajst-10990	208	7	tu	tu	PROPN
ajst-10990	208	8	z	z	PROPN
ajst-10990	208	9	,	,	PUNCT
ajst-10990	208	10	fu	fu	PROPN
ajst-10990	208	11	y	y	PROPN
ajst-10990	208	12	,	,	PUNCT
ajst-10990	208	13	et	et	PROPN
ajst-10990	208	14	al	al	PROPN
ajst-10990	208	15	.	.	PROPN
ajst-10990	208	16	time	time	NOUN
ajst-10990	208	17	-	-	PUNCT
ajst-10990	208	18	aware	aware	ADJ
ajst-10990	208	19	user	user	NOUN
ajst-10990	208	20	profiling	profiling	NOUN
ajst-10990	208	21	from	from	ADP
ajst-10990	208	22	personal	personal	ADJ
ajst-10990	208	23	service	service	NOUN
ajst-10990	208	24	ecosystem[j	ecosystem[j	NOUN
ajst-10990	208	25	]	]	PUNCT
ajst-10990	208	26	.	.	PUNCT
ajst-10990	209	1	neural	neural	ADJ
ajst-10990	209	2	computing	computing	NOUN
ajst-10990	209	3	and	and	CCONJ
ajst-10990	209	4	applications	application	NOUN
ajst-10990	209	5	,	,	PUNCT
ajst-10990	209	6	2021	2021	NUM
ajst-10990	209	7	,	,	PUNCT
ajst-10990	209	8	33	33	NUM
ajst-10990	209	9	:	:	SYM
ajst-10990	209	10	3597	3597	NUM
ajst-10990	209	11	-	-	SYM
ajst-10990	209	12	3619	3619	NUM
ajst-10990	209	13	.	.	PUNCT
ajst-10990	210	1	[	[	X
ajst-10990	210	2	14	14	NUM
ajst-10990	210	3	]	]	X
ajst-10990	210	4	sharma	sharma	PROPN
ajst-10990	210	5	s	s	PROPN
ajst-10990	210	6	,	,	PUNCT
ajst-10990	210	7	gupta	gupta	NOUN
ajst-10990	210	8	v.	v.	ADP
ajst-10990	210	9	role	role	NOUN
ajst-10990	210	10	of	of	ADP
ajst-10990	210	11	twitter	twitter	NOUN
ajst-10990	210	12	user	user	NOUN
ajst-10990	210	13	profile	profile	PROPN
ajst-10990	210	14	features	feature	VERB
ajst-10990	210	15	in	in	ADP
ajst-10990	210	16	retweet	retweet	NOUN
ajst-10990	210	17	prediction	prediction	NOUN
ajst-10990	210	18	for	for	ADP
ajst-10990	210	19	big	big	ADJ
ajst-10990	210	20	data	datum	NOUN
ajst-10990	210	21	streams[j	streams[j	PROPN
ajst-10990	210	22	]	]	PUNCT
ajst-10990	210	23	.	.	PUNCT
ajst-10990	211	1	multimedia	multimedia	NOUN
ajst-10990	211	2	tools	tool	NOUN
ajst-10990	211	3	and	and	CCONJ
ajst-10990	211	4	applications	application	NOUN
ajst-10990	211	5	,	,	PUNCT
ajst-10990	211	6	2022	2022	NUM
ajst-10990	211	7	,	,	PUNCT
ajst-10990	211	8	81(19	81(19	NUM
ajst-10990	211	9	):	):	PUNCT
ajst-10990	211	10	27309	27309	NUM
ajst-10990	211	11	-	-	SYM
ajst-10990	211	12	27338	27338	NUM
ajst-10990	211	13	.	.	PUNCT
ajst-10990	212	1	[	[	X
ajst-10990	212	2	15	15	NUM
ajst-10990	212	3	]	]	X
ajst-10990	212	4	singh	singh	PROPN
ajst-10990	212	5	p	p	PROPN
ajst-10990	212	6	k	k	PROPN
ajst-10990	212	7	,	,	PUNCT
ajst-10990	212	8	othman	othman	PROPN
ajst-10990	212	9	e	e	PROPN
ajst-10990	212	10	,	,	PUNCT
ajst-10990	212	11	ahmed	ahmed	PROPN
ajst-10990	212	12	r	r	PROPN
ajst-10990	212	13	,	,	PUNCT
ajst-10990	212	14	et	et	PROPN
ajst-10990	212	15	al	al	PROPN
ajst-10990	212	16	.	.	PROPN
ajst-10990	212	17	optimized	optimize	VERB
ajst-10990	212	18	recommendations	recommendation	NOUN
ajst-10990	212	19	by	by	ADP
ajst-10990	212	20	user	user	NOUN
ajst-10990	212	21	profiling	profiling	NOUN
ajst-10990	212	22	using	use	VERB
ajst-10990	212	23	apriori	apriori	ADV
ajst-10990	212	24	algorithm[j	algorithm[j	PROPN
ajst-10990	212	25	]	]	PUNCT
ajst-10990	212	26	.	.	PUNCT
ajst-10990	212	27	applied	apply	VERB
ajst-10990	212	28	soft	soft	ADJ
ajst-10990	212	29	computing	computing	NOUN
ajst-10990	212	30	,	,	PUNCT
ajst-10990	212	31	2021	2021	NUM
ajst-10990	212	32	,	,	PUNCT
ajst-10990	212	33	106	106	NUM
ajst-10990	212	34	:	:	SYM
ajst-10990	212	35	107272	107272	NUM
ajst-10990	212	36	.	.	PUNCT
ajst-10990	213	1	[	[	X
ajst-10990	213	2	16	16	NUM
ajst-10990	213	3	]	]	X
ajst-10990	213	4	jin	jin	NOUN
ajst-10990	213	5	q	q	PROPN
ajst-10990	213	6	,	,	PUNCT
ajst-10990	213	7	zhang	zhang	PROPN
ajst-10990	213	8	y	y	PROPN
ajst-10990	213	9	,	,	PUNCT
ajst-10990	213	10	cai	cai	PROPN
ajst-10990	213	11	w	w	PROPN
ajst-10990	213	12	,	,	PUNCT
ajst-10990	213	13	et	et	PROPN
ajst-10990	213	14	al	al	PROPN
ajst-10990	213	15	.	.	PUNCT
ajst-10990	214	1	a	a	DET
ajst-10990	214	2	new	new	ADJ
ajst-10990	214	3	similarity	similarity	NOUN
ajst-10990	214	4	computing	computing	NOUN
ajst-10990	214	5	model	model	NOUN
ajst-10990	214	6	of	of	ADP
ajst-10990	214	7	collaborative	collaborative	ADJ
ajst-10990	214	8	filtering[j	filtering[j	NOUN
ajst-10990	214	9	]	]	PUNCT
ajst-10990	214	10	.	.	PUNCT
ajst-10990	215	1	ieee	ieee	NOUN
ajst-10990	215	2	access	access	NOUN
ajst-10990	215	3	,	,	PUNCT
ajst-10990	215	4	2020	2020	NUM
ajst-10990	215	5	,	,	PUNCT
ajst-10990	215	6	8	8	NUM
ajst-10990	215	7	:	:	SYM
ajst-10990	215	8	17594	17594	NUM
ajst-10990	215	9	-	-	SYM
ajst-10990	215	10	17604	17604	NUM
ajst-10990	215	11	.	.	PUNCT
ajst-10990	216	1	[	[	X
ajst-10990	216	2	17	17	NUM
ajst-10990	216	3	]	]	X
ajst-10990	216	4	li	li	PROPN
ajst-10990	216	5	k	k	PROPN
ajst-10990	216	6	,	,	PUNCT
ajst-10990	216	7	zhou	zhou	PROPN
ajst-10990	216	8	x	x	PROPN
ajst-10990	216	9	,	,	PUNCT
ajst-10990	216	10	lin	lin	PROPN
ajst-10990	216	11	f	f	PROPN
ajst-10990	216	12	,	,	PUNCT
ajst-10990	216	13	et	et	PROPN
ajst-10990	216	14	al	al	PROPN
ajst-10990	216	15	.	.	PUNCT
ajst-10990	217	1	deep	deep	ADJ
ajst-10990	217	2	probabilistic	probabilistic	ADJ
ajst-10990	217	3	matrix	matrix	NOUN
ajst-10990	217	4	factorization	factorization	NOUN
ajst-10990	217	5	framework	framework	NOUN
ajst-10990	217	6	for	for	ADP
ajst-10990	217	7	online	online	ADJ
ajst-10990	217	8	collaborative	collaborative	ADJ
ajst-10990	217	9	filtering[j	filtering[j	NOUN
ajst-10990	217	10	]	]	PUNCT
ajst-10990	217	11	.	.	PUNCT
ajst-10990	218	1	ieee	ieee	NOUN
ajst-10990	218	2	access	access	NOUN
ajst-10990	218	3	,	,	PUNCT
ajst-10990	218	4	2019	2019	NUM
ajst-10990	218	5	,	,	PUNCT
ajst-10990	218	6	7	7	NUM
ajst-10990	218	7	:	:	SYM
ajst-10990	218	8	56117	56117	NUM
ajst-10990	218	9	-	-	SYM
ajst-10990	218	10	56128	56128	NUM
ajst-10990	218	11	.	.	PUNCT
ajst-10990	219	1	[	[	X
ajst-10990	219	2	18	18	NUM
ajst-10990	219	3	]	]	X
ajst-10990	219	4	zhang	zhang	PROPN
ajst-10990	219	5	b	b	PROPN
ajst-10990	219	6	,	,	PUNCT
ajst-10990	219	7	zhang	zhang	PROPN
ajst-10990	219	8	h	h	PROPN
ajst-10990	219	9	,	,	PUNCT
ajst-10990	219	10	sun	sun	PROPN
ajst-10990	219	11	x	x	AUX
ajst-10990	219	12	,	,	PUNCT
ajst-10990	219	13	et	et	PROPN
ajst-10990	219	14	al	al	PROPN
ajst-10990	219	15	.	.	PUNCT
ajst-10990	219	16	integrating	integrate	VERB
ajst-10990	219	17	an	an	DET
ajst-10990	219	18	attention	attention	NOUN
ajst-10990	219	19	mechanism	mechanism	NOUN
ajst-10990	219	20	and	and	CCONJ
ajst-10990	219	21	convolution	convolution	NOUN
ajst-10990	219	22	collaborative	collaborative	ADJ
ajst-10990	219	23	filtering	filtering	NOUN
ajst-10990	219	24	for	for	ADP
ajst-10990	219	25	document	document	NOUN
ajst-10990	219	26	context	context	NOUN
ajst-10990	219	27	-	-	PUNCT
ajst-10990	219	28	aware	aware	ADJ
ajst-10990	219	29	rating	rating	NOUN
ajst-10990	219	30	prediction[j	prediction[j	PROPN
ajst-10990	219	31	]	]	PUNCT
ajst-10990	219	32	.	.	PUNCT
ajst-10990	220	1	ieee	ieee	NOUN
ajst-10990	220	2	access	access	NOUN
ajst-10990	220	3	,	,	PUNCT
ajst-10990	220	4	2018	2018	NUM
ajst-10990	220	5	,	,	PUNCT
ajst-10990	220	6	7	7	NUM
ajst-10990	220	7	:	:	SYM
ajst-10990	220	8	3826	3826	NUM
ajst-10990	220	9	-	-	SYM
ajst-10990	220	10	3835	3835	NUM