id	sid	tid	token	lemma	pos
ap-666	1	1	ap05_1.vp	ap05_1.vp	NOUN
ap-666	1	2	1	1	NUM
ap-666	1	3	introduction	introduction	NOUN
ap-666	1	4	heterogeneous	heterogeneous	ADJ
ap-666	1	5	data	data	NOUN
ap-666	1	6	sets	set	NOUN
ap-666	1	7	contain	contain	VERB
ap-666	1	8	data	datum	NOUN
ap-666	1	9	that	that	PRON
ap-666	1	10	may	may	AUX
ap-666	1	11	be	be	AUX
ap-666	1	12	represented	represent	VERB
ap-666	1	13	using	use	VERB
ap-666	1	14	different	different	ADJ
ap-666	1	15	data	datum	NOUN
ap-666	1	16	models	model	NOUN
ap-666	1	17	and	and	CCONJ
ap-666	1	18	different	different	ADJ
ap-666	1	19	structuring	structuring	NOUN
ap-666	1	20	primitives	primitive	NOUN
ap-666	1	21	.	.	PUNCT
ap-666	2	1	they	they	PRON
ap-666	2	2	may	may	AUX
ap-666	2	3	use	use	VERB
ap-666	2	4	different	different	ADJ
ap-666	2	5	definition	definition	NOUN
ap-666	2	6	and	and	CCONJ
ap-666	2	7	manipulation	manipulation	NOUN
ap-666	2	8	facilities	facility	NOUN
ap-666	2	9	,	,	PUNCT
ap-666	2	10	and	and	CCONJ
ap-666	2	11	run	run	VERB
ap-666	2	12	under	under	ADP
ap-666	2	13	different	different	ADJ
ap-666	2	14	operating	operating	NOUN
ap-666	2	15	systems	system	NOUN
ap-666	2	16	and	and	CCONJ
ap-666	2	17	on	on	ADP
ap-666	2	18	different	different	ADJ
ap-666	2	19	hardware	hardware	NOUN
ap-666	3	1	[	[	X
ap-666	3	2	3	3	NUM
ap-666	3	3	]	]	PUNCT
ap-666	3	4	.	.	PUNCT
ap-666	4	1	schemas	schema	NOUN
ap-666	4	2	have	have	AUX
ap-666	4	3	been	be	AUX
ap-666	4	4	used	use	VERB
ap-666	4	5	in	in	ADP
ap-666	4	6	information	information	NOUN
ap-666	4	7	systems	system	NOUN
ap-666	4	8	for	for	ADP
ap-666	4	9	a	a	DET
ap-666	4	10	long	long	ADJ
ap-666	4	11	time	time	NOUN
ap-666	4	12	for	for	ADP
ap-666	4	13	these	these	DET
ap-666	4	14	data	data	NOUN
ap-666	4	15	sets	set	NOUN
ap-666	4	16	.	.	PUNCT
ap-666	5	1	they	they	PRON
ap-666	5	2	provide	provide	VERB
ap-666	5	3	a	a	DET
ap-666	5	4	structural	structural	ADJ
ap-666	5	5	representation	representation	NOUN
ap-666	5	6	of	of	ADP
ap-666	5	7	data	datum	NOUN
ap-666	5	8	or	or	CCONJ
ap-666	5	9	information	information	NOUN
ap-666	5	10	.	.	PUNCT
ap-666	6	1	a	a	DET
ap-666	6	2	schema	schema	NOUN
ap-666	6	3	is	be	AUX
ap-666	6	4	a	a	DET
ap-666	6	5	model	model	NOUN
ap-666	6	6	of	of	ADP
ap-666	6	7	data	datum	NOUN
ap-666	6	8	sets	set	NOUN
ap-666	6	9	which	which	PRON
ap-666	6	10	can	can	AUX
ap-666	6	11	be	be	AUX
ap-666	6	12	used	use	VERB
ap-666	6	13	for	for	ADP
ap-666	6	14	both	both	CCONJ
ap-666	6	15	understanding	understanding	NOUN
ap-666	6	16	and	and	CCONJ
ap-666	6	17	querying	query	VERB
ap-666	6	18	data	datum	NOUN
ap-666	6	19	.	.	PUNCT
ap-666	7	1	as	as	SCONJ
ap-666	7	2	diverse	diverse	ADJ
ap-666	7	3	data	datum	NOUN
ap-666	7	4	representation	representation	NOUN
ap-666	7	5	environments	environment	NOUN
ap-666	7	6	and	and	CCONJ
ap-666	7	7	application	application	NOUN
ap-666	7	8	programs	program	NOUN
ap-666	7	9	are	be	AUX
ap-666	7	10	developed	develop	VERB
ap-666	7	11	,	,	PUNCT
ap-666	7	12	it	it	PRON
ap-666	7	13	is	be	AUX
ap-666	7	14	becoming	become	VERB
ap-666	7	15	increasingly	increasingly	ADV
ap-666	7	16	difficult	difficult	ADJ
ap-666	7	17	to	to	PART
ap-666	7	18	share	share	VERB
ap-666	7	19	data	datum	NOUN
ap-666	7	20	across	across	ADP
ap-666	7	21	different	different	ADJ
ap-666	7	22	platforms	platform	NOUN
ap-666	7	23	,	,	PUNCT
ap-666	7	24	primarily	primarily	ADV
ap-666	7	25	because	because	SCONJ
ap-666	7	26	the	the	DET
ap-666	7	27	schemas	schema	NOUN
ap-666	7	28	developed	develop	VERB
ap-666	7	29	for	for	ADP
ap-666	7	30	these	these	DET
ap-666	7	31	purposes	purpose	NOUN
ap-666	7	32	are	be	AUX
ap-666	7	33	developed	develop	VERB
ap-666	7	34	independently	independently	ADV
ap-666	7	35	and	and	CCONJ
ap-666	7	36	suffer	suffer	VERB
ap-666	7	37	from	from	ADP
ap-666	7	38	problems	problem	NOUN
ap-666	7	39	like	like	ADP
ap-666	7	40	data	datum	NOUN
ap-666	7	41	redundancy	redundancy	NOUN
ap-666	7	42	and	and	CCONJ
ap-666	7	43	incompatibility	incompatibility	NOUN
ap-666	7	44	.	.	PUNCT
ap-666	8	1	when	when	SCONJ
ap-666	8	2	we	we	PRON
ap-666	8	3	consider	consider	VERB
ap-666	8	4	different	different	ADJ
ap-666	8	5	systems	system	NOUN
ap-666	8	6	interacting	interact	VERB
ap-666	8	7	with	with	ADP
ap-666	8	8	each	each	DET
ap-666	8	9	other	other	ADJ
ap-666	8	10	,	,	PUNCT
ap-666	8	11	it	it	PRON
ap-666	8	12	is	be	AUX
ap-666	8	13	very	very	ADV
ap-666	8	14	important	important	ADJ
ap-666	8	15	to	to	PART
ap-666	8	16	transfer	transfer	VERB
ap-666	8	17	data	datum	NOUN
ap-666	8	18	from	from	ADP
ap-666	8	19	one	one	NUM
ap-666	8	20	system	system	NOUN
ap-666	8	21	to	to	ADP
ap-666	8	22	another	another	PRON
ap-666	8	23	.	.	PUNCT
ap-666	9	1	this	this	PRON
ap-666	9	2	has	have	AUX
ap-666	9	3	led	lead	VERB
ap-666	9	4	to	to	PART
ap-666	9	5	research	research	NOUN
ap-666	9	6	on	on	ADP
ap-666	9	7	heterogeneous	heterogeneous	ADJ
ap-666	9	8	database	database	NOUN
ap-666	9	9	systems	system	NOUN
ap-666	9	10	.	.	PUNCT
ap-666	10	1	(	(	PUNCT
ap-666	10	2	multidatabase	multidatabase	NOUN
ap-666	10	3	systems	system	NOUN
ap-666	10	4	make	make	VERB
ap-666	10	5	up	up	ADP
ap-666	10	6	a	a	DET
ap-666	10	7	subclass	subclass	NOUN
ap-666	10	8	of	of	ADP
ap-666	10	9	heterogeneous	heterogeneous	ADJ
ap-666	10	10	database	database	NOUN
ap-666	10	11	systems	system	NOUN
ap-666	10	12	.	.	PUNCT
ap-666	10	13	)	)	PUNCT
ap-666	11	1	heterogeneity	heterogeneity	NOUN
ap-666	11	2	in	in	ADP
ap-666	11	3	databases	database	NOUN
ap-666	11	4	also	also	ADV
ap-666	11	5	leads	lead	VERB
ap-666	11	6	to	to	ADP
ap-666	11	7	problems	problem	NOUN
ap-666	11	8	like	like	ADP
ap-666	11	9	schema	schema	NOUN
ap-666	11	10	matching	matching	NOUN
ap-666	11	11	and	and	CCONJ
ap-666	11	12	integration	integration	NOUN
ap-666	11	13	.	.	PUNCT
ap-666	12	1	the	the	DET
ap-666	12	2	problem	problem	NOUN
ap-666	12	3	of	of	ADP
ap-666	12	4	schema	schema	NOUN
ap-666	12	5	matching	match	VERB
ap-666	12	6	is	be	AUX
ap-666	12	7	becoming	become	VERB
ap-666	12	8	an	an	DET
ap-666	12	9	even	even	ADV
ap-666	12	10	more	more	ADV
ap-666	12	11	important	important	ADJ
ap-666	12	12	issue	issue	NOUN
ap-666	12	13	in	in	ADP
ap-666	12	14	view	view	NOUN
ap-666	12	15	of	of	ADP
ap-666	12	16	the	the	DET
ap-666	12	17	new	new	ADJ
ap-666	12	18	technologies	technology	NOUN
ap-666	12	19	for	for	ADP
ap-666	12	20	the	the	DET
ap-666	12	21	semantic	semantic	ADJ
ap-666	12	22	web	web	NOUN
ap-666	12	23	[	[	X
ap-666	12	24	4	4	NUM
ap-666	12	25	]	]	PUNCT
ap-666	12	26	.	.	PUNCT
ap-666	13	1	the	the	DET
ap-666	13	2	operation	operation	NOUN
ap-666	13	3	which	which	PRON
ap-666	13	4	produces	produce	VERB
ap-666	13	5	a	a	DET
ap-666	13	6	match	match	NOUN
ap-666	13	7	of	of	ADP
ap-666	13	8	schemas	schema	NOUN
ap-666	13	9	in	in	ADP
ap-666	13	10	order	order	NOUN
ap-666	13	11	to	to	PART
ap-666	13	12	perform	perform	VERB
ap-666	13	13	some	some	DET
ap-666	13	14	sort	sort	NOUN
ap-666	13	15	of	of	ADP
ap-666	13	16	integration	integration	NOUN
ap-666	13	17	between	between	ADP
ap-666	13	18	them	they	PRON
ap-666	13	19	is	be	AUX
ap-666	13	20	known	know	VERB
ap-666	13	21	in	in	ADP
ap-666	13	22	the	the	DET
ap-666	13	23	literature	literature	NOUN
ap-666	13	24	as	as	ADP
ap-666	13	25	a	a	DET
ap-666	13	26	matching	matching	NOUN
ap-666	13	27	operation	operation	NOUN
ap-666	13	28	.	.	PUNCT
ap-666	14	1	matching	matching	NOUN
ap-666	14	2	is	be	AUX
ap-666	14	3	intended	intend	VERB
ap-666	14	4	to	to	PART
ap-666	14	5	determine	determine	VERB
ap-666	14	6	which	which	DET
ap-666	14	7	attribute	attribute	NOUN
ap-666	14	8	in	in	ADP
ap-666	14	9	one	one	NUM
ap-666	14	10	schema	schema	NOUN
ap-666	14	11	corresponds	correspond	VERB
ap-666	14	12	to	to	PART
ap-666	14	13	which	which	DET
ap-666	14	14	attribute	attribute	NOUN
ap-666	14	15	in	in	ADP
ap-666	14	16	another	another	PRON
ap-666	14	17	.	.	PUNCT
ap-666	15	1	performing	perform	VERB
ap-666	15	2	a	a	DET
ap-666	15	3	matching	matching	NOUN
ap-666	15	4	operation	operation	NOUN
ap-666	15	5	among	among	ADP
ap-666	15	6	schemas	schema	NOUN
ap-666	15	7	is	be	AUX
ap-666	15	8	useful	useful	ADJ
ap-666	15	9	for	for	ADP
ap-666	15	10	many	many	ADJ
ap-666	15	11	particular	particular	ADJ
ap-666	15	12	applications	application	NOUN
ap-666	15	13	such	such	ADJ
ap-666	15	14	as	as	ADP
ap-666	15	15	mediations	mediation	NOUN
ap-666	15	16	,	,	PUNCT
ap-666	15	17	schema	schema	NOUN
ap-666	15	18	integration	integration	NOUN
ap-666	15	19	,	,	PUNCT
ap-666	15	20	electronic	electronic	ADJ
ap-666	15	21	commerce	commerce	NOUN
ap-666	15	22	,	,	PUNCT
ap-666	15	23	ontology	ontology	NOUN
ap-666	15	24	integration	integration	NOUN
ap-666	15	25	,	,	PUNCT
ap-666	15	26	data	datum	NOUN
ap-666	15	27	warehousing	warehousing	NOUN
ap-666	15	28	,	,	PUNCT
ap-666	15	29	and	and	CCONJ
ap-666	15	30	schema	schema	VERB
ap-666	15	31	evolution	evolution	NOUN
ap-666	15	32	.	.	PUNCT
ap-666	16	1	such	such	DET
ap-666	16	2	an	an	DET
ap-666	16	3	operation	operation	NOUN
ap-666	16	4	takes	take	VERB
ap-666	16	5	two	two	NUM
ap-666	16	6	schemas	schema	NOUN
ap-666	16	7	as	as	ADP
ap-666	16	8	input	input	NOUN
ap-666	16	9	and	and	CCONJ
ap-666	16	10	produces	produce	VERB
ap-666	16	11	a	a	DET
ap-666	16	12	mapping	mapping	NOUN
ap-666	16	13	between	between	ADP
ap-666	16	14	elements	element	NOUN
ap-666	16	15	of	of	ADP
ap-666	16	16	the	the	DET
ap-666	16	17	two	two	NUM
ap-666	16	18	schemas	schema	NOUN
ap-666	16	19	that	that	PRON
ap-666	16	20	correspond	correspond	VERB
ap-666	16	21	semantically	semantically	ADV
ap-666	16	22	to	to	ADP
ap-666	16	23	each	each	DET
ap-666	16	24	other	other	ADJ
ap-666	16	25	[	[	X
ap-666	16	26	29	29	NUM
ap-666	16	27	]	]	PUNCT
ap-666	16	28	.	.	PUNCT
ap-666	17	1	until	until	SCONJ
ap-666	17	2	recently	recently	ADV
ap-666	17	3	,	,	PUNCT
ap-666	17	4	schema	schema	NOUN
ap-666	17	5	matching	matching	NOUN
ap-666	17	6	operations	operation	NOUN
ap-666	17	7	have	have	AUX
ap-666	17	8	typically	typically	ADV
ap-666	17	9	been	be	AUX
ap-666	17	10	performed	perform	VERB
ap-666	17	11	manually	manually	ADV
ap-666	17	12	,	,	PUNCT
ap-666	17	13	sometimes	sometimes	ADV
ap-666	17	14	with	with	ADP
ap-666	17	15	some	some	DET
ap-666	17	16	support	support	NOUN
ap-666	17	17	from	from	ADP
ap-666	17	18	graphical	graphical	ADJ
ap-666	17	19	tools	tool	NOUN
ap-666	17	20	,	,	PUNCT
ap-666	17	21	and	and	CCONJ
ap-666	17	22	therefore	therefore	ADV
ap-666	17	23	they	they	PRON
ap-666	17	24	are	be	AUX
ap-666	17	25	time	time	NOUN
ap-666	17	26	-	-	PUNCT
ap-666	17	27	consuming	consume	VERB
ap-666	17	28	and	and	CCONJ
ap-666	17	29	error	error	NOUN
ap-666	17	30	-	-	PUNCT
ap-666	17	31	prone	prone	ADJ
ap-666	17	32	.	.	PUNCT
ap-666	18	1	moreover	moreover	ADV
ap-666	18	2	,	,	PUNCT
ap-666	18	3	as	as	SCONJ
ap-666	18	4	systems	system	NOUN
ap-666	18	5	become	become	VERB
ap-666	18	6	able	able	ADJ
ap-666	18	7	to	to	PART
ap-666	18	8	handle	handle	VERB
ap-666	18	9	more	more	ADJ
ap-666	18	10	complex	complex	ADJ
ap-666	18	11	databases	database	NOUN
ap-666	18	12	and	and	CCONJ
ap-666	18	13	applications	application	NOUN
ap-666	18	14	,	,	PUNCT
ap-666	18	15	their	their	PRON
ap-666	18	16	schemas	schema	NOUN
ap-666	18	17	become	become	VERB
ap-666	18	18	larger	large	ADJ
ap-666	18	19	.	.	PUNCT
ap-666	19	1	this	this	PRON
ap-666	19	2	increases	increase	VERB
ap-666	19	3	the	the	DET
ap-666	19	4	number	number	NOUN
ap-666	19	5	of	of	ADP
ap-666	19	6	matches	match	NOUN
ap-666	19	7	to	to	PART
ap-666	19	8	be	be	AUX
ap-666	19	9	performed	perform	VERB
ap-666	19	10	.	.	PUNCT
ap-666	20	1	the	the	DET
ap-666	20	2	main	main	ADJ
ap-666	20	3	goal	goal	NOUN
ap-666	20	4	of	of	ADP
ap-666	20	5	this	this	DET
ap-666	20	6	paper	paper	NOUN
ap-666	20	7	is	be	AUX
ap-666	20	8	to	to	PART
ap-666	20	9	survey	survey	VERB
ap-666	20	10	briefly	briefly	ADV
ap-666	20	11	the	the	DET
ap-666	20	12	different	different	ADJ
ap-666	20	13	issues	issue	NOUN
ap-666	20	14	that	that	PRON
ap-666	20	15	arise	arise	VERB
ap-666	20	16	in	in	ADP
ap-666	20	17	managing	manage	VERB
ap-666	20	18	schemas	schema	NOUN
ap-666	20	19	and	and	CCONJ
ap-666	20	20	to	to	PART
ap-666	20	21	show	show	VERB
ap-666	20	22	how	how	SCONJ
ap-666	20	23	they	they	PRON
ap-666	20	24	are	be	AUX
ap-666	20	25	tackled	tackle	VERB
ap-666	20	26	from	from	ADP
ap-666	20	27	different	different	ADJ
ap-666	20	28	perspectives	perspective	NOUN
ap-666	20	29	.	.	PUNCT
ap-666	21	1	the	the	DET
ap-666	21	2	remainder	remainder	NOUN
ap-666	21	3	of	of	ADP
ap-666	21	4	the	the	DET
ap-666	21	5	paper	paper	NOUN
ap-666	21	6	is	be	AUX
ap-666	21	7	structured	structure	VERB
ap-666	21	8	as	as	ADP
ap-666	21	9	follow	follow	NOUN
ap-666	21	10	.	.	PUNCT
ap-666	22	1	section	section	NOUN
ap-666	22	2	2	2	NUM
ap-666	22	3	describes	describe	VERB
ap-666	22	4	schema	schema	NOUN
ap-666	22	5	heterogeneity	heterogeneity	NOUN
ap-666	22	6	.	.	PUNCT
ap-666	23	1	section	section	NOUN
ap-666	23	2	3	3	NUM
ap-666	23	3	presents	present	VERB
ap-666	23	4	schema	schema	NOUN
ap-666	23	5	matching	match	VERB
ap-666	23	6	approaches	approach	NOUN
ap-666	23	7	.	.	PUNCT
ap-666	24	1	section	section	NOUN
ap-666	24	2	4	4	NUM
ap-666	24	3	introduces	introduce	NOUN
ap-666	24	4	schema	schema	NOUN
ap-666	24	5	integration	integration	NOUN
ap-666	24	6	methodologies	methodology	NOUN
ap-666	24	7	.	.	PUNCT
ap-666	25	1	section	section	NOUN
ap-666	25	2	5	5	NUM
ap-666	25	3	describes	describe	VERB
ap-666	25	4	data	datum	NOUN
ap-666	25	5	integration	integration	NOUN
ap-666	25	6	.	.	PUNCT
ap-666	26	1	in	in	ADP
ap-666	26	2	section	section	NOUN
ap-666	26	3	6	6	NUM
ap-666	26	4	we	we	PRON
ap-666	26	5	present	present	VERB
ap-666	26	6	our	our	PRON
ap-666	26	7	proposal	proposal	NOUN
ap-666	26	8	for	for	ADP
ap-666	26	9	a	a	DET
ap-666	26	10	data	data	NOUN
ap-666	26	11	integration	integration	NOUN
ap-666	26	12	system	system	NOUN
ap-666	26	13	in	in	ADP
ap-666	26	14	the	the	DET
ap-666	26	15	context	context	NOUN
ap-666	26	16	of	of	ADP
ap-666	26	17	heterogeneous	heterogeneous	ADJ
ap-666	26	18	xml	xml	NOUN
ap-666	26	19	data	datum	NOUN
ap-666	26	20	sources	source	NOUN
ap-666	26	21	.	.	PUNCT
ap-666	27	1	section	section	NOUN
ap-666	27	2	7	7	NUM
ap-666	27	3	concludes	conclude	VERB
ap-666	27	4	the	the	DET
ap-666	27	5	paper	paper	NOUN
ap-666	27	6	.	.	PUNCT
ap-666	28	1	2	2	NUM
ap-666	28	2	schema	schema	NOUN
ap-666	28	3	heterogeneity	heterogeneity	NOUN
ap-666	28	4	schemas	schema	NOUN
ap-666	28	5	developed	develop	VERB
ap-666	28	6	for	for	ADP
ap-666	28	7	different	different	ADJ
ap-666	28	8	applications	application	NOUN
ap-666	28	9	are	be	AUX
ap-666	28	10	heterogeneous	heterogeneous	ADJ
ap-666	28	11	in	in	ADP
ap-666	28	12	nature	nature	NOUN
ap-666	28	13	,	,	PUNCT
ap-666	28	14	i.e.	i.e.	X
ap-666	28	15	although	although	SCONJ
ap-666	28	16	the	the	DET
ap-666	28	17	data	data	NOUN
ap-666	28	18	is	be	AUX
ap-666	28	19	semantically	semantically	ADV
ap-666	28	20	similar	similar	ADJ
ap-666	28	21	,	,	PUNCT
ap-666	28	22	the	the	DET
ap-666	28	23	structure	structure	NOUN
ap-666	28	24	and	and	CCONJ
ap-666	28	25	syntax	syntax	NOUN
ap-666	28	26	of	of	ADP
ap-666	28	27	its	its	PRON
ap-666	28	28	representation	representation	NOUN
ap-666	28	29	are	be	AUX
ap-666	28	30	different	different	ADJ
ap-666	28	31	.	.	PUNCT
ap-666	29	1	data	datum	NOUN
ap-666	29	2	heterogeneity	heterogeneity	NOUN
ap-666	29	3	is	be	AUX
ap-666	29	4	classified	classify	VERB
ap-666	29	5	according	accord	VERB
ap-666	29	6	to	to	ADP
ap-666	29	7	the	the	DET
ap-666	29	8	level	level	NOUN
ap-666	29	9	of	of	ADP
ap-666	29	10	abstraction	abstraction	NOUN
ap-666	29	11	at	at	ADP
ap-666	29	12	which	which	PRON
ap-666	29	13	they	they	PRON
ap-666	29	14	are	be	AUX
ap-666	29	15	detected	detect	VERB
ap-666	29	16	and	and	CCONJ
ap-666	29	17	handled	handle	VERB
ap-666	29	18	(	(	PUNCT
ap-666	29	19	data	datum	NOUN
ap-666	29	20	instance	instance	NOUN
ap-666	29	21	,	,	PUNCT
ap-666	29	22	schema	schema	NOUN
ap-666	29	23	or	or	CCONJ
ap-666	29	24	data	datum	NOUN
ap-666	29	25	model	model	NOUN
ap-666	29	26	)	)	PUNCT
ap-666	29	27	.	.	PUNCT
ap-666	30	1	schema	schema	NOUN
ap-666	30	2	heterogeneity	heterogeneity	NOUN
ap-666	30	3	arises	arise	VERB
ap-666	30	4	due	due	ADJ
ap-666	30	5	to	to	ADP
ap-666	30	6	different	different	ADJ
ap-666	30	7	alternatives	alternative	NOUN
ap-666	30	8	provided	provide	VERB
ap-666	30	9	by	by	ADP
ap-666	30	10	one	one	NUM
ap-666	30	11	data	datum	NOUN
ap-666	30	12	model	model	NOUN
ap-666	30	13	to	to	PART
ap-666	30	14	develop	develop	VERB
ap-666	30	15	schemas	schema	NOUN
ap-666	30	16	from	from	ADP
ap-666	30	17	the	the	DET
ap-666	30	18	same	same	ADJ
ap-666	30	19	part	part	NOUN
ap-666	30	20	of	of	ADP
ap-666	30	21	the	the	DET
ap-666	30	22	real	real	ADJ
ap-666	30	23	world	world	NOUN
ap-666	30	24	.	.	PUNCT
ap-666	31	1	for	for	ADP
ap-666	31	2	example	example	NOUN
ap-666	31	3	,	,	PUNCT
ap-666	31	4	a	a	DET
ap-666	31	5	data	data	NOUN
ap-666	31	6	element	element	NOUN
ap-666	31	7	modelled	model	VERB
ap-666	31	8	as	as	ADP
ap-666	31	9	an	an	DET
ap-666	31	10	attribute	attribute	NOUN
ap-666	31	11	in	in	ADP
ap-666	31	12	one	one	NUM
ap-666	31	13	relational	relational	ADJ
ap-666	31	14	schema	schema	NOUN
ap-666	31	15	may	may	AUX
ap-666	31	16	be	be	AUX
ap-666	31	17	modelled	model	VERB
ap-666	31	18	as	as	ADP
ap-666	31	19	a	a	DET
ap-666	31	20	relation	relation	NOUN
ap-666	31	21	in	in	ADP
ap-666	31	22	another	another	DET
ap-666	31	23	relational	relational	ADJ
ap-666	31	24	schema	schema	NOUN
ap-666	31	25	for	for	ADP
ap-666	31	26	the	the	DET
ap-666	31	27	same	same	ADJ
ap-666	31	28	application	application	NOUN
ap-666	31	29	domain	domain	NOUN
ap-666	31	30	.	.	PUNCT
ap-666	32	1	the	the	DET
ap-666	32	2	heterogeneity	heterogeneity	NOUN
ap-666	32	3	of	of	ADP
ap-666	32	4	schemas	schema	NOUN
ap-666	32	5	can	can	AUX
ap-666	32	6	be	be	AUX
ap-666	32	7	classified	classify	VERB
ap-666	32	8	into	into	ADP
ap-666	32	9	three	three	NUM
ap-666	32	10	broad	broad	ADJ
ap-666	32	11	categories	category	NOUN
ap-666	32	12	:	:	PUNCT
ap-666	32	13	�	�	PROPN
ap-666	32	14	platform	platform	NOUN
ap-666	32	15	and	and	CCONJ
ap-666	32	16	system	system	NOUN
ap-666	32	17	heterogeneity	heterogeneity	NOUN
ap-666	32	18	[	[	X
ap-666	32	19	22	22	NUM
ap-666	32	20	]	]	PUNCT
ap-666	32	21	–	–	PUNCT
ap-666	32	22	differences	difference	NOUN
ap-666	32	23	in	in	ADP
ap-666	32	24	operating	operating	NOUN
ap-666	32	25	systems	system	NOUN
ap-666	32	26	,	,	PUNCT
ap-666	32	27	hardware	hardware	NOUN
ap-666	32	28	,	,	PUNCT
ap-666	32	29	and	and	CCONJ
ap-666	32	30	dbms	dbms	PROPN
ap-666	32	31	systems	system	NOUN
ap-666	32	32	.	.	PUNCT
ap-666	33	1	�	�	PROPN
ap-666	33	2	syntactic	syntactic	ADJ
ap-666	33	3	and	and	CCONJ
ap-666	33	4	structural	structural	ADJ
ap-666	33	5	heterogeneity	heterogeneity	NOUN
ap-666	33	6	,	,	PUNCT
ap-666	33	7	which	which	PRON
ap-666	33	8	encompasses	encompass	VERB
ap-666	33	9	the	the	DET
ap-666	33	10	differences	difference	NOUN
ap-666	33	11	between	between	ADP
ap-666	33	12	data	datum	NOUN
ap-666	33	13	model	model	NOUN
ap-666	33	14	,	,	PUNCT
ap-666	33	15	schema	schema	VERB
ap-666	33	16	isomorphism	isomorphism	NOUN
ap-666	33	17	[	[	X
ap-666	33	18	35	35	NUM
ap-666	33	19	]	]	PUNCT
ap-666	33	20	,	,	PUNCT
ap-666	33	21	domain	domain	NOUN
ap-666	33	22	,	,	PUNCT
ap-666	33	23	and	and	CCONJ
ap-666	33	24	entity	entity	NOUN
ap-666	33	25	definition	definition	NOUN
ap-666	33	26	incompatibility	incompatibility	NOUN
ap-666	33	27	[	[	X
ap-666	33	28	14	14	NUM
ap-666	33	29	]	]	PUNCT
ap-666	33	30	and	and	CCONJ
ap-666	33	31	data	datum	NOUN
ap-666	33	32	value	value	NOUN
ap-666	33	33	incompatibility	incompatibility	NOUN
ap-666	33	34	[	[	X
ap-666	33	35	10	10	NUM
ap-666	33	36	]	]	PUNCT
ap-666	33	37	.	.	PUNCT
ap-666	34	1	�	�	PROPN
ap-666	34	2	semantic	semantic	ADJ
ap-666	34	3	heterogeneity	heterogeneity	NOUN
ap-666	34	4	–	–	PUNCT
ap-666	34	5	this	this	PRON
ap-666	34	6	includes	include	VERB
ap-666	34	7	naming	naming	NOUN
ap-666	34	8	conflicts	conflict	NOUN
ap-666	34	9	(	(	PUNCT
ap-666	34	10	synonym	synonym	NOUN
ap-666	34	11	and	and	CCONJ
ap-666	34	12	homonyms	homonym	NOUN
ap-666	34	13	)	)	PUNCT
ap-666	34	14	and	and	CCONJ
ap-666	34	15	abstraction	abstraction	NOUN
ap-666	34	16	level	level	NOUN
ap-666	34	17	conflicts	conflict	NOUN
ap-666	34	18	[	[	X
ap-666	34	19	23	23	NUM
ap-666	34	20	]	]	PUNCT
ap-666	34	21	due	due	ADP
ap-666	34	22	to	to	ADP
ap-666	34	23	generalization	generalization	NOUN
ap-666	34	24	and	and	CCONJ
ap-666	34	25	aggregation	aggregation	NOUN
ap-666	34	26	.	.	PUNCT
ap-666	35	1	3	3	NUM
ap-666	35	2	schema	schema	NOUN
ap-666	35	3	matching	match	VERB
ap-666	35	4	to	to	PART
ap-666	35	5	integrate	integrate	VERB
ap-666	35	6	or	or	CCONJ
ap-666	35	7	reconcile	reconcile	ADJ
ap-666	35	8	schemas	schema	NOUN
ap-666	35	9	we	we	PRON
ap-666	35	10	must	must	AUX
ap-666	35	11	understand	understand	VERB
ap-666	35	12	how	how	SCONJ
ap-666	35	13	they	they	PRON
ap-666	35	14	correspond	correspond	VERB
ap-666	35	15	.	.	PUNCT
ap-666	36	1	if	if	SCONJ
ap-666	36	2	the	the	DET
ap-666	36	3	schemas	schema	NOUN
ap-666	36	4	are	be	AUX
ap-666	36	5	to	to	PART
ap-666	36	6	be	be	AUX
ap-666	36	7	integrated	integrate	VERB
ap-666	36	8	,	,	PUNCT
ap-666	36	9	the	the	DET
ap-666	36	10	corresponding	corresponding	ADJ
ap-666	36	11	information	information	NOUN
ap-666	36	12	should	should	AUX
ap-666	36	13	be	be	AUX
ap-666	36	14	reconciled	reconcile	VERB
ap-666	36	15	and	and	CCONJ
ap-666	36	16	modelled	model	VERB
ap-666	36	17	in	in	ADP
ap-666	36	18	a	a	DET
ap-666	36	19	single	single	ADJ
ap-666	36	20	consistent	consistent	ADJ
ap-666	36	21	way	way	NOUN
ap-666	36	22	.	.	PUNCT
ap-666	37	1	methods	method	NOUN
ap-666	37	2	for	for	ADP
ap-666	37	3	automating	automate	VERB
ap-666	37	4	the	the	DET
ap-666	37	5	discovery	discovery	NOUN
ap-666	37	6	of	of	ADP
ap-666	37	7	correspondences	correspondence	NOUN
ap-666	37	8	use	use	VERB
ap-666	37	9	linguistic	linguistic	ADJ
ap-666	37	10	reasoning	reasoning	NOUN
ap-666	37	11	on	on	ADP
ap-666	37	12	schema	schema	NOUN
ap-666	37	13	labels	label	NOUN
ap-666	37	14	and	and	CCONJ
ap-666	37	15	the	the	DET
ap-666	37	16	syntactic	syntactic	ADJ
ap-666	37	17	structure	structure	NOUN
ap-666	37	18	of	of	ADP
ap-666	37	19	the	the	DET
ap-666	37	20	schema	schema	NOUN
ap-666	37	21	.	.	PUNCT
ap-666	38	1	such	such	ADJ
ap-666	38	2	methods	method	NOUN
ap-666	38	3	have	have	AUX
ap-666	38	4	come	come	VERB
ap-666	38	5	to	to	PART
ap-666	38	6	be	be	AUX
ap-666	38	7	referred	refer	VERB
ap-666	38	8	to	to	ADP
ap-666	38	9	as	as	ADP
ap-666	38	10	schema	schema	NOUN
ap-666	38	11	matching	match	VERB
ap-666	38	12	.	.	PUNCT
ap-666	39	1	schema	schema	NOUN
ap-666	39	2	matching	match	VERB
ap-666	39	3	is	be	AUX
ap-666	39	4	a	a	DET
ap-666	39	5	basic	basic	ADJ
ap-666	39	6	problem	problem	NOUN
ap-666	39	7	in	in	ADP
ap-666	39	8	many	many	ADJ
ap-666	39	9	database	database	NOUN
ap-666	39	10	application	application	NOUN
ap-666	39	11	domains	domain	NOUN
ap-666	39	12	,	,	PUNCT
ap-666	39	13	such	such	ADJ
ap-666	39	14	as	as	ADP
ap-666	39	15	data	data	NOUN
ap-666	39	16	integration	integration	NOUN
ap-666	39	17	,	,	PUNCT
ap-666	39	18	e	e	NOUN
ap-666	39	19	-	-	NOUN
ap-666	39	20	business	business	NOUN
ap-666	39	21	,	,	PUNCT
ap-666	39	22	data	datum	NOUN
ap-666	39	23	warehousing	warehousing	NOUN
ap-666	39	24	,	,	PUNCT
ap-666	39	25	and	and	CCONJ
ap-666	39	26	semantic	semantic	ADJ
ap-666	39	27	query	query	NOUN
ap-666	39	28	processing	processing	NOUN
ap-666	39	29	.	.	PUNCT
ap-666	40	1	24	24	NUM
ap-666	40	2	©	©	PROPN
ap-666	40	3	czech	czech	PROPN
ap-666	40	4	technical	technical	PROPN
ap-666	40	5	university	university	PROPN
ap-666	40	6	publishing	publishing	NOUN
ap-666	40	7	housee	housee	PROPN
ap-666	40	8	http://ctn.cvut.cz/ap/	http://ctn.cvut.cz/ap/	PROPN
ap-666	40	9	acta	acta	PROPN
ap-666	40	10	polytechnica	polytechnica	PROPN
ap-666	40	11	vol	vol	NOUN
ap-666	40	12	.	.	PROPN
ap-666	41	1	45	45	NUM
ap-666	41	2	no	no	NOUN
ap-666	41	3	.	.	PUNCT
ap-666	42	1	1/2005	1/2005	NUM
ap-666	42	2	czech	czech	PROPN
ap-666	42	3	technical	technical	PROPN
ap-666	42	4	university	university	PROPN
ap-666	42	5	in	in	ADP
ap-666	42	6	prague	prague	PROPN
ap-666	42	7	schema	schema	NOUN
ap-666	42	8	management	management	NOUN
ap-666	42	9	for	for	ADP
ap-666	42	10	data	data	NOUN
ap-666	42	11	integration	integration	NOUN
ap-666	42	12	:	:	PUNCT
ap-666	42	13	a	a	DET
ap-666	42	14	short	short	ADJ
ap-666	42	15	survey	survey	NOUN
ap-666	42	16	a.	a.	NOUN
ap-666	42	17	almarimi	almarimi	PROPN
ap-666	42	18	,	,	PUNCT
ap-666	42	19	j.	j.	PROPN
ap-666	42	20	pokorný	pokorný	PROPN
ap-666	42	21	schema	schema	NOUN
ap-666	42	22	management	management	NOUN
ap-666	42	23	is	be	AUX
ap-666	42	24	a	a	DET
ap-666	42	25	basic	basic	ADJ
ap-666	42	26	problem	problem	NOUN
ap-666	42	27	in	in	ADP
ap-666	42	28	many	many	ADJ
ap-666	42	29	database	database	NOUN
ap-666	42	30	application	application	NOUN
ap-666	42	31	domains	domain	NOUN
ap-666	42	32	such	such	ADJ
ap-666	42	33	as	as	ADP
ap-666	42	34	data	data	NOUN
ap-666	42	35	integration	integration	NOUN
ap-666	42	36	systems	system	NOUN
ap-666	42	37	.	.	PUNCT
ap-666	43	1	users	user	NOUN
ap-666	43	2	need	need	VERB
ap-666	43	3	to	to	PART
ap-666	43	4	access	access	VERB
ap-666	43	5	and	and	CCONJ
ap-666	43	6	manipulate	manipulate	VERB
ap-666	43	7	data	datum	NOUN
ap-666	43	8	from	from	ADP
ap-666	43	9	several	several	ADJ
ap-666	43	10	databases	database	NOUN
ap-666	43	11	.	.	PUNCT
ap-666	44	1	in	in	ADP
ap-666	44	2	this	this	DET
ap-666	44	3	context	context	NOUN
ap-666	44	4	,	,	PUNCT
ap-666	44	5	in	in	ADP
ap-666	44	6	order	order	NOUN
ap-666	44	7	to	to	PART
ap-666	44	8	integrate	integrate	VERB
ap-666	44	9	data	datum	NOUN
ap-666	44	10	from	from	ADP
ap-666	44	11	distributed	distribute	VERB
ap-666	44	12	heterogeneous	heterogeneous	ADJ
ap-666	44	13	database	database	NOUN
ap-666	44	14	sources	source	NOUN
ap-666	44	15	,	,	PUNCT
ap-666	44	16	data	datum	NOUN
ap-666	44	17	integration	integration	NOUN
ap-666	44	18	systems	system	NOUN
ap-666	44	19	demand	demand	VERB
ap-666	44	20	the	the	DET
ap-666	44	21	resolution	resolution	NOUN
ap-666	44	22	of	of	ADP
ap-666	44	23	several	several	ADJ
ap-666	44	24	issues	issue	NOUN
ap-666	44	25	that	that	PRON
ap-666	44	26	arise	arise	VERB
ap-666	44	27	in	in	ADP
ap-666	44	28	managing	manage	VERB
ap-666	44	29	schemas	schema	NOUN
ap-666	44	30	.	.	PUNCT
ap-666	45	1	in	in	ADP
ap-666	45	2	this	this	DET
ap-666	45	3	paper	paper	NOUN
ap-666	45	4	,	,	PUNCT
ap-666	45	5	we	we	PRON
ap-666	45	6	present	present	VERB
ap-666	45	7	a	a	DET
ap-666	45	8	brief	brief	ADJ
ap-666	45	9	survey	survey	NOUN
ap-666	45	10	of	of	ADP
ap-666	45	11	the	the	DET
ap-666	45	12	problem	problem	NOUN
ap-666	45	13	of	of	ADP
ap-666	45	14	schema	schema	NOUN
ap-666	45	15	matching	match	VERB
ap-666	45	16	which	which	PRON
ap-666	45	17	is	be	AUX
ap-666	45	18	used	use	VERB
ap-666	45	19	for	for	ADP
ap-666	45	20	solving	solve	VERB
ap-666	45	21	problems	problem	NOUN
ap-666	45	22	of	of	ADP
ap-666	45	23	schema	schema	NOUN
ap-666	45	24	integration	integration	NOUN
ap-666	45	25	processing	processing	NOUN
ap-666	45	26	.	.	PUNCT
ap-666	46	1	moreover	moreover	ADV
ap-666	46	2	,	,	PUNCT
ap-666	46	3	we	we	PRON
ap-666	46	4	propose	propose	VERB
ap-666	46	5	a	a	DET
ap-666	46	6	technique	technique	NOUN
ap-666	46	7	for	for	ADP
ap-666	46	8	integrating	integrate	VERB
ap-666	46	9	and	and	CCONJ
ap-666	46	10	querying	query	VERB
ap-666	46	11	distributed	distribute	VERB
ap-666	46	12	heterogeneous	heterogeneous	ADJ
ap-666	46	13	xml	xml	NOUN
ap-666	46	14	schemas	schema	NOUN
ap-666	46	15	.	.	PUNCT
ap-666	47	1	keywords	keyword	NOUN
ap-666	47	2	:	:	PUNCT
ap-666	47	3	schema	schema	NOUN
ap-666	47	4	matching	matching	NOUN
ap-666	47	5	,	,	PUNCT
ap-666	47	6	schema	schema	NOUN
ap-666	47	7	integration	integration	NOUN
ap-666	47	8	,	,	PUNCT
ap-666	47	9	data	datum	NOUN
ap-666	47	10	integration	integration	NOUN
ap-666	47	11	.	.	PUNCT
ap-666	48	1	to	to	PART
ap-666	48	2	motivate	motivate	VERB
ap-666	48	3	the	the	DET
ap-666	48	4	importance	importance	NOUN
ap-666	48	5	of	of	ADP
ap-666	48	6	schema	schema	NOUN
ap-666	48	7	matching	match	VERB
ap-666	48	8	,	,	PUNCT
ap-666	48	9	we	we	PRON
ap-666	48	10	should	should	AUX
ap-666	48	11	understand	understand	VERB
ap-666	48	12	the	the	DET
ap-666	48	13	relation	relation	NOUN
ap-666	48	14	between	between	ADP
ap-666	48	15	a	a	DET
ap-666	48	16	symbol	symbol	NOUN
ap-666	48	17	and	and	CCONJ
ap-666	48	18	its	its	PRON
ap-666	48	19	meaning	meaning	NOUN
ap-666	48	20	.	.	PUNCT
ap-666	49	1	we	we	PRON
ap-666	49	2	can	can	AUX
ap-666	49	3	consider	consider	VERB
ap-666	49	4	a	a	DET
ap-666	49	5	word	word	NOUN
ap-666	49	6	to	to	PART
ap-666	49	7	be	be	AUX
ap-666	49	8	a	a	DET
ap-666	49	9	symbol	symbol	NOUN
ap-666	49	10	that	that	PRON
ap-666	49	11	evokes	evoke	VERB
ap-666	49	12	a	a	DET
ap-666	49	13	concept	concept	NOUN
ap-666	49	14	which	which	PRON
ap-666	49	15	refers	refer	VERB
ap-666	49	16	to	to	ADP
ap-666	49	17	a	a	DET
ap-666	49	18	thing	thing	NOUN
ap-666	49	19	.	.	PUNCT
ap-666	50	1	the	the	DET
ap-666	50	2	meaning	meaning	NOUN
ap-666	50	3	is	be	AUX
ap-666	50	4	in	in	ADP
ap-666	50	5	the	the	DET
ap-666	50	6	application	application	NOUN
ap-666	50	7	that	that	PRON
ap-666	50	8	deals	deal	VERB
ap-666	50	9	with	with	ADP
ap-666	50	10	the	the	DET
ap-666	50	11	symbol	symbol	NOUN
ap-666	50	12	,	,	PUNCT
ap-666	50	13	and	and	CCONJ
ap-666	50	14	in	in	ADP
ap-666	50	15	general	general	ADJ
ap-666	50	16	in	in	ADP
ap-666	50	17	the	the	DET
ap-666	50	18	mind	mind	NOUN
ap-666	50	19	of	of	ADP
ap-666	50	20	the	the	DET
ap-666	50	21	designer	designer	NOUN
ap-666	50	22	,	,	PUNCT
ap-666	50	23	and	and	CCONJ
ap-666	50	24	not	not	PART
ap-666	50	25	in	in	ADP
ap-666	50	26	the	the	DET
ap-666	50	27	symbol	symbol	NOUN
ap-666	50	28	itself	itself	PRON
ap-666	50	29	.	.	PUNCT
ap-666	51	1	hence	hence	ADV
ap-666	51	2	,	,	PUNCT
ap-666	51	3	it	it	PRON
ap-666	51	4	is	be	AUX
ap-666	51	5	difficult	difficult	ADJ
ap-666	51	6	to	to	PART
ap-666	51	7	discover	discover	VERB
ap-666	51	8	the	the	DET
ap-666	51	9	meaning	meaning	NOUN
ap-666	51	10	of	of	ADP
ap-666	51	11	a	a	DET
ap-666	51	12	symbol	symbol	NOUN
ap-666	51	13	.	.	PUNCT
ap-666	52	1	the	the	DET
ap-666	52	2	problem	problem	NOUN
ap-666	52	3	gets	get	VERB
ap-666	52	4	more	more	ADV
ap-666	52	5	complicated	complicated	ADJ
ap-666	52	6	as	as	ADV
ap-666	52	7	soon	soon	ADV
ap-666	52	8	as	as	SCONJ
ap-666	52	9	we	we	PRON
ap-666	52	10	move	move	VERB
ap-666	52	11	to	to	ADP
ap-666	52	12	a	a	DET
ap-666	52	13	more	more	ADV
ap-666	52	14	realistic	realistic	ADJ
ap-666	52	15	situation	situation	NOUN
ap-666	52	16	in	in	ADP
ap-666	52	17	which	which	PRON
ap-666	52	18	,	,	PUNCT
ap-666	52	19	for	for	ADP
ap-666	52	20	example	example	NOUN
ap-666	52	21	,	,	PUNCT
ap-666	52	22	an	an	DET
ap-666	52	23	attribute	attribute	NOUN
ap-666	52	24	in	in	ADP
ap-666	52	25	one	one	NUM
ap-666	52	26	schema	schema	NOUN
ap-666	52	27	is	be	AUX
ap-666	52	28	meant	mean	VERB
ap-666	52	29	to	to	PART
ap-666	52	30	be	be	AUX
ap-666	52	31	mapped	map	VERB
ap-666	52	32	in	in	ADP
ap-666	52	33	two	two	NUM
ap-666	52	34	more	more	ADV
ap-666	52	35	specialized	specialized	ADJ
ap-666	52	36	attributes	attribute	NOUN
ap-666	52	37	in	in	ADP
ap-666	52	38	another	another	DET
ap-666	52	39	schema	schema	NOUN
ap-666	52	40	.	.	PUNCT
ap-666	53	1	in	in	ADP
ap-666	53	2	general	general	ADJ
ap-666	53	3	we	we	PRON
ap-666	53	4	can	can	AUX
ap-666	53	5	say	say	VERB
ap-666	53	6	that	that	SCONJ
ap-666	53	7	the	the	DET
ap-666	53	8	difficulty	difficulty	NOUN
ap-666	53	9	of	of	ADP
ap-666	53	10	schema	schema	NOUN
ap-666	53	11	matching	match	VERB
ap-666	53	12	is	be	AUX
ap-666	53	13	related	relate	VERB
ap-666	53	14	to	to	ADP
ap-666	53	15	the	the	DET
ap-666	53	16	lack	lack	NOUN
ap-666	53	17	of	of	ADP
ap-666	53	18	any	any	DET
ap-666	53	19	formal	formal	ADJ
ap-666	53	20	way	way	NOUN
ap-666	53	21	to	to	PART
ap-666	53	22	expose	expose	VERB
ap-666	53	23	the	the	DET
ap-666	53	24	intended	intend	VERB
ap-666	53	25	semantic	semantic	NOUN
ap-666	53	26	of	of	ADP
ap-666	53	27	the	the	DET
ap-666	53	28	schema	schema	NOUN
ap-666	53	29	.	.	PUNCT
ap-666	54	1	to	to	PART
ap-666	54	2	define	define	VERB
ap-666	54	3	a	a	DET
ap-666	54	4	match	match	NOUN
ap-666	54	5	operation	operation	NOUN
ap-666	54	6	,	,	PUNCT
ap-666	54	7	a	a	DET
ap-666	54	8	particular	particular	ADJ
ap-666	54	9	structure	structure	NOUN
ap-666	54	10	for	for	ADP
ap-666	54	11	its	its	PRON
ap-666	54	12	input	input	NOUN
ap-666	54	13	schemas	schema	NOUN
ap-666	54	14	and	and	CCONJ
ap-666	54	15	output	output	NOUN
ap-666	54	16	mapping	mapping	NOUN
ap-666	54	17	must	must	AUX
ap-666	54	18	be	be	AUX
ap-666	54	19	chosen	choose	VERB
ap-666	54	20	.	.	PUNCT
ap-666	55	1	it	it	PRON
ap-666	55	2	can	can	AUX
ap-666	55	3	be	be	AUX
ap-666	55	4	represented	represent	VERB
ap-666	55	5	by	by	ADP
ap-666	55	6	an	an	DET
ap-666	55	7	entityrelationship	entityrelationship	NOUN
ap-666	55	8	model	model	NOUN
ap-666	55	9	,	,	PUNCT
ap-666	55	10	an	an	DET
ap-666	55	11	object	object	NOUN
ap-666	55	12	-	-	PUNCT
ap-666	55	13	oriented	orient	VERB
ap-666	55	14	model	model	NOUN
ap-666	55	15	,	,	PUNCT
ap-666	55	16	xml	xml	NOUN
ap-666	55	17	,	,	PUNCT
ap-666	55	18	or	or	CCONJ
ap-666	55	19	directed	direct	VERB
ap-666	55	20	graphs	graph	NOUN
ap-666	55	21	.	.	PUNCT
ap-666	56	1	in	in	ADP
ap-666	56	2	each	each	DET
ap-666	56	3	sort	sort	NOUN
ap-666	56	4	of	of	ADP
ap-666	56	5	representation	representation	NOUN
ap-666	56	6	,	,	PUNCT
ap-666	56	7	there	there	PRON
ap-666	56	8	is	be	VERB
ap-666	56	9	a	a	DET
ap-666	56	10	correspondence	correspondence	NOUN
ap-666	56	11	among	among	ADP
ap-666	56	12	the	the	DET
ap-666	56	13	set	set	NOUN
ap-666	56	14	of	of	ADP
ap-666	56	15	elements	element	NOUN
ap-666	56	16	of	of	ADP
ap-666	56	17	the	the	DET
ap-666	56	18	schemas	schema	NOUN
ap-666	56	19	.	.	PUNCT
ap-666	57	1	for	for	ADP
ap-666	57	2	example	example	NOUN
ap-666	57	3	,	,	PUNCT
ap-666	57	4	entities	entity	NOUN
ap-666	57	5	and	and	CCONJ
ap-666	57	6	attributes	attribute	NOUN
ap-666	57	7	in	in	ADP
ap-666	57	8	an	an	DET
ap-666	57	9	entity	entity	NOUN
ap-666	57	10	-	-	PUNCT
ap-666	57	11	relationship	relationship	NOUN
ap-666	57	12	model;	model;	NOUN
ap-666	57	13	objects	object	VERB
ap-666	57	14	in	in	ADP
ap-666	57	15	an	an	DET
ap-666	57	16	object	object	NOUN
ap-666	57	17	oriented	orient	VERB
ap-666	57	18	model;	model;	NOUN
ap-666	57	19	elements	element	NOUN
ap-666	57	20	in	in	ADP
ap-666	57	21	xml;	xml;	PROPN
ap-666	57	22	and	and	CCONJ
ap-666	57	23	nodes	node	NOUN
ap-666	57	24	and	and	CCONJ
ap-666	57	25	edges	edge	NOUN
ap-666	57	26	in	in	ADP
ap-666	57	27	graphs	graph	NOUN
ap-666	57	28	.	.	PUNCT
ap-666	58	1	a	a	DET
ap-666	58	2	mapping	mapping	NOUN
ap-666	58	3	is	be	AUX
ap-666	58	4	defined	define	VERB
ap-666	58	5	to	to	PART
ap-666	58	6	be	be	AUX
ap-666	58	7	a	a	DET
ap-666	58	8	set	set	NOUN
ap-666	58	9	of	of	ADP
ap-666	58	10	mapping	mapping	NOUN
ap-666	58	11	elements	element	NOUN
ap-666	58	12	,	,	PUNCT
ap-666	58	13	each	each	PRON
ap-666	58	14	of	of	ADP
ap-666	58	15	which	which	PRON
ap-666	58	16	indicates	indicate	VERB
ap-666	58	17	how	how	SCONJ
ap-666	58	18	the	the	DET
ap-666	58	19	elements	element	NOUN
ap-666	58	20	in	in	ADP
ap-666	58	21	the	the	DET
ap-666	58	22	schemas	schema	NOUN
ap-666	58	23	are	be	AUX
ap-666	58	24	related	relate	VERB
ap-666	58	25	.	.	PUNCT
ap-666	59	1	there	there	PRON
ap-666	59	2	are	be	VERB
ap-666	59	3	several	several	ADJ
ap-666	59	4	classification	classification	NOUN
ap-666	59	5	criteria	criterion	NOUN
ap-666	59	6	that	that	PRON
ap-666	59	7	must	must	AUX
ap-666	59	8	be	be	AUX
ap-666	59	9	considered	consider	VERB
ap-666	59	10	for	for	ADP
ap-666	59	11	realization	realization	NOUN
ap-666	59	12	of	of	ADP
ap-666	59	13	individual	individual	ADJ
ap-666	59	14	matching	matching	NOUN
ap-666	59	15	.	.	PUNCT
ap-666	60	1	matching	matching	NOUN
ap-666	60	2	techniques	technique	NOUN
ap-666	60	3	may	may	AUX
ap-666	60	4	consider	consider	VERB
ap-666	60	5	the	the	DET
ap-666	60	6	instance	instance	NOUN
ap-666	60	7	data	datum	NOUN
ap-666	60	8	level	level	NOUN
ap-666	60	9	as	as	ADP
ap-666	60	10	in	in	ADP
ap-666	60	11	[	[	X
ap-666	60	12	17	17	NUM
ap-666	60	13	,	,	PUNCT
ap-666	60	14	38	38	NUM
ap-666	60	15	]	]	PUNCT
ap-666	60	16	or	or	CCONJ
ap-666	60	17	schema	schema	NOUN
ap-666	60	18	level	level	NOUN
ap-666	60	19	information	information	NOUN
ap-666	61	1	[	[	X
ap-666	61	2	12	12	NUM
ap-666	61	3	,	,	PUNCT
ap-666	61	4	15	15	NUM
ap-666	61	5	]	]	PUNCT
ap-666	61	6	.	.	PUNCT
ap-666	62	1	such	such	ADJ
ap-666	62	2	techniques	technique	NOUN
ap-666	62	3	can	can	AUX
ap-666	62	4	be	be	AUX
ap-666	62	5	performed	perform	VERB
ap-666	62	6	for	for	ADP
ap-666	62	7	one	one	NUM
ap-666	62	8	or	or	CCONJ
ap-666	62	9	more	more	ADJ
ap-666	62	10	elements	element	NOUN
ap-666	62	11	of	of	ADP
ap-666	62	12	one	one	NUM
ap-666	62	13	schema	schema	NOUN
ap-666	62	14	to	to	ADP
ap-666	62	15	one	one	NUM
ap-666	62	16	or	or	CCONJ
ap-666	62	17	more	more	ADJ
ap-666	62	18	elements	element	NOUN
ap-666	62	19	of	of	ADP
ap-666	62	20	the	the	DET
ap-666	62	21	other	other	ADJ
ap-666	62	22	.	.	PUNCT
ap-666	63	1	various	various	ADJ
ap-666	63	2	approaches	approach	NOUN
ap-666	63	3	have	have	AUX
ap-666	63	4	been	be	AUX
ap-666	63	5	developed	develop	VERB
ap-666	63	6	over	over	ADP
ap-666	63	7	the	the	DET
ap-666	63	8	years	year	NOUN
ap-666	63	9	that	that	PRON
ap-666	63	10	can	can	AUX
ap-666	63	11	be	be	AUX
ap-666	63	12	grouped	group	VERB
ap-666	63	13	into	into	ADP
ap-666	63	14	classes	class	NOUN
ap-666	63	15	,	,	PUNCT
ap-666	63	16	according	accord	VERB
ap-666	63	17	to	to	ADP
ap-666	63	18	the	the	DET
ap-666	63	19	kind	kind	NOUN
ap-666	63	20	of	of	ADP
ap-666	63	21	information	information	NOUN
ap-666	63	22	and	and	CCONJ
ap-666	63	23	the	the	DET
ap-666	63	24	actual	actual	ADJ
ap-666	63	25	idea	idea	NOUN
ap-666	63	26	used	use	VERB
ap-666	63	27	:	:	PUNCT
ap-666	63	28	�	�	PROPN
ap-666	63	29	manual	manual	NOUN
ap-666	63	30	approaches	approach	NOUN
ap-666	63	31	.	.	PUNCT
ap-666	64	1	the	the	DET
ap-666	64	2	mechanisms	mechanism	NOUN
ap-666	64	3	used	use	VERB
ap-666	64	4	in	in	ADP
ap-666	64	5	these	these	DET
ap-666	64	6	approaches	approach	NOUN
ap-666	64	7	involve	involve	VERB
ap-666	64	8	the	the	DET
ap-666	64	9	use	use	NOUN
ap-666	64	10	of	of	ADP
ap-666	64	11	an	an	DET
ap-666	64	12	expert	expert	NOUN
ap-666	64	13	to	to	PART
ap-666	64	14	solve	solve	VERB
ap-666	64	15	the	the	DET
ap-666	64	16	matching	matching	NOUN
ap-666	64	17	,	,	PUNCT
ap-666	64	18	for	for	ADP
ap-666	64	19	example	example	NOUN
ap-666	64	20	drag	drag	VERB
ap-666	64	21	and	and	CCONJ
ap-666	64	22	drop	drop	NOUN
ap-666	64	23	.	.	PUNCT
ap-666	65	1	�	�	NOUN
ap-666	65	2	schema	schema	NOUN
ap-666	65	3	based	base	VERB
ap-666	65	4	approaches	approach	NOUN
ap-666	65	5	.	.	PUNCT
ap-666	66	1	these	these	PRON
ap-666	66	2	are	be	AUX
ap-666	66	3	based	base	VERB
ap-666	66	4	on	on	ADP
ap-666	66	5	knowledge	knowledge	NOUN
ap-666	66	6	of	of	ADP
ap-666	66	7	the	the	DET
ap-666	66	8	internal	internal	ADJ
ap-666	66	9	structure	structure	NOUN
ap-666	66	10	of	of	ADP
ap-666	66	11	a	a	DET
ap-666	66	12	schema	schema	NOUN
ap-666	66	13	and	and	CCONJ
ap-666	66	14	its	its	PRON
ap-666	66	15	relation	relation	NOUN
ap-666	66	16	with	with	ADP
ap-666	66	17	other	other	ADJ
ap-666	66	18	schemas	schema	NOUN
ap-666	66	19	.	.	PUNCT
ap-666	67	1	�	�	PROPN
ap-666	67	2	data	datum	NOUN
ap-666	67	3	driven	drive	VERB
ap-666	67	4	approaches	approach	NOUN
ap-666	67	5	.	.	PUNCT
ap-666	68	1	here	here	ADV
ap-666	68	2	,	,	PUNCT
ap-666	68	3	the	the	DET
ap-666	68	4	similarities	similarity	NOUN
ap-666	68	5	are	be	AUX
ap-666	68	6	more	more	ADV
ap-666	68	7	likely	likely	ADJ
ap-666	68	8	to	to	PART
ap-666	68	9	be	be	AUX
ap-666	68	10	observed	observe	VERB
ap-666	68	11	in	in	ADP
ap-666	68	12	the	the	DET
ap-666	68	13	data	datum	NOUN
ap-666	68	14	than	than	ADP
ap-666	68	15	in	in	ADP
ap-666	68	16	the	the	DET
ap-666	68	17	schema	schema	NOUN
ap-666	68	18	.	.	PUNCT
ap-666	69	1	4	4	NUM
ap-666	69	2	schema	schema	NOUN
ap-666	69	3	integration	integration	NOUN
ap-666	69	4	schema	schema	NOUN
ap-666	69	5	integration	integration	NOUN
ap-666	69	6	is	be	AUX
ap-666	69	7	the	the	DET
ap-666	69	8	process	process	NOUN
ap-666	69	9	of	of	ADP
ap-666	69	10	combining	combine	VERB
ap-666	69	11	database	database	NOUN
ap-666	69	12	schemas	schema	NOUN
ap-666	69	13	into	into	ADP
ap-666	69	14	a	a	DET
ap-666	69	15	coherent	coherent	ADJ
ap-666	69	16	global	global	ADJ
ap-666	69	17	view	view	NOUN
ap-666	69	18	.	.	PUNCT
ap-666	70	1	schema	schema	NOUN
ap-666	70	2	integration	integration	NOUN
ap-666	70	3	is	be	AUX
ap-666	70	4	necessary	necessary	ADJ
ap-666	70	5	in	in	ADP
ap-666	70	6	order	order	NOUN
ap-666	70	7	to	to	PART
ap-666	70	8	reduce	reduce	VERB
ap-666	70	9	data	data	NOUN
ap-666	70	10	redundancy	redundancy	NOUN
ap-666	70	11	in	in	ADP
ap-666	70	12	heterogeneous	heterogeneous	ADJ
ap-666	70	13	database	database	NOUN
ap-666	70	14	systems	system	NOUN
ap-666	70	15	.	.	PUNCT
ap-666	71	1	it	it	PRON
ap-666	71	2	is	be	AUX
ap-666	71	3	often	often	ADV
ap-666	71	4	hard	hard	ADJ
ap-666	71	5	to	to	PART
ap-666	71	6	combine	combine	VERB
ap-666	71	7	different	different	ADJ
ap-666	71	8	database	database	NOUN
ap-666	71	9	schemas	schema	NOUN
ap-666	71	10	because	because	SCONJ
ap-666	71	11	of	of	ADP
ap-666	71	12	the	the	DET
ap-666	71	13	different	different	ADJ
ap-666	71	14	data	data	NOUN
ap-666	71	15	models	model	NOUN
ap-666	71	16	or	or	CCONJ
ap-666	71	17	structural	structural	ADJ
ap-666	71	18	differences	difference	NOUN
ap-666	71	19	in	in	ADP
ap-666	71	20	how	how	SCONJ
ap-666	71	21	the	the	DET
ap-666	71	22	data	datum	NOUN
ap-666	71	23	is	be	AUX
ap-666	71	24	represented	represent	VERB
ap-666	71	25	and	and	CCONJ
ap-666	71	26	stored	store	VERB
ap-666	71	27	.	.	PUNCT
ap-666	72	1	thus	thus	ADV
ap-666	72	2	,	,	PUNCT
ap-666	72	3	there	there	PRON
ap-666	72	4	are	be	VERB
ap-666	72	5	many	many	ADJ
ap-666	72	6	factors	factor	NOUN
ap-666	72	7	that	that	PRON
ap-666	72	8	may	may	AUX
ap-666	72	9	cause	cause	VERB
ap-666	72	10	schema	schema	NOUN
ap-666	72	11	diversity	diversity	NOUN
ap-666	72	12	[	[	X
ap-666	72	13	6	6	NUM
ap-666	72	14	]	]	X
ap-666	72	15	:	:	PUNCT
ap-666	72	16	�	�	PROPN
ap-666	72	17	different	different	ADJ
ap-666	72	18	user	user	NOUN
ap-666	72	19	or	or	CCONJ
ap-666	72	20	view	view	VERB
ap-666	72	21	perspectives	perspective	NOUN
ap-666	72	22	,	,	PUNCT
ap-666	72	23	�	�	PROPN
ap-666	72	24	equivalence	equivalence	NOUN
ap-666	72	25	among	among	ADP
ap-666	72	26	constructs	construct	NOUN
ap-666	72	27	of	of	ADP
ap-666	72	28	the	the	DET
ap-666	72	29	model	model	NOUN
ap-666	72	30	,	,	PUNCT
ap-666	72	31	�	�	PROPN
ap-666	72	32	incompatible	incompatible	ADJ
ap-666	72	33	design	design	NOUN
ap-666	72	34	specifications	specification	NOUN
ap-666	72	35	,	,	PUNCT
ap-666	72	36	�	�	PROPN
ap-666	72	37	common	common	ADJ
ap-666	72	38	concepts	concept	NOUN
ap-666	72	39	can	can	AUX
ap-666	72	40	be	be	AUX
ap-666	72	41	represented	represent	VERB
ap-666	72	42	by	by	ADP
ap-666	72	43	different	different	ADJ
ap-666	72	44	representations	representation	NOUN
ap-666	72	45	.	.	PUNCT
ap-666	73	1	there	there	PRON
ap-666	73	2	are	be	VERB
ap-666	73	3	several	several	ADJ
ap-666	73	4	features	feature	NOUN
ap-666	73	5	of	of	ADP
ap-666	73	6	schema	schema	NOUN
ap-666	73	7	integration	integration	NOUN
ap-666	73	8	that	that	PRON
ap-666	73	9	make	make	VERB
ap-666	73	10	it	it	PRON
ap-666	73	11	difficult	difficult	ADJ
ap-666	73	12	.	.	PUNCT
ap-666	74	1	the	the	DET
ap-666	74	2	key	key	ADJ
ap-666	74	3	issue	issue	NOUN
ap-666	74	4	is	be	AUX
ap-666	74	5	resolution	resolution	NOUN
ap-666	74	6	of	of	ADP
ap-666	74	7	conflicts	conflict	NOUN
ap-666	74	8	among	among	ADP
ap-666	74	9	the	the	DET
ap-666	74	10	schemas	schema	NOUN
ap-666	74	11	.	.	PUNCT
ap-666	75	1	a	a	DET
ap-666	75	2	schema	schema	NOUN
ap-666	75	3	integration	integration	NOUN
ap-666	75	4	method	method	NOUN
ap-666	75	5	can	can	AUX
ap-666	75	6	be	be	AUX
ap-666	75	7	viewed	view	VERB
ap-666	75	8	as	as	ADP
ap-666	75	9	a	a	DET
ap-666	75	10	set	set	NOUN
ap-666	75	11	of	of	ADP
ap-666	75	12	steps	step	NOUN
ap-666	75	13	to	to	PART
ap-666	75	14	identify	identify	VERB
ap-666	75	15	and	and	CCONJ
ap-666	75	16	resolve	resolve	VERB
ap-666	75	17	conflicts	conflict	NOUN
ap-666	75	18	.	.	PUNCT
ap-666	76	1	schema	schema	NOUN
ap-666	76	2	conflicts	conflict	NOUN
ap-666	76	3	represent	represent	VERB
ap-666	76	4	differences	difference	NOUN
ap-666	76	5	in	in	ADP
ap-666	76	6	the	the	DET
ap-666	76	7	semantics	semantic	NOUN
ap-666	76	8	that	that	PRON
ap-666	76	9	different	different	ADJ
ap-666	76	10	schema	schema	NOUN
ap-666	76	11	designers	designer	NOUN
ap-666	76	12	associate	associate	VERB
ap-666	76	13	with	with	ADP
ap-666	76	14	syntactic	syntactic	ADJ
ap-666	76	15	representation	representation	NOUN
ap-666	76	16	in	in	ADP
ap-666	76	17	the	the	DET
ap-666	76	18	data	data	NOUN
ap-666	76	19	definition	definition	NOUN
ap-666	76	20	language	language	NOUN
ap-666	76	21	.	.	PUNCT
ap-666	77	1	even	even	ADV
ap-666	77	2	when	when	SCONJ
ap-666	77	3	the	the	DET
ap-666	77	4	two	two	NUM
ap-666	77	5	schemas	schema	NOUN
ap-666	77	6	are	be	AUX
ap-666	77	7	in	in	ADP
ap-666	77	8	the	the	DET
ap-666	77	9	same	same	ADJ
ap-666	77	10	data	datum	NOUN
ap-666	77	11	model	model	NOUN
ap-666	77	12	,	,	PUNCT
ap-666	77	13	conflicts	conflict	NOUN
ap-666	77	14	like	like	ADP
ap-666	77	15	naming	naming	NOUN
ap-666	77	16	and	and	CCONJ
ap-666	77	17	structural	structural	ADJ
ap-666	77	18	may	may	AUX
ap-666	77	19	arise	arise	VERB
ap-666	77	20	.	.	PUNCT
ap-666	78	1	naming	name	VERB
ap-666	78	2	conflicts	conflict	NOUN
ap-666	78	3	occur	occur	VERB
ap-666	78	4	when	when	SCONJ
ap-666	78	5	the	the	DET
ap-666	78	6	same	same	ADJ
ap-666	78	7	data	datum	NOUN
ap-666	78	8	is	be	AUX
ap-666	78	9	stored	store	VERB
ap-666	78	10	in	in	ADP
ap-666	78	11	multiple	multiple	ADJ
ap-666	78	12	databases	database	NOUN
ap-666	78	13	,	,	PUNCT
ap-666	78	14	but	but	CCONJ
ap-666	78	15	is	be	AUX
ap-666	78	16	referred	refer	VERB
ap-666	78	17	to	to	ADP
ap-666	78	18	by	by	ADP
ap-666	78	19	different	different	ADJ
ap-666	78	20	names	name	NOUN
ap-666	78	21	.	.	PUNCT
ap-666	79	1	naming	name	VERB
ap-666	79	2	conflicts	conflict	NOUN
ap-666	79	3	arise	arise	VERB
ap-666	79	4	when	when	SCONJ
ap-666	79	5	names	name	NOUN
ap-666	79	6	are	be	AUX
ap-666	79	7	homonyms	homonym	NOUN
ap-666	79	8	and	and	CCONJ
ap-666	79	9	when	when	SCONJ
ap-666	79	10	names	name	NOUN
ap-666	79	11	are	be	AUX
ap-666	79	12	synonyms	synonym	NOUN
ap-666	79	13	.	.	PUNCT
ap-666	80	1	the	the	DET
ap-666	80	2	homonym	homonym	ADJ
ap-666	80	3	naming	naming	NOUN
ap-666	80	4	problem	problem	NOUN
ap-666	80	5	is	be	AUX
ap-666	80	6	when	when	SCONJ
ap-666	80	7	the	the	DET
ap-666	80	8	same	same	ADJ
ap-666	80	9	name	name	NOUN
ap-666	80	10	is	be	AUX
ap-666	80	11	used	use	VERB
ap-666	80	12	for	for	ADP
ap-666	80	13	two	two	NUM
ap-666	80	14	different	different	ADJ
ap-666	80	15	concepts	concept	NOUN
ap-666	80	16	.	.	PUNCT
ap-666	81	1	the	the	DET
ap-666	81	2	synonym	synonym	NOUN
ap-666	81	3	naming	naming	NOUN
ap-666	81	4	problem	problem	NOUN
ap-666	81	5	occurs	occur	VERB
ap-666	81	6	when	when	SCONJ
ap-666	81	7	the	the	DET
ap-666	81	8	same	same	ADJ
ap-666	81	9	concept	concept	NOUN
ap-666	81	10	is	be	AUX
ap-666	81	11	described	describe	VERB
ap-666	81	12	using	use	VERB
ap-666	81	13	two	two	NUM
ap-666	81	14	or	or	CCONJ
ap-666	81	15	more	more	ADV
ap-666	81	16	different	different	ADJ
ap-666	81	17	names	name	NOUN
ap-666	81	18	.	.	PUNCT
ap-666	82	1	structural	structural	ADJ
ap-666	82	2	conflicts	conflict	NOUN
ap-666	82	3	arise	arise	VERB
ap-666	82	4	when	when	SCONJ
ap-666	82	5	data	datum	NOUN
ap-666	82	6	is	be	AUX
ap-666	82	7	organized	organize	VERB
ap-666	82	8	using	use	VERB
ap-666	82	9	different	different	ADJ
ap-666	82	10	model	model	NOUN
ap-666	82	11	constructs	construct	NOUN
ap-666	82	12	or	or	CCONJ
ap-666	82	13	integrity	integrity	NOUN
ap-666	82	14	constraints	constraint	NOUN
ap-666	82	15	.	.	PUNCT
ap-666	83	1	some	some	DET
ap-666	83	2	common	common	ADJ
ap-666	83	3	structural	structural	ADJ
ap-666	83	4	conflicts	conflict	NOUN
ap-666	83	5	are	be	AUX
ap-666	83	6	:	:	PUNCT
ap-666	83	7	�	�	NOUN
ap-666	83	8	type	type	NOUN
ap-666	83	9	conflicts	conflict	NOUN
ap-666	83	10	–	–	PUNCT
ap-666	83	11	using	use	VERB
ap-666	83	12	different	different	ADJ
ap-666	83	13	model	model	NOUN
ap-666	83	14	constructs	construct	NOUN
ap-666	83	15	to	to	PART
ap-666	83	16	represent	represent	VERB
ap-666	83	17	the	the	DET
ap-666	83	18	same	same	ADJ
ap-666	83	19	data	data	NOUN
ap-666	83	20	,	,	PUNCT
ap-666	83	21	�	�	NOUN
ap-666	83	22	dependency	dependency	NOUN
ap-666	83	23	conflicts	conflict	NOUN
ap-666	83	24	–	–	PUNCT
ap-666	83	25	a	a	DET
ap-666	83	26	group	group	NOUN
ap-666	83	27	of	of	ADP
ap-666	83	28	concepts	concept	NOUN
ap-666	83	29	related	relate	VERB
ap-666	83	30	differently	differently	ADV
ap-666	83	31	in	in	ADP
ap-666	83	32	different	different	ADJ
ap-666	83	33	schemas	schema	NOUN
ap-666	83	34	(	(	PUNCT
ap-666	83	35	e.g.	e.g.	ADV
ap-666	83	36	1	1	NUM
ap-666	83	37	-	-	PUNCT
ap-666	83	38	to-1	to-1	NUM
ap-666	83	39	participation	participation	NOUN
ap-666	83	40	versus	versus	ADP
ap-666	83	41	1	1	NUM
ap-666	83	42	-	-	PUNCT
ap-666	83	43	to	to	ADP
ap-666	83	44	-	-	PUNCT
ap-666	83	45	n	n	PRON
ap-666	83	46	participation	participation	NOUN
ap-666	83	47	)	)	PUNCT
ap-666	83	48	,	,	PUNCT
ap-666	83	49	�	�	PROPN
ap-666	83	50	key	key	ADJ
ap-666	83	51	conflicts	conflict	NOUN
ap-666	83	52	–	–	PUNCT
ap-666	83	53	a	a	DET
ap-666	83	54	different	different	ADJ
ap-666	83	55	key	key	NOUN
ap-666	83	56	for	for	ADP
ap-666	83	57	the	the	DET
ap-666	83	58	same	same	ADJ
ap-666	83	59	entity	entity	NOUN
ap-666	83	60	,	,	PUNCT
ap-666	83	61	�	�	PROPN
ap-666	83	62	interschema	interschema	NOUN
ap-666	83	63	properties	property	NOUN
ap-666	83	64	–	–	PUNCT
ap-666	83	65	schema	schema	NOUN
ap-666	83	66	properties	property	NOUN
ap-666	83	67	that	that	PRON
ap-666	83	68	only	only	ADV
ap-666	83	69	arise	arise	VERB
ap-666	83	70	when	when	SCONJ
ap-666	83	71	two	two	NUM
ap-666	83	72	or	or	CCONJ
ap-666	83	73	more	more	ADJ
ap-666	83	74	schemas	schema	NOUN
ap-666	83	75	are	be	AUX
ap-666	83	76	combined	combine	VERB
ap-666	83	77	.	.	PUNCT
ap-666	84	1	the	the	DET
ap-666	84	2	schema	schema	NOUN
ap-666	84	3	integration	integration	NOUN
ap-666	84	4	process	process	NOUN
ap-666	84	5	involves	involve	VERB
ap-666	84	6	three	three	NUM
ap-666	84	7	major	major	ADJ
ap-666	84	8	steps	step	NOUN
ap-666	84	9	:	:	PUNCT
ap-666	84	10	1	1	X
ap-666	84	11	.	.	X
ap-666	84	12	pre	pre	ADJ
ap-666	84	13	-	-	NOUN
ap-666	84	14	integration	integration	NOUN
ap-666	84	15	,	,	PUNCT
ap-666	84	16	a	a	DET
ap-666	84	17	step	step	NOUN
ap-666	84	18	in	in	ADP
ap-666	84	19	which	which	PRON
ap-666	84	20	input	input	NOUN
ap-666	84	21	schemas	schema	NOUN
ap-666	84	22	are	be	AUX
ap-666	84	23	re	re	VERB
ap-666	84	24	-	-	VERB
ap-666	84	25	arranged	arrange	VERB
ap-666	84	26	in	in	ADP
ap-666	84	27	various	various	ADJ
ap-666	84	28	ways	way	NOUN
ap-666	84	29	to	to	PART
ap-666	84	30	make	make	VERB
ap-666	84	31	them	they	PRON
ap-666	84	32	more	more	ADV
ap-666	84	33	homogeneous	homogeneous	ADJ
ap-666	84	34	(	(	PUNCT
ap-666	84	35	both	both	CCONJ
ap-666	84	36	syntactically	syntactically	ADV
ap-666	84	37	and	and	CCONJ
ap-666	84	38	semantically	semantically	ADV
ap-666	84	39	)	)	PUNCT
ap-666	84	40	.	.	PUNCT
ap-666	85	1	2	2	X
ap-666	85	2	.	.	X
ap-666	85	3	correspondence	correspondence	NOUN
ap-666	85	4	identification	identification	NOUN
ap-666	85	5	,	,	PUNCT
ap-666	85	6	a	a	DET
ap-666	85	7	step	step	NOUN
ap-666	85	8	devoted	devote	VERB
ap-666	85	9	to	to	ADP
ap-666	85	10	the	the	DET
ap-666	85	11	identification	identification	NOUN
ap-666	85	12	of	of	ADP
ap-666	85	13	related	related	ADJ
ap-666	85	14	items	item	NOUN
ap-666	85	15	in	in	ADP
ap-666	85	16	the	the	DET
ap-666	85	17	input	input	NOUN
ap-666	85	18	schemas	schema	NOUN
ap-666	85	19	and	and	CCONJ
ap-666	85	20	the	the	DET
ap-666	85	21	precise	precise	ADJ
ap-666	85	22	description	description	NOUN
ap-666	85	23	of	of	ADP
ap-666	85	24	the	the	DET
ap-666	85	25	relationships	relationship	NOUN
ap-666	85	26	these	these	DET
ap-666	85	27	inter	inter	NOUN
ap-666	85	28	-	-	ADJ
ap-666	85	29	schemas	schema	NOUN
ap-666	85	30	.	.	PUNCT
ap-666	86	1	3	3	X
ap-666	86	2	.	.	X
ap-666	86	3	the	the	DET
ap-666	86	4	final	final	ADJ
ap-666	86	5	step	step	NOUN
ap-666	86	6	,	,	PUNCT
ap-666	86	7	which	which	PRON
ap-666	86	8	actually	actually	ADV
ap-666	86	9	unifies	unify	VERB
ap-666	86	10	the	the	DET
ap-666	86	11	corresponding	corresponding	ADJ
ap-666	86	12	items	item	NOUN
ap-666	86	13	into	into	ADP
ap-666	86	14	an	an	DET
ap-666	86	15	integrated	integrate	VERB
ap-666	86	16	schema	schema	NOUN
ap-666	86	17	and	and	CCONJ
ap-666	86	18	produces	produce	VERB
ap-666	86	19	the	the	DET
ap-666	86	20	associated	associated	ADJ
ap-666	86	21	mappings	mapping	NOUN
ap-666	86	22	.	.	PUNCT
ap-666	87	1	a	a	DET
ap-666	87	2	robust	robust	ADJ
ap-666	87	3	integration	integration	NOUN
ap-666	87	4	methodology	methodology	NOUN
ap-666	87	5	must	must	AUX
ap-666	87	6	be	be	AUX
ap-666	87	7	able	able	ADJ
ap-666	87	8	to	to	PART
ap-666	87	9	handle	handle	VERB
ap-666	87	10	both	both	CCONJ
ap-666	87	11	naming	name	VERB
ap-666	87	12	and	and	CCONJ
ap-666	87	13	structural	structural	ADJ
ap-666	87	14	conflicts	conflict	NOUN
ap-666	87	15	.	.	PUNCT
ap-666	88	1	there	there	PRON
ap-666	88	2	have	have	AUX
ap-666	88	3	been	be	AUX
ap-666	88	4	various	various	ADJ
ap-666	88	5	attempts	attempt	NOUN
ap-666	88	6	from	from	ADP
ap-666	88	7	different	different	ADJ
ap-666	88	8	perspectives	perspective	NOUN
ap-666	88	9	.	.	PUNCT
ap-666	89	1	the	the	DET
ap-666	89	2	work	work	NOUN
ap-666	89	3	[	[	X
ap-666	89	4	25	25	NUM
ap-666	89	5	]	]	PUNCT
ap-666	89	6	broadly	broadly	ADV
ap-666	89	7	classifies	classify	VERB
ap-666	89	8	these	these	DET
ap-666	89	9	attempts	attempt	NOUN
ap-666	89	10	into	into	ADP
ap-666	89	11	two	two	NUM
ap-666	89	12	categories	category	NOUN
ap-666	89	13	:	:	PUNCT
ap-666	89	14	�	�	PROPN
ap-666	89	15	structural	structural	ADJ
ap-666	89	16	approaches	approach	NOUN
ap-666	89	17	–	–	PUNCT
ap-666	89	18	also	also	ADV
ap-666	89	19	called	call	VERB
ap-666	89	20	the	the	DET
ap-666	89	21	common	common	ADJ
ap-666	89	22	data	datum	NOUN
ap-666	89	23	model	model	NOUN
ap-666	89	24	approach	approach	NOUN
ap-666	89	25	.	.	PUNCT
ap-666	90	1	in	in	ADP
ap-666	90	2	this	this	PRON
ap-666	90	3	,	,	PUNCT
ap-666	90	4	the	the	DET
ap-666	90	5	participating	participate	VERB
ap-666	90	6	databases	database	NOUN
ap-666	90	7	are	be	AUX
ap-666	90	8	mapped	map	VERB
ap-666	90	9	to	to	ADP
ap-666	90	10	a	a	DET
ap-666	90	11	common	common	ADJ
ap-666	90	12	data	datum	NOUN
ap-666	90	13	model	model	NOUN
ap-666	90	14	.	.	PUNCT
ap-666	91	1	the	the	DET
ap-666	91	2	problem	problem	NOUN
ap-666	91	3	with	with	ADP
ap-666	91	4	such	such	ADJ
ap-666	91	5	systems	system	NOUN
ap-666	91	6	is	be	AUX
ap-666	91	7	the	the	DET
ap-666	91	8	amount	amount	NOUN
ap-666	91	9	of	of	ADP
ap-666	91	10	human	human	ADJ
ap-666	91	11	participation	participation	NOUN
ap-666	91	12	required	require	VERB
ap-666	91	13	.	.	PUNCT
ap-666	92	1	human	human	ADJ
ap-666	92	2	intervention	intervention	NOUN
ap-666	92	3	is	be	AUX
ap-666	92	4	required	require	VERB
ap-666	92	5	to	to	PART
ap-666	92	6	qualify	qualify	VERB
ap-666	92	7	the	the	DET
ap-666	92	8	mappings	mapping	NOUN
ap-666	92	9	between	between	ADP
ap-666	92	10	the	the	DET
ap-666	92	11	individual	individual	ADJ
ap-666	92	12	databases	database	NOUN
ap-666	92	13	and	and	CCONJ
ap-666	92	14	the	the	DET
ap-666	92	15	common	common	ADJ
ap-666	92	16	model	model	NOUN
ap-666	92	17	.	.	PUNCT
ap-666	93	1	�	�	PROPN
ap-666	93	2	semantic	semantic	ADJ
ap-666	93	3	approaches	approach	NOUN
ap-666	93	4	–	–	PUNCT
ap-666	93	5	these	these	PRON
ap-666	93	6	use	use	VERB
ap-666	93	7	a	a	DET
ap-666	93	8	higher	high	ADJ
ap-666	93	9	order	order	NOUN
ap-666	93	10	language	language	NOUN
ap-666	93	11	that	that	PRON
ap-666	93	12	can	can	AUX
ap-666	93	13	express	express	VERB
ap-666	93	14	information	information	NOUN
ap-666	93	15	ranging	range	VERB
ap-666	93	16	over	over	ADP
ap-666	93	17	individual	individual	ADJ
ap-666	93	18	databases	database	NOUN
ap-666	93	19	.	.	PUNCT
ap-666	94	1	ontology	ontology	NOUN
ap-666	94	2	based	base	VERB
ap-666	94	3	integration	integration	NOUN
ap-666	94	4	approaches	approach	NOUN
ap-666	94	5	belong	belong	VERB
ap-666	94	6	to	to	ADP
ap-666	94	7	this	this	DET
ap-666	94	8	category	category	NOUN
ap-666	94	9	.	.	PUNCT
ap-666	95	1	many	many	ADJ
ap-666	95	2	research	research	NOUN
ap-666	95	3	projects	project	NOUN
ap-666	95	4	(	(	PUNCT
ap-666	95	5	shoe	shoe	NOUN
ap-666	95	6	[	[	X
ap-666	95	7	21	21	NUM
ap-666	95	8	]	]	PUNCT
ap-666	95	9	,	,	PUNCT
ap-666	95	10	ontobroker	ontobroker	X
ap-666	96	1	[	[	X
ap-666	96	2	7	7	NUM
ap-666	96	3	]	]	PUNCT
ap-666	96	4	,	,	PUNCT
ap-666	96	5	observer	observer	NOUN
ap-666	96	6	[	[	X
ap-666	96	7	19	19	NUM
ap-666	96	8	]	]	PUNCT
ap-666	96	9	)	)	PUNCT
ap-666	96	10	and	and	CCONJ
ap-666	96	11	others	other	NOUN
ap-666	96	12	use	use	VERB
ap-666	96	13	ontologies	ontology	NOUN
ap-666	96	14	to	to	PART
ap-666	96	15	create	create	VERB
ap-666	96	16	a	a	DET
ap-666	96	17	global	global	ADJ
ap-666	96	18	schema	schema	NOUN
ap-666	96	19	[	[	X
ap-666	96	20	20	20	NUM
ap-666	96	21	,	,	PUNCT
ap-666	96	22	30	30	NUM
ap-666	96	23	]	]	PUNCT
ap-666	96	24	.	.	PUNCT
ap-666	97	1	in	in	ADP
ap-666	97	2	the	the	DET
ap-666	97	3	past	past	ADJ
ap-666	97	4	several	several	ADJ
ap-666	97	5	years	year	NOUN
ap-666	97	6	,	,	PUNCT
ap-666	97	7	many	many	ADJ
ap-666	97	8	systems	system	NOUN
ap-666	97	9	have	have	AUX
ap-666	97	10	been	be	AUX
ap-666	97	11	developed	develop	VERB
ap-666	97	12	in	in	ADP
ap-666	97	13	various	various	ADJ
ap-666	97	14	research	research	NOUN
ap-666	97	15	projects	project	NOUN
ap-666	97	16	on	on	ADP
ap-666	97	17	data	datum	NOUN
ap-666	97	18	integration	integration	NOUN
ap-666	97	19	using	use	VERB
ap-666	97	20	the	the	DET
ap-666	97	21	techniques	technique	NOUN
ap-666	97	22	mentioned	mention	VERB
ap-666	97	23	above	above	ADV
ap-666	97	24	.	.	PUNCT
ap-666	98	1	here	here	ADV
ap-666	98	2	are	be	AUX
ap-666	98	3	some	some	PRON
ap-666	98	4	of	of	ADP
ap-666	98	5	the	the	DET
ap-666	98	6	more	more	ADV
ap-666	98	7	prominent	prominent	ADJ
ap-666	98	8	representative	representative	ADJ
ap-666	98	9	systems	system	NOUN
ap-666	98	10	:	:	PUNCT
ap-666	98	11	�	�	PROPN
ap-666	98	12	pegasus	pegasus	PROPN
ap-666	98	13	[	[	X
ap-666	98	14	1	1	X
ap-666	98	15	]	]	PUNCT
ap-666	98	16	takes	take	VERB
ap-666	98	17	advantage	advantage	NOUN
ap-666	98	18	of	of	ADP
ap-666	98	19	object	object	NOUN
ap-666	98	20	-	-	PUNCT
ap-666	98	21	oriented	orient	VERB
ap-666	98	22	data	datum	NOUN
ap-666	98	23	modelling	modelling	NOUN
ap-666	98	24	and	and	CCONJ
ap-666	98	25	programming	programming	NOUN
ap-666	98	26	capabilities	capability	NOUN
ap-666	98	27	.	.	PUNCT
ap-666	99	1	it	it	PRON
ap-666	99	2	allows	allow	VERB
ap-666	99	3	the	the	DET
ap-666	99	4	user	user	NOUN
ap-666	99	5	to	to	PART
ap-666	99	6	access	access	VERB
ap-666	99	7	and	and	CCONJ
ap-666	99	8	to	to	PART
ap-666	99	9	manipulate	manipulate	VERB
ap-666	99	10	multiple	multiple	ADJ
ap-666	99	11	autonomous	autonomous	ADJ
ap-666	99	12	hetero	hetero	NOUN
ap-666	99	13	©	©	PROPN
ap-666	99	14	czech	czech	PROPN
ap-666	99	15	technical	technical	PROPN
ap-666	99	16	university	university	PROPN
ap-666	99	17	publishing	publishing	NOUN
ap-666	99	18	house	house	NOUN
ap-666	99	19	e	e	PROPN
ap-666	99	20	http://ctn.cvut.cz/ap/	http://ctn.cvut.cz/ap/	PROPN
ap-666	99	21	25	25	NUM
ap-666	99	22	czech	czech	PROPN
ap-666	99	23	technical	technical	PROPN
ap-666	99	24	university	university	PROPN
ap-666	99	25	in	in	ADP
ap-666	99	26	prague	prague	PROPN
ap-666	99	27	acta	acta	PROPN
ap-666	99	28	polytechnica	polytechnica	PROPN
ap-666	99	29	vol	vol	NOUN
ap-666	99	30	.	.	PROPN
ap-666	100	1	45	45	NUM
ap-666	100	2	no	no	NOUN
ap-666	100	3	.	.	PUNCT
ap-666	101	1	1/2005	1/2005	NUM
ap-666	101	2	geneous	geneous	ADJ
ap-666	101	3	distributed	distribute	VERB
ap-666	101	4	object	object	NOUN
ap-666	101	5	-	-	PUNCT
ap-666	101	6	oriented	orient	VERB
ap-666	101	7	relational	relational	ADJ
ap-666	101	8	and	and	CCONJ
ap-666	101	9	other	other	ADJ
ap-666	101	10	information	information	NOUN
ap-666	101	11	systems	system	NOUN
ap-666	101	12	through	through	ADP
ap-666	101	13	a	a	DET
ap-666	101	14	uniform	uniform	ADJ
ap-666	101	15	interface	interface	NOUN
ap-666	101	16	.	.	PUNCT
ap-666	102	1	�	�	PROPN
ap-666	102	2	mermaid	mermaid	PROPN
ap-666	102	3	[	[	X
ap-666	102	4	36	36	NUM
ap-666	102	5	]	]	PUNCT
ap-666	102	6	uses	use	VERB
ap-666	102	7	a	a	DET
ap-666	102	8	relational	relational	ADJ
ap-666	102	9	common	common	ADJ
ap-666	102	10	data	datum	NOUN
ap-666	102	11	model	model	NOUN
ap-666	102	12	and	and	CCONJ
ap-666	102	13	allows	allow	VERB
ap-666	102	14	only	only	ADV
ap-666	102	15	relational	relational	ADJ
ap-666	102	16	schema	schema	NOUN
ap-666	102	17	integration	integration	NOUN
ap-666	102	18	.	.	PUNCT
ap-666	103	1	�	�	PROPN
ap-666	103	2	clio	clio	PROPN
ap-666	103	3	[	[	X
ap-666	103	4	34	34	NUM
ap-666	103	5	]	]	PUNCT
ap-666	103	6	was	be	AUX
ap-666	103	7	developed	develop	VERB
ap-666	103	8	by	by	ADP
ap-666	103	9	ibm	ibm	PROPN
ap-666	103	10	around	around	ADP
ap-666	103	11	2000	2000	NUM
ap-666	103	12	.	.	PUNCT
ap-666	104	1	it	it	PRON
ap-666	104	2	involves	involve	VERB
ap-666	104	3	transforming	transform	VERB
ap-666	104	4	legacy	legacy	NOUN
ap-666	104	5	data	datum	NOUN
ap-666	104	6	into	into	ADP
ap-666	104	7	a	a	DET
ap-666	104	8	new	new	ADJ
ap-666	104	9	target	target	NOUN
ap-666	104	10	schema	schema	NOUN
ap-666	104	11	.	.	PUNCT
ap-666	105	1	clio	clio	ADJ
ap-666	105	2	introduces	introduce	NOUN
ap-666	105	3	an	an	DET
ap-666	105	4	interactive	interactive	ADJ
ap-666	105	5	schema	schema	NOUN
ap-666	105	6	mapping	mapping	NOUN
ap-666	105	7	paradigm	paradigm	NOUN
ap-666	105	8	,	,	PUNCT
ap-666	105	9	based	base	VERB
ap-666	105	10	on	on	ADP
ap-666	105	11	value	value	NOUN
ap-666	105	12	correspondences	correspondence	NOUN
ap-666	105	13	.	.	PUNCT
ap-666	106	1	�	�	PROPN
ap-666	106	2	garlic	garlic	PROPN
ap-666	106	3	[	[	X
ap-666	106	4	11	11	NUM
ap-666	106	5	,	,	PUNCT
ap-666	106	6	18	18	NUM
ap-666	106	7	]	]	PUNCT
ap-666	106	8	uses	use	VERB
ap-666	106	9	an	an	DET
ap-666	106	10	odmg-93	odmg-93	PROPN
ap-666	106	11	based	base	VERB
ap-666	106	12	object	object	NOUN
ap-666	106	13	oriented	orient	VERB
ap-666	106	14	model	model	NOUN
ap-666	106	15	.	.	PUNCT
ap-666	107	1	it	it	PRON
ap-666	107	2	extends	extend	VERB
ap-666	107	3	odmg	odmg	NOUN
ap-666	107	4	to	to	PART
ap-666	107	5	allow	allow	VERB
ap-666	107	6	modelling	modelling	NOUN
ap-666	107	7	of	of	ADP
ap-666	107	8	data	datum	NOUN
ap-666	107	9	items	item	NOUN
ap-666	107	10	in	in	ADP
ap-666	107	11	the	the	DET
ap-666	107	12	case	case	NOUN
ap-666	107	13	of	of	ADP
ap-666	107	14	a	a	DET
ap-666	107	15	relational	relational	ADJ
ap-666	107	16	schema	schema	NOUN
ap-666	107	17	with	with	ADP
ap-666	107	18	weak	weak	ADJ
ap-666	107	19	entity	entity	NOUN
ap-666	107	20	.	.	PUNCT
ap-666	108	1	�	�	PROPN
ap-666	108	2	tsimmis	tsimmis	PROPN
ap-666	109	1	[	[	X
ap-666	109	2	13	13	NUM
ap-666	109	3	,	,	PUNCT
ap-666	109	4	37	37	NUM
ap-666	109	5	]	]	PUNCT
ap-666	109	6	and	and	CCONJ
ap-666	109	7	medmaker	medmaker	NOUN
ap-666	109	8	[	[	X
ap-666	109	9	31	31	NUM
ap-666	109	10	]	]	PUNCT
ap-666	109	11	were	be	AUX
ap-666	109	12	developed	develop	VERB
ap-666	109	13	at	at	ADP
ap-666	109	14	stanford	stanford	PROPN
ap-666	109	15	around	around	ADP
ap-666	109	16	1995	1995	NUM
ap-666	109	17	.	.	PUNCT
ap-666	110	1	they	they	PRON
ap-666	110	2	use	use	VERB
ap-666	110	3	the	the	DET
ap-666	110	4	object	object	NOUN
ap-666	110	5	exchange	exchange	NOUN
ap-666	110	6	model	model	NOUN
ap-666	110	7	(	(	PUNCT
ap-666	110	8	oem	oem	PROPN
ap-666	110	9	)	)	PUNCT
ap-666	111	1	[	[	X
ap-666	111	2	32	32	NUM
ap-666	111	3	]	]	PUNCT
ap-666	111	4	as	as	ADP
ap-666	111	5	a	a	DET
ap-666	111	6	common	common	ADJ
ap-666	111	7	data	datum	NOUN
ap-666	111	8	model	model	NOUN
ap-666	111	9	.	.	PUNCT
ap-666	112	1	oem	oem	PROPN
ap-666	112	2	allows	allow	VERB
ap-666	112	3	irregularity	irregularity	NOUN
ap-666	112	4	in	in	ADP
ap-666	112	5	data	datum	NOUN
ap-666	112	6	.	.	PUNCT
ap-666	113	1	the	the	DET
ap-666	113	2	main	main	ADJ
ap-666	113	3	focus	focus	NOUN
ap-666	113	4	is	be	AUX
ap-666	113	5	to	to	PART
ap-666	113	6	generate	generate	VERB
ap-666	113	7	mediators	mediator	NOUN
ap-666	113	8	and	and	CCONJ
ap-666	113	9	wrappers	wrapper	NOUN
ap-666	113	10	based	base	VERB
ap-666	113	11	on	on	ADP
ap-666	113	12	application	application	NOUN
ap-666	113	13	specification	specification	NOUN
ap-666	113	14	.	.	PUNCT
ap-666	114	1	�	�	PROPN
ap-666	114	2	mix	mix	VERB
ap-666	114	3	[	[	X
ap-666	114	4	8	8	NUM
ap-666	114	5	,	,	PUNCT
ap-666	114	6	3	3	NUM
ap-666	114	7	]	]	PUNCT
ap-666	114	8	,	,	PUNCT
ap-666	114	9	a	a	DET
ap-666	114	10	successor	successor	NOUN
ap-666	114	11	of	of	ADP
ap-666	114	12	tsimmis	tsimmis	NOUN
ap-666	114	13	,	,	PUNCT
ap-666	114	14	uses	use	VERB
ap-666	114	15	xml	xml	NOUN
ap-666	114	16	to	to	PART
ap-666	114	17	provide	provide	VERB
ap-666	114	18	the	the	DET
ap-666	114	19	user	user	NOUN
ap-666	114	20	with	with	ADP
ap-666	114	21	an	an	DET
ap-666	114	22	integrated	integrated	ADJ
ap-666	114	23	view	view	NOUN
ap-666	114	24	of	of	ADP
ap-666	114	25	the	the	DET
ap-666	114	26	underlying	underlie	VERB
ap-666	114	27	database	database	NOUN
ap-666	114	28	systems	system	NOUN
ap-666	114	29	.	.	PUNCT
ap-666	115	1	it	it	PRON
ap-666	115	2	provides	provide	VERB
ap-666	115	3	a	a	DET
ap-666	115	4	query	query	NOUN
ap-666	115	5	/	/	SYM
ap-666	115	6	browsing	browse	VERB
ap-666	115	7	interface	interface	NOUN
ap-666	115	8	called	call	VERB
ap-666	115	9	blended	blended	ADJ
ap-666	115	10	browsing	browsing	NOUN
ap-666	115	11	and	and	CCONJ
ap-666	115	12	querying	query	VERB
ap-666	115	13	.	.	PUNCT
ap-666	116	1	these	these	PRON
ap-666	116	2	were	be	AUX
ap-666	116	3	the	the	DET
ap-666	116	4	prominent	prominent	ADJ
ap-666	116	5	techniques	technique	NOUN
ap-666	116	6	in	in	ADP
ap-666	116	7	the	the	DET
ap-666	116	8	structuring	structuring	NOUN
ap-666	116	9	approach	approach	NOUN
ap-666	116	10	.	.	PUNCT
ap-666	117	1	there	there	PRON
ap-666	117	2	are	be	VERB
ap-666	117	3	many	many	ADJ
ap-666	117	4	other	other	ADJ
ap-666	117	5	techniques	technique	NOUN
ap-666	117	6	which	which	PRON
ap-666	117	7	use	use	VERB
ap-666	117	8	ontology	ontology	NOUN
ap-666	117	9	as	as	ADP
ap-666	117	10	a	a	DET
ap-666	117	11	common	common	ADJ
ap-666	117	12	data	data	NOUN
ap-666	117	13	model	model	NOUN
ap-666	117	14	or	or	CCONJ
ap-666	117	15	use	use	VERB
ap-666	117	16	ontologies	ontology	NOUN
ap-666	117	17	to	to	PART
ap-666	117	18	translate	translate	VERB
ap-666	117	19	queries	query	NOUN
ap-666	117	20	over	over	ADP
ap-666	117	21	component	component	NOUN
ap-666	117	22	databases	database	NOUN
ap-666	117	23	.	.	PUNCT
ap-666	118	1	below	below	ADP
ap-666	118	2	we	we	PRON
ap-666	118	3	present	present	VERB
ap-666	118	4	some	some	PRON
ap-666	118	5	of	of	ADP
ap-666	118	6	these	these	DET
ap-666	118	7	techniques	technique	NOUN
ap-666	118	8	:	:	PUNCT
ap-666	118	9	�	�	PROPN
ap-666	118	10	information	information	NOUN
ap-666	118	11	manifold	manifold	ADJ
ap-666	118	12	[	[	X
ap-666	118	13	24	24	NUM
ap-666	118	14	]	]	PUNCT
ap-666	118	15	employs	employ	VERB
ap-666	118	16	a	a	DET
ap-666	118	17	local	local	ADJ
ap-666	118	18	-	-	PUNCT
ap-666	118	19	as	as	ADP
ap-666	118	20	-	-	PUNCT
ap-666	118	21	view	view	NOUN
ap-666	118	22	approach	approach	NOUN
ap-666	118	23	.	.	PUNCT
ap-666	119	1	it	it	PRON
ap-666	119	2	has	have	VERB
ap-666	119	3	an	an	DET
ap-666	119	4	explicit	explicit	ADJ
ap-666	119	5	notion	notion	NOUN
ap-666	119	6	of	of	ADP
ap-666	119	7	global	global	ADJ
ap-666	119	8	schema	schema	NOUN
ap-666	119	9	/	/	SYM
ap-666	119	10	ontology	ontology	NOUN
ap-666	119	11	.	.	PUNCT
ap-666	120	1	�	�	PROPN
ap-666	120	2	the	the	DET
ap-666	120	3	observer	observer	NOUN
ap-666	121	1	[	[	X
ap-666	121	2	28	28	NUM
ap-666	121	3	]	]	X
ap-666	121	4	system	system	NOUN
ap-666	121	5	uses	use	VERB
ap-666	121	6	a	a	DET
ap-666	121	7	different	different	ADJ
ap-666	121	8	strategy	strategy	NOUN
ap-666	121	9	for	for	ADP
ap-666	121	10	information	information	NOUN
ap-666	121	11	integration	integration	NOUN
ap-666	121	12	.	.	PUNCT
ap-666	122	1	it	it	PRON
ap-666	122	2	allows	allow	VERB
ap-666	122	3	individual	individual	ADJ
ap-666	122	4	ontologies	ontology	NOUN
ap-666	122	5	and	and	CCONJ
ap-666	122	6	defines	define	VERB
ap-666	122	7	terminological	terminological	ADJ
ap-666	122	8	relationships	relationship	NOUN
ap-666	122	9	between	between	ADP
ap-666	122	10	them	they	PRON
ap-666	122	11	,	,	PUNCT
ap-666	122	12	instead	instead	ADV
ap-666	122	13	of	of	ADP
ap-666	122	14	creating	create	VERB
ap-666	122	15	a	a	DET
ap-666	122	16	global	global	ADJ
ap-666	122	17	ontology	ontology	NOUN
ap-666	122	18	to	to	PART
ap-666	122	19	support	support	VERB
ap-666	122	20	all	all	DET
ap-666	122	21	the	the	DET
ap-666	122	22	underlying	underlie	VERB
ap-666	122	23	source	source	NOUN
ap-666	122	24	schemas	schema	NOUN
ap-666	122	25	.	.	PUNCT
ap-666	123	1	5	5	NUM
ap-666	123	2	data	datum	NOUN
ap-666	123	3	integration	integration	NOUN
ap-666	123	4	data	datum	NOUN
ap-666	123	5	integration	integration	NOUN
ap-666	123	6	is	be	AUX
ap-666	123	7	the	the	DET
ap-666	123	8	process	process	NOUN
ap-666	123	9	of	of	ADP
ap-666	123	10	combining	combine	VERB
ap-666	123	11	data	datum	NOUN
ap-666	123	12	at	at	ADP
ap-666	123	13	the	the	DET
ap-666	123	14	entity	entity	NOUN
ap-666	123	15	-	-	PUNCT
ap-666	123	16	level	level	NOUN
ap-666	123	17	.	.	PUNCT
ap-666	124	1	after	after	SCONJ
ap-666	124	2	schema	schema	NOUN
ap-666	124	3	integration	integration	NOUN
ap-666	124	4	has	have	AUX
ap-666	124	5	been	be	AUX
ap-666	124	6	completed	complete	VERB
ap-666	124	7	,	,	PUNCT
ap-666	124	8	a	a	DET
ap-666	124	9	uniform	uniform	ADJ
ap-666	124	10	global	global	ADJ
ap-666	124	11	view	view	NOUN
ap-666	124	12	has	have	AUX
ap-666	124	13	been	be	AUX
ap-666	124	14	constructed	construct	VERB
ap-666	124	15	.	.	PUNCT
ap-666	125	1	however	however	ADV
ap-666	125	2	,	,	PUNCT
ap-666	125	3	it	it	PRON
ap-666	125	4	may	may	AUX
ap-666	125	5	be	be	AUX
ap-666	125	6	difficult	difficult	ADJ
ap-666	125	7	to	to	PART
ap-666	125	8	combine	combine	VERB
ap-666	125	9	all	all	DET
ap-666	125	10	the	the	DET
ap-666	125	11	data	data	NOUN
ap-666	125	12	instances	instance	NOUN
ap-666	125	13	in	in	ADP
ap-666	125	14	the	the	DET
ap-666	125	15	combined	combine	VERB
ap-666	125	16	schemas	schema	NOUN
ap-666	125	17	in	in	ADP
ap-666	125	18	a	a	DET
ap-666	125	19	meaningful	meaningful	ADJ
ap-666	125	20	way	way	NOUN
ap-666	125	21	.	.	PUNCT
ap-666	126	1	combining	combine	VERB
ap-666	126	2	the	the	DET
ap-666	126	3	data	data	NOUN
ap-666	126	4	instances	instance	NOUN
ap-666	126	5	is	be	AUX
ap-666	126	6	the	the	DET
ap-666	126	7	focus	focus	NOUN
ap-666	126	8	of	of	ADP
ap-666	126	9	data	datum	NOUN
ap-666	126	10	integration	integration	NOUN
ap-666	126	11	.	.	PUNCT
ap-666	127	1	data	datum	NOUN
ap-666	127	2	integration	integration	NOUN
ap-666	127	3	is	be	AUX
ap-666	127	4	difficult	difficult	ADJ
ap-666	127	5	because	because	SCONJ
ap-666	127	6	similar	similar	ADJ
ap-666	127	7	data	datum	NOUN
ap-666	127	8	entities	entity	NOUN
ap-666	127	9	in	in	ADP
ap-666	127	10	different	different	ADJ
ap-666	127	11	databases	database	NOUN
ap-666	127	12	may	may	AUX
ap-666	127	13	not	not	PART
ap-666	127	14	have	have	VERB
ap-666	127	15	the	the	DET
ap-666	127	16	same	same	ADJ
ap-666	127	17	key	key	NOUN
ap-666	127	18	.	.	PUNCT
ap-666	128	1	determining	determine	VERB
ap-666	128	2	which	which	PRON
ap-666	128	3	instances	instance	NOUN
ap-666	128	4	in	in	ADP
ap-666	128	5	two	two	NUM
ap-666	128	6	databases	database	NOUN
ap-666	128	7	are	be	AUX
ap-666	128	8	the	the	DET
ap-666	128	9	same	same	ADJ
ap-666	128	10	is	be	AUX
ap-666	128	11	a	a	DET
ap-666	128	12	complicated	complicated	ADJ
ap-666	128	13	task	task	NOUN
ap-666	128	14	,	,	PUNCT
ap-666	128	15	if	if	SCONJ
ap-666	128	16	they	they	PRON
ap-666	128	17	do	do	AUX
ap-666	128	18	not	not	PART
ap-666	128	19	share	share	VERB
ap-666	128	20	the	the	DET
ap-666	128	21	same	same	ADJ
ap-666	128	22	key	key	NOUN
ap-666	128	23	.	.	PUNCT
ap-666	129	1	entity	entity	NOUN
ap-666	129	2	identification	identification	NOUN
ap-666	129	3	[	[	X
ap-666	129	4	27	27	NUM
ap-666	129	5	]	]	PUNCT
ap-666	129	6	is	be	AUX
ap-666	129	7	the	the	DET
ap-666	129	8	process	process	NOUN
ap-666	129	9	of	of	ADP
ap-666	129	10	determining	determine	VERB
ap-666	129	11	the	the	DET
ap-666	129	12	correspondence	correspondence	NOUN
ap-666	129	13	between	between	ADP
ap-666	129	14	object	object	NOUN
ap-666	129	15	instances	instance	NOUN
ap-666	129	16	from	from	ADP
ap-666	129	17	more	more	ADJ
ap-666	129	18	than	than	ADP
ap-666	129	19	one	one	NUM
ap-666	129	20	database	database	NOUN
ap-666	129	21	.	.	PUNCT
ap-666	130	1	data	datum	NOUN
ap-666	130	2	integration	integration	NOUN
ap-666	130	3	is	be	AUX
ap-666	130	4	further	far	ADV
ap-666	130	5	complicated	complicated	ADJ
ap-666	130	6	because	because	SCONJ
ap-666	130	7	attribute	attribute	NOUN
ap-666	130	8	values	value	NOUN
ap-666	130	9	in	in	ADP
ap-666	130	10	different	different	ADJ
ap-666	130	11	databases	database	NOUN
ap-666	130	12	may	may	AUX
ap-666	130	13	disagree	disagree	VERB
ap-666	130	14	or	or	CCONJ
ap-666	130	15	be	be	AUX
ap-666	130	16	range	range	NOUN
ap-666	130	17	values	value	NOUN
ap-666	130	18	.	.	PUNCT
ap-666	131	1	simply	simply	ADV
ap-666	131	2	said	say	VERB
ap-666	131	3	,	,	PUNCT
ap-666	131	4	data	datum	NOUN
ap-666	131	5	integration	integration	NOUN
ap-666	131	6	is	be	AUX
ap-666	131	7	the	the	DET
ap-666	131	8	process	process	NOUN
ap-666	131	9	which	which	PRON
ap-666	131	10	:	:	PUNCT
ap-666	131	11	�	�	PROPN
ap-666	131	12	takes	take	VERB
ap-666	131	13	as	as	ADP
ap-666	131	14	input	input	NOUN
ap-666	131	15	a	a	DET
ap-666	131	16	set	set	NOUN
ap-666	131	17	of	of	ADP
ap-666	131	18	databases	database	NOUN
ap-666	131	19	(	(	PUNCT
ap-666	131	20	schemas	schema	NOUN
ap-666	131	21	)	)	PUNCT
ap-666	131	22	,	,	PUNCT
ap-666	131	23	and	and	CCONJ
ap-666	131	24	�	�	PROPN
ap-666	131	25	produces	produce	VERB
ap-666	131	26	as	as	ADP
ap-666	131	27	output	output	NOUN
ap-666	131	28	a	a	DET
ap-666	131	29	single	single	ADJ
ap-666	131	30	unified	unified	ADJ
ap-666	131	31	description	description	NOUN
ap-666	131	32	of	of	ADP
ap-666	131	33	the	the	DET
ap-666	131	34	input	input	NOUN
ap-666	131	35	schemas	schema	NOUN
ap-666	131	36	(	(	PUNCT
ap-666	131	37	the	the	DET
ap-666	131	38	integrated	integrate	VERB
ap-666	131	39	schema	schema	NOUN
ap-666	131	40	)	)	PUNCT
ap-666	131	41	and	and	CCONJ
ap-666	131	42	the	the	DET
ap-666	131	43	associated	associated	ADJ
ap-666	131	44	mapping	mapping	NOUN
ap-666	131	45	information	information	NOUN
ap-666	131	46	supporting	support	VERB
ap-666	131	47	integrated	integrate	VERB
ap-666	131	48	access	access	NOUN
ap-666	131	49	to	to	ADP
ap-666	131	50	existing	exist	VERB
ap-666	131	51	data	datum	NOUN
ap-666	131	52	through	through	ADP
ap-666	131	53	the	the	DET
ap-666	131	54	integrated	integrate	VERB
ap-666	131	55	schema	schema	NOUN
ap-666	131	56	.	.	PUNCT
ap-666	132	1	parent	parent	NOUN
ap-666	132	2	and	and	CCONJ
ap-666	132	3	spaccapietra	spaccapietra	PROPN
ap-666	132	4	[	[	X
ap-666	132	5	33	33	NUM
ap-666	132	6	]	]	PUNCT
ap-666	132	7	present	present	VERB
ap-666	132	8	a	a	DET
ap-666	132	9	general	general	ADJ
ap-666	132	10	data	data	NOUN
ap-666	132	11	integration	integration	NOUN
ap-666	132	12	process	process	NOUN
ap-666	132	13	in	in	ADP
ap-666	132	14	their	their	PRON
ap-666	132	15	survey	survey	NOUN
ap-666	132	16	on	on	ADP
ap-666	132	17	database	database	NOUN
ap-666	132	18	integration	integration	NOUN
ap-666	132	19	.	.	PUNCT
ap-666	133	1	first	first	ADV
ap-666	133	2	,	,	PUNCT
ap-666	133	3	they	they	PRON
ap-666	133	4	convert	convert	VERB
ap-666	133	5	a	a	DET
ap-666	133	6	heterogeneous	heterogeneous	ADJ
ap-666	133	7	schema	schema	NOUN
ap-666	133	8	to	to	ADP
ap-666	133	9	a	a	DET
ap-666	133	10	homogeneous	homogeneous	ADJ
ap-666	133	11	representation	representation	NOUN
ap-666	133	12	,	,	PUNCT
ap-666	133	13	using	use	VERB
ap-666	133	14	transformation	transformation	NOUN
ap-666	133	15	rules	rule	NOUN
ap-666	133	16	that	that	PRON
ap-666	133	17	explain	explain	VERB
ap-666	133	18	how	how	SCONJ
ap-666	133	19	to	to	PART
ap-666	133	20	transform	transform	VERB
ap-666	133	21	constructs	construct	NOUN
ap-666	133	22	from	from	ADP
ap-666	133	23	the	the	DET
ap-666	133	24	source	source	NOUN
ap-666	133	25	data	data	NOUN
ap-666	133	26	models	model	NOUN
ap-666	133	27	to	to	ADP
ap-666	133	28	the	the	DET
ap-666	133	29	corresponding	correspond	VERB
ap-666	133	30	one	one	NUM
ap-666	133	31	in	in	ADP
ap-666	133	32	the	the	DET
ap-666	133	33	target	target	NOUN
ap-666	133	34	common	common	ADJ
ap-666	133	35	data	datum	NOUN
ap-666	133	36	model	model	NOUN
ap-666	133	37	.	.	PUNCT
ap-666	134	1	the	the	DET
ap-666	134	2	transformation	transformation	NOUN
ap-666	134	3	specification	specification	NOUN
ap-666	134	4	produced	produce	VERB
ap-666	134	5	by	by	ADP
ap-666	134	6	this	this	DET
ap-666	134	7	step	step	NOUN
ap-666	134	8	specifies	specifie	NOUN
ap-666	134	9	how	how	SCONJ
ap-666	134	10	to	to	PART
ap-666	134	11	transform	transform	VERB
ap-666	134	12	instance	instance	NOUN
ap-666	134	13	data	datum	NOUN
ap-666	134	14	from	from	ADP
ap-666	134	15	the	the	DET
ap-666	134	16	source	source	NOUN
ap-666	134	17	schema	schema	NOUN
ap-666	134	18	to	to	ADP
ap-666	134	19	the	the	DET
ap-666	134	20	corresponding	corresponding	ADJ
ap-666	134	21	target	target	NOUN
ap-666	134	22	schema	schema	NOUN
ap-666	134	23	.	.	PUNCT
ap-666	135	1	then	then	ADV
ap-666	135	2	,	,	PUNCT
ap-666	135	3	correspondences	correspondence	NOUN
ap-666	135	4	are	be	AUX
ap-666	135	5	investigated	investigate	VERB
ap-666	135	6	,	,	PUNCT
ap-666	135	7	using	use	VERB
ap-666	135	8	the	the	DET
ap-666	135	9	semantic	semantic	ADJ
ap-666	135	10	descriptions	description	NOUN
ap-666	135	11	of	of	ADP
ap-666	135	12	the	the	DET
ap-666	135	13	data	datum	NOUN
ap-666	135	14	to	to	PART
ap-666	135	15	produce	produce	VERB
ap-666	135	16	correspondence	correspondence	NOUN
ap-666	135	17	assertions	assertion	NOUN
ap-666	135	18	.	.	PUNCT
ap-666	136	1	finally	finally	ADV
ap-666	136	2	,	,	PUNCT
ap-666	136	3	correspondence	correspondence	NOUN
ap-666	136	4	assertions	assertion	NOUN
ap-666	136	5	and	and	CCONJ
ap-666	136	6	integration	integration	NOUN
ap-666	136	7	rules	rule	NOUN
ap-666	136	8	are	be	AUX
ap-666	136	9	used	use	VERB
ap-666	136	10	to	to	PART
ap-666	136	11	produce	produce	VERB
ap-666	136	12	the	the	DET
ap-666	136	13	unified	unified	ADJ
ap-666	136	14	schema	schema	NOUN
ap-666	136	15	.	.	PUNCT
ap-666	137	1	in	in	ADP
ap-666	137	2	general	general	ADJ
ap-666	137	3	,	,	PUNCT
ap-666	137	4	data	datum	NOUN
ap-666	137	5	integration	integration	NOUN
ap-666	137	6	systems	system	NOUN
ap-666	137	7	can	can	AUX
ap-666	137	8	be	be	AUX
ap-666	137	9	classified	classify	VERB
ap-666	137	10	into	into	ADP
ap-666	137	11	data	data	NOUN
ap-666	137	12	-	-	PUNCT
ap-666	137	13	warehouse	warehouse	NOUN
ap-666	137	14	and	and	CCONJ
ap-666	137	15	mediator	mediator	NOUN
ap-666	137	16	-	-	PUNCT
ap-666	137	17	wrapper	wrapper	NOUN
ap-666	137	18	systems	system	NOUN
ap-666	137	19	.	.	PUNCT
ap-666	138	1	a	a	DET
ap-666	138	2	data	data	NOUN
ap-666	138	3	warehouse	warehouse	NOUN
ap-666	138	4	[	[	X
ap-666	138	5	9	9	NUM
ap-666	138	6	]	]	PUNCT
ap-666	138	7	is	be	AUX
ap-666	138	8	a	a	DET
ap-666	138	9	decision	decision	NOUN
ap-666	138	10	support	support	NOUN
ap-666	138	11	database	database	NOUN
ap-666	138	12	that	that	PRON
ap-666	138	13	is	be	AUX
ap-666	138	14	extracted	extract	VERB
ap-666	138	15	from	from	ADP
ap-666	138	16	a	a	DET
ap-666	138	17	set	set	NOUN
ap-666	138	18	of	of	ADP
ap-666	138	19	data	datum	NOUN
ap-666	138	20	sources	source	NOUN
ap-666	138	21	.	.	PUNCT
ap-666	139	1	the	the	DET
ap-666	139	2	extraction	extraction	NOUN
ap-666	139	3	process	process	NOUN
ap-666	139	4	requires	require	VERB
ap-666	139	5	data	datum	NOUN
ap-666	139	6	to	to	PART
ap-666	139	7	be	be	AUX
ap-666	139	8	transformed	transform	VERB
ap-666	139	9	from	from	ADP
ap-666	139	10	the	the	DET
ap-666	139	11	source	source	NOUN
ap-666	139	12	format	format	NOUN
ap-666	139	13	into	into	ADP
ap-666	139	14	the	the	DET
ap-666	139	15	data	data	NOUN
ap-666	139	16	warehouse	warehouse	NOUN
ap-666	139	17	format	format	NOUN
ap-666	139	18	.	.	PUNCT
ap-666	140	1	a	a	DET
ap-666	140	2	mediator	mediator	NOUN
ap-666	140	3	-	-	PUNCT
ap-666	140	4	wrapper	wrapper	NOUN
ap-666	140	5	approach	approach	NOUN
ap-666	140	6	[	[	X
ap-666	140	7	39	39	NUM
ap-666	140	8	]	]	PUNCT
ap-666	140	9	is	be	AUX
ap-666	140	10	used	use	VERB
ap-666	140	11	to	to	PART
ap-666	140	12	integrate	integrate	VERB
ap-666	140	13	data	datum	NOUN
ap-666	140	14	from	from	ADP
ap-666	140	15	different	different	ADJ
ap-666	140	16	databases	database	NOUN
ap-666	140	17	and	and	CCONJ
ap-666	140	18	other	other	ADJ
ap-666	140	19	data	datum	NOUN
ap-666	140	20	sources	source	NOUN
ap-666	140	21	by	by	ADP
ap-666	140	22	introducing	introduce	VERB
ap-666	140	23	a	a	DET
ap-666	140	24	middleware	middleware	NOUN
ap-666	140	25	virtual	virtual	ADJ
ap-666	140	26	database	database	NOUN
ap-666	140	27	,	,	PUNCT
ap-666	140	28	called	call	VERB
ap-666	140	29	a	a	DET
ap-666	140	30	mediator	mediator	NOUN
ap-666	140	31	,	,	PUNCT
ap-666	140	32	between	between	ADP
ap-666	140	33	the	the	DET
ap-666	140	34	data	datum	NOUN
ap-666	140	35	sources	source	NOUN
ap-666	140	36	and	and	CCONJ
ap-666	140	37	the	the	DET
ap-666	140	38	application	application	NOUN
ap-666	140	39	using	use	VERB
ap-666	140	40	them	they	PRON
ap-666	140	41	.	.	PUNCT
ap-666	141	1	wrappers	wrapper	NOUN
ap-666	141	2	are	be	AUX
ap-666	141	3	interfaces	interface	NOUN
ap-666	141	4	to	to	ADP
ap-666	141	5	data	datum	NOUN
ap-666	141	6	sources	source	NOUN
ap-666	141	7	that	that	PRON
ap-666	141	8	translate	translate	VERB
ap-666	141	9	data	datum	NOUN
ap-666	141	10	into	into	ADP
ap-666	141	11	a	a	DET
ap-666	141	12	common	common	ADJ
ap-666	141	13	data	datum	NOUN
ap-666	141	14	model	model	NOUN
ap-666	141	15	used	use	VERB
ap-666	141	16	by	by	ADP
ap-666	141	17	the	the	DET
ap-666	141	18	mediator	mediator	NOUN
ap-666	141	19	.	.	PUNCT
ap-666	142	1	based	base	VERB
ap-666	142	2	on	on	ADP
ap-666	142	3	the	the	DET
ap-666	142	4	direction	direction	NOUN
ap-666	142	5	of	of	ADP
ap-666	142	6	the	the	DET
ap-666	142	7	mappings	mapping	NOUN
ap-666	142	8	between	between	ADP
ap-666	142	9	a	a	DET
ap-666	142	10	source	source	NOUN
ap-666	142	11	and	and	CCONJ
ap-666	142	12	a	a	DET
ap-666	142	13	global	global	ADJ
ap-666	142	14	schema	schema	NOUN
ap-666	142	15	or	or	CCONJ
ap-666	142	16	common	common	ADJ
ap-666	142	17	schema	schema	NOUN
ap-666	142	18	,	,	PUNCT
ap-666	142	19	mediator	mediator	NOUN
ap-666	142	20	-	-	PUNCT
ap-666	142	21	wrapper	wrapper	NOUN
ap-666	142	22	systems	system	NOUN
ap-666	142	23	can	can	AUX
ap-666	142	24	be	be	AUX
ap-666	142	25	classified	classify	VERB
ap-666	142	26	into	into	ADP
ap-666	142	27	so	so	ADV
ap-666	142	28	called	call	VERB
ap-666	142	29	global	global	ADJ
ap-666	142	30	-	-	PUNCT
ap-666	142	31	as	as	ADP
ap-666	142	32	-	-	PUNCT
ap-666	142	33	view	view	NOUN
ap-666	142	34	and	and	CCONJ
ap-666	142	35	local	local	ADJ
ap-666	142	36	-	-	PUNCT
ap-666	142	37	as	as	ADP
ap-666	142	38	-	-	PUNCT
ap-666	142	39	view	view	NOUN
ap-666	142	40	[	[	X
ap-666	142	41	19	19	NUM
ap-666	142	42	,	,	PUNCT
ap-666	142	43	26	26	NUM
ap-666	142	44	]	]	PUNCT
ap-666	142	45	.	.	PUNCT
ap-666	143	1	in	in	ADP
ap-666	143	2	global	global	ADJ
ap-666	143	3	-	-	PUNCT
ap-666	143	4	as	as	ADP
ap-666	143	5	-	-	PUNCT
ap-666	143	6	view	view	NOUN
ap-666	143	7	(	(	PUNCT
ap-666	143	8	gav	gav	PROPN
ap-666	143	9	)	)	PUNCT
ap-666	143	10	approaches	approach	VERB
ap-666	143	11	[	[	X
ap-666	143	12	16	16	NUM
ap-666	143	13	]	]	PUNCT
ap-666	143	14	,	,	PUNCT
ap-666	143	15	each	each	DET
ap-666	143	16	item	item	NOUN
ap-666	143	17	in	in	ADP
ap-666	143	18	the	the	DET
ap-666	143	19	global	global	ADJ
ap-666	143	20	schema	schema	NOUN
ap-666	143	21	/	/	SYM
ap-666	143	22	ontology	ontology	NOUN
ap-666	143	23	is	be	AUX
ap-666	143	24	defined	define	VERB
ap-666	143	25	in	in	ADP
ap-666	143	26	terms	term	NOUN
ap-666	143	27	of	of	ADP
ap-666	143	28	source	source	NOUN
ap-666	143	29	schemas	schema	NOUN
ap-666	143	30	/	/	SYM
ap-666	143	31	ontologies	ontology	NOUN
ap-666	143	32	.	.	PUNCT
ap-666	144	1	in	in	ADP
ap-666	144	2	local	local	ADJ
ap-666	144	3	-	-	PUNCT
ap-666	144	4	as	as	ADP
ap-666	144	5	-	-	PUNCT
ap-666	144	6	view	view	NOUN
ap-666	144	7	(	(	PUNCT
ap-666	144	8	lav	lav	NOUN
ap-666	144	9	)	)	PUNCT
ap-666	144	10	approaches	approach	NOUN
ap-666	144	11	,	,	PUNCT
ap-666	144	12	each	each	DET
ap-666	144	13	item	item	NOUN
ap-666	144	14	in	in	ADP
ap-666	144	15	each	each	DET
ap-666	144	16	source	source	NOUN
ap-666	144	17	schema	schema	NOUN
ap-666	144	18	/	/	SYM
ap-666	144	19	ontology	ontology	NOUN
ap-666	144	20	is	be	AUX
ap-666	144	21	defined	define	VERB
ap-666	144	22	in	in	ADP
ap-666	144	23	terms	term	NOUN
ap-666	144	24	of	of	ADP
ap-666	144	25	the	the	DET
ap-666	144	26	global	global	ADJ
ap-666	144	27	schema	schema	NOUN
ap-666	144	28	/	/	SYM
ap-666	144	29	ontology	ontology	NOUN
ap-666	144	30	.	.	PUNCT
ap-666	145	1	methods	method	NOUN
ap-666	145	2	for	for	ADP
ap-666	145	3	query	query	NOUN
ap-666	145	4	rewriting	rewriting	NOUN
ap-666	145	5	and	and	CCONJ
ap-666	145	6	query	query	NOUN
ap-666	145	7	answering	answering	NOUN
ap-666	145	8	views	view	NOUN
ap-666	145	9	are	be	AUX
ap-666	145	10	presented	present	VERB
ap-666	145	11	in	in	ADP
ap-666	145	12	[	[	X
ap-666	145	13	11	11	NUM
ap-666	145	14	]	]	PUNCT
ap-666	145	15	.	.	PUNCT
ap-666	146	1	the	the	DET
ap-666	146	2	most	most	ADV
ap-666	146	3	important	important	ADJ
ap-666	146	4	techniques	technique	NOUN
ap-666	146	5	in	in	ADP
ap-666	146	6	the	the	DET
ap-666	146	7	literature	literature	NOUN
ap-666	146	8	for	for	ADP
ap-666	146	9	lav	lav	NOUN
ap-666	146	10	are	be	AUX
ap-666	146	11	presented	present	VERB
ap-666	146	12	.	.	PUNCT
ap-666	147	1	6	6	NUM
ap-666	147	2	integration	integration	NOUN
ap-666	147	3	and	and	CCONJ
ap-666	147	4	querying	query	VERB
ap-666	147	5	xml	xml	NOUN
ap-666	147	6	via	via	ADP
ap-666	147	7	mediation	mediation	NOUN
ap-666	147	8	in	in	ADP
ap-666	147	9	this	this	DET
ap-666	147	10	section	section	NOUN
ap-666	147	11	,	,	PUNCT
ap-666	147	12	we	we	PRON
ap-666	147	13	propose	propose	VERB
ap-666	147	14	a	a	DET
ap-666	147	15	general	general	ADJ
ap-666	147	16	framework	framework	NOUN
ap-666	147	17	for	for	ADP
ap-666	147	18	a	a	DET
ap-666	147	19	system	system	NOUN
ap-666	147	20	for	for	ADP
ap-666	147	21	xml	xml	NOUN
ap-666	147	22	date	date	NOUN
ap-666	147	23	integration	integration	NOUN
ap-666	147	24	and	and	CCONJ
ap-666	147	25	querying	query	VERB
ap-666	147	26	xml	xml	NOUN
ap-666	147	27	via	via	ADP
ap-666	147	28	mediation	mediation	NOUN
ap-666	147	29	(	(	PUNCT
ap-666	147	30	iqxm	iqxm	NOUN
ap-666	147	31	)	)	PUNCT
ap-666	148	1	[	[	X
ap-666	148	2	2	2	NUM
ap-666	148	3	]	]	PUNCT
ap-666	148	4	.	.	PUNCT
ap-666	149	1	the	the	DET
ap-666	149	2	architecture	architecture	NOUN
ap-666	149	3	of	of	ADP
ap-666	149	4	iqxm	iqxm	NOUN
ap-666	149	5	is	be	AUX
ap-666	149	6	shown	show	VERB
ap-666	149	7	in	in	ADP
ap-666	149	8	fig	fig	NOUN
ap-666	149	9	.	.	PUNCT
ap-666	150	1	1	1	X
ap-666	150	2	.	.	X
ap-666	150	3	iqxm	iqxm	NOUN
ap-666	150	4	mainly	mainly	ADV
ap-666	150	5	refers	refer	VERB
ap-666	150	6	to	to	ADP
ap-666	150	7	the	the	DET
ap-666	150	8	problem	problem	NOUN
ap-666	150	9	of	of	ADP
ap-666	150	10	integrating	integrate	VERB
ap-666	150	11	heterogeneous	heterogeneous	ADJ
ap-666	150	12	xml	xml	NOUN
ap-666	150	13	data	datum	NOUN
ap-666	150	14	sources	source	NOUN
ap-666	150	15	.	.	PUNCT
ap-666	151	1	it	it	PRON
ap-666	151	2	can	can	AUX
ap-666	151	3	be	be	AUX
ap-666	151	4	used	use	VERB
ap-666	151	5	for	for	ADP
ap-666	151	6	resolving	resolve	VERB
ap-666	151	7	structural	structural	ADJ
ap-666	151	8	and	and	CCONJ
ap-666	151	9	semantic	semantic	ADJ
ap-666	151	10	conflicts	conflict	NOUN
ap-666	151	11	for	for	ADP
ap-666	151	12	distributed	distribute	VERB
ap-666	151	13	heterogeneous	heterogeneous	ADJ
ap-666	151	14	xml	xml	NOUN
ap-666	151	15	data	datum	NOUN
ap-666	151	16	.	.	PUNCT
ap-666	152	1	a	a	DET
ap-666	152	2	global	global	ADJ
ap-666	152	3	xml	xml	NOUN
ap-666	152	4	schema	schema	NOUN
ap-666	152	5	is	be	AUX
ap-666	152	6	specified	specify	VERB
ap-666	152	7	by	by	ADP
ap-666	152	8	the	the	DET
ap-666	152	9	designer	designer	NOUN
ap-666	152	10	to	to	PART
ap-666	152	11	provide	provide	VERB
ap-666	152	12	a	a	DET
ap-666	152	13	homogeneous	homogeneous	ADJ
ap-666	152	14	view	view	NOUN
ap-666	152	15	over	over	ADP
ap-666	152	16	heterogeneous	heterogeneous	ADJ
ap-666	152	17	xml	xml	NOUN
ap-666	152	18	data	datum	NOUN
ap-666	152	19	.	.	PUNCT
ap-666	153	1	a	a	DET
ap-666	153	2	mediation	mediation	NOUN
ap-666	153	3	layer	layer	NOUN
ap-666	153	4	is	be	AUX
ap-666	153	5	proposed	propose	VERB
ap-666	153	6	for	for	ADP
ap-666	153	7	describing	describe	VERB
ap-666	153	8	mappings	mapping	NOUN
ap-666	153	9	between	between	ADP
ap-666	153	10	global	global	ADJ
ap-666	153	11	and	and	CCONJ
ap-666	153	12	local	local	ADJ
ap-666	153	13	schemas	schema	NOUN
ap-666	153	14	.	.	PUNCT
ap-666	154	1	an	an	DET
ap-666	154	2	xml	xml	NOUN
ap-666	154	3	mediation	mediation	NOUN
ap-666	154	4	layer	layer	NOUN
ap-666	154	5	is	be	AUX
ap-666	154	6	introduced	introduce	VERB
ap-666	154	7	to	to	PART
ap-666	154	8	manage	manage	VERB
ap-666	154	9	:	:	PUNCT
ap-666	154	10	(	(	PUNCT
ap-666	154	11	1	1	X
ap-666	154	12	)	)	PUNCT
ap-666	154	13	establishing	establish	VERB
ap-666	154	14	appropriate	appropriate	ADJ
ap-666	154	15	mappings	mapping	NOUN
ap-666	154	16	between	between	ADP
ap-666	154	17	the	the	DET
ap-666	154	18	global	global	ADJ
ap-666	154	19	schema	schema	NOUN
ap-666	154	20	and	and	CCONJ
ap-666	154	21	the	the	DET
ap-666	154	22	schemas	schema	NOUN
ap-666	154	23	of	of	ADP
ap-666	154	24	the	the	DET
ap-666	154	25	sources;	sources;	NOUN
ap-666	154	26	(	(	PUNCT
ap-666	154	27	2	2	X
ap-666	154	28	)	)	PUNCT
ap-666	154	29	querying	query	VERB
ap-666	154	30	xml	xml	NOUN
ap-666	154	31	data	datum	NOUN
ap-666	154	32	sources	source	NOUN
ap-666	154	33	in	in	ADP
ap-666	154	34	terms	term	NOUN
ap-666	154	35	of	of	ADP
ap-666	154	36	the	the	DET
ap-666	154	37	global	global	ADJ
ap-666	154	38	schema	schema	NOUN
ap-666	154	39	.	.	PUNCT
ap-666	155	1	the	the	DET
ap-666	155	2	xml	xml	NOUN
ap-666	155	3	data	datum	NOUN
ap-666	155	4	sources	source	NOUN
ap-666	155	5	are	be	AUX
ap-666	155	6	described	describe	VERB
ap-666	155	7	by	by	ADP
ap-666	155	8	xml	xml	NOUN
ap-666	155	9	schema	schema	NOUN
ap-666	155	10	language	language	NOUN
ap-666	155	11	.	.	PUNCT
ap-666	156	1	the	the	DET
ap-666	156	2	former	former	ADJ
ap-666	156	3	task	task	NOUN
ap-666	156	4	is	be	AUX
ap-666	156	5	performed	perform	VERB
ap-666	156	6	through	through	ADP
ap-666	156	7	a	a	DET
ap-666	156	8	semi	semi	ADJ
ap-666	156	9	-	-	ADJ
ap-666	156	10	automatic	automatic	ADJ
ap-666	156	11	process	process	NOUN
ap-666	156	12	that	that	PRON
ap-666	156	13	generates	generate	VERB
ap-666	156	14	local	local	ADJ
ap-666	156	15	and	and	CCONJ
ap-666	156	16	global	global	ADJ
ap-666	156	17	paths	path	NOUN
ap-666	156	18	.	.	PUNCT
ap-666	157	1	a	a	DET
ap-666	157	2	tree	tree	NOUN
ap-666	157	3	structure	structure	NOUN
ap-666	157	4	for	for	ADP
ap-666	157	5	each	each	DET
ap-666	157	6	xml	xml	NOUN
ap-666	157	7	schema	schema	NOUN
ap-666	157	8	is	be	AUX
ap-666	157	9	constructed	construct	VERB
ap-666	157	10	and	and	CCONJ
ap-666	157	11	represented	represent	VERB
ap-666	157	12	by	by	ADP
ap-666	157	13	a	a	DET
ap-666	157	14	simple	simple	ADJ
ap-666	157	15	form	form	NOUN
ap-666	157	16	.	.	PUNCT
ap-666	158	1	this	this	PRON
ap-666	158	2	is	be	AUX
ap-666	158	3	in	in	ADP
ap-666	158	4	turn	turn	NOUN
ap-666	158	5	used	use	VERB
ap-666	158	6	for	for	ADP
ap-666	158	7	assigning	assign	VERB
ap-666	158	8	indices	index	NOUN
ap-666	158	9	manually	manually	ADV
ap-666	158	10	to	to	PART
ap-666	158	11	match	match	VERB
ap-666	158	12	local	local	ADJ
ap-666	158	13	paths	path	NOUN
ap-666	158	14	to	to	ADP
ap-666	158	15	corresponding	correspond	VERB
ap-666	158	16	global	global	ADJ
ap-666	158	17	paths	path	NOUN
ap-666	158	18	.	.	PUNCT
ap-666	159	1	by	by	ADP
ap-666	159	2	gathering	gather	VERB
ap-666	159	3	all	all	DET
ap-666	159	4	paths	path	NOUN
ap-666	159	5	with	with	ADP
ap-666	159	6	the	the	DET
ap-666	159	7	same	same	ADJ
ap-666	159	8	indices	index	NOUN
ap-666	159	9	,	,	PUNCT
ap-666	159	10	the	the	DET
ap-666	159	11	equivalent	equivalent	ADJ
ap-666	159	12	local	local	ADJ
ap-666	159	13	and	and	CCONJ
ap-666	159	14	global	global	ADJ
ap-666	159	15	paths	path	NOUN
ap-666	159	16	are	be	AUX
ap-666	159	17	grouped	group	VERB
ap-666	159	18	automatically	automatically	ADV
ap-666	159	19	,	,	PUNCT
ap-666	159	20	and	and	CCONJ
ap-666	159	21	an	an	DET
ap-666	159	22	xml	xml	NOUN
ap-666	159	23	metadata	metadata	NOUN
ap-666	159	24	document	document	NOUN
ap-666	159	25	is	be	AUX
ap-666	159	26	constructed	construct	VERB
ap-666	159	27	.	.	PUNCT
ap-666	160	1	the	the	DET
ap-666	160	2	query	query	NOUN
ap-666	160	3	translator	translator	NOUN
ap-666	160	4	acts	act	VERB
ap-666	160	5	to	to	PART
ap-666	160	6	decompose	decompose	VERB
ap-666	160	7	global	global	ADJ
ap-666	160	8	queries	query	NOUN
ap-666	160	9	into	into	ADP
ap-666	160	10	a	a	DET
ap-666	160	11	set	set	NOUN
ap-666	160	12	of	of	ADP
ap-666	160	13	subqueries	subquerie	NOUN
ap-666	160	14	.	.	PUNCT
ap-666	161	1	a	a	DET
ap-666	161	2	global	global	ADJ
ap-666	161	3	query	query	NOUN
ap-666	161	4	from	from	ADP
ap-666	161	5	an	an	DET
ap-666	161	6	end	end	NOUN
ap-666	161	7	-	-	PUNCT
ap-666	161	8	user	user	NOUN
ap-666	161	9	is	be	AUX
ap-666	161	10	translated	translate	VERB
ap-666	161	11	into	into	ADP
ap-666	161	12	local	local	ADJ
ap-666	161	13	queries	query	NOUN
ap-666	161	14	for	for	ADP
ap-666	161	15	xml	xml	NOUN
ap-666	161	16	data	datum	NOUN
ap-666	161	17	sources	source	NOUN
ap-666	161	18	by	by	ADP
ap-666	161	19	looking	look	VERB
ap-666	161	20	up	up	ADP
ap-666	161	21	the	the	DET
ap-666	161	22	corresponding	correspond	VERB
ap-666	161	23	paths	path	NOUN
ap-666	161	24	in	in	ADP
ap-666	161	25	the	the	DET
ap-666	161	26	xml	xml	NOUN
ap-666	161	27	metadata	metadata	NOUN
ap-666	161	28	document	document	NOUN
ap-666	161	29	.	.	PUNCT
ap-666	162	1	26	26	NUM
ap-666	163	1	©	©	PROPN
ap-666	163	2	czech	czech	PROPN
ap-666	163	3	technical	technical	PROPN
ap-666	163	4	university	university	PROPN
ap-666	163	5	publishing	publishing	NOUN
ap-666	163	6	housee	housee	PROPN
ap-666	163	7	http://ctn.cvut.cz/ap/	http://ctn.cvut.cz/ap/	PROPN
ap-666	163	8	acta	acta	PROPN
ap-666	163	9	polytechnica	polytechnica	PROPN
ap-666	163	10	vol	vol	NOUN
ap-666	163	11	.	.	PROPN
ap-666	164	1	45	45	NUM
ap-666	164	2	no	no	NOUN
ap-666	164	3	.	.	PUNCT
ap-666	165	1	1/2005	1/2005	NUM
ap-666	165	2	czech	czech	PROPN
ap-666	165	3	technical	technical	PROPN
ap-666	165	4	university	university	PROPN
ap-666	165	5	in	in	ADP
ap-666	165	6	prague	prague	NOUN
ap-666	165	7	7	7	NUM
ap-666	165	8	conclusion	conclusion	NOUN
ap-666	165	9	in	in	ADP
ap-666	165	10	this	this	DET
ap-666	165	11	paper	paper	NOUN
ap-666	165	12	,	,	PUNCT
ap-666	165	13	we	we	PRON
ap-666	165	14	have	have	AUX
ap-666	165	15	presented	present	VERB
ap-666	165	16	some	some	DET
ap-666	165	17	problems	problem	NOUN
ap-666	165	18	behind	behind	ADP
ap-666	165	19	schema	schema	NOUN
ap-666	165	20	management	management	NOUN
ap-666	165	21	,	,	PUNCT
ap-666	165	22	such	such	ADJ
ap-666	165	23	as	as	ADP
ap-666	165	24	schema	schema	NOUN
ap-666	165	25	matching	matching	NOUN
ap-666	165	26	and	and	CCONJ
ap-666	165	27	schema	schema	NOUN
ap-666	165	28	integration	integration	NOUN
ap-666	165	29	.	.	PUNCT
ap-666	166	1	schema	schema	NOUN
ap-666	166	2	matching	match	VERB
ap-666	166	3	is	be	AUX
ap-666	166	4	a	a	DET
ap-666	166	5	basic	basic	ADJ
ap-666	166	6	problem	problem	NOUN
ap-666	166	7	in	in	ADP
ap-666	166	8	many	many	ADJ
ap-666	166	9	database	database	NOUN
ap-666	166	10	application	application	NOUN
ap-666	166	11	domains	domain	NOUN
ap-666	166	12	.	.	PUNCT
ap-666	167	1	we	we	PRON
ap-666	167	2	have	have	AUX
ap-666	167	3	introduced	introduce	VERB
ap-666	167	4	some	some	PRON
ap-666	167	5	of	of	ADP
ap-666	167	6	the	the	DET
ap-666	167	7	past	past	NOUN
ap-666	167	8	and	and	CCONJ
ap-666	167	9	current	current	ADJ
ap-666	167	10	approaches	approach	NOUN
ap-666	167	11	employed	employ	VERB
ap-666	167	12	to	to	PART
ap-666	167	13	solve	solve	VERB
ap-666	167	14	these	these	DET
ap-666	167	15	problems	problem	NOUN
ap-666	167	16	.	.	PUNCT
ap-666	168	1	finally	finally	ADV
ap-666	168	2	,	,	PUNCT
ap-666	168	3	we	we	PRON
ap-666	168	4	have	have	AUX
ap-666	168	5	described	describe	VERB
ap-666	168	6	a	a	DET
ap-666	168	7	framework	framework	NOUN
ap-666	168	8	for	for	ADP
ap-666	168	9	an	an	DET
ap-666	168	10	xml	xml	NOUN
ap-666	168	11	data	datum	NOUN
ap-666	168	12	integration	integration	NOUN
ap-666	168	13	and	and	CCONJ
ap-666	168	14	querying	query	VERB
ap-666	168	15	system	system	NOUN
ap-666	168	16	.	.	PUNCT
ap-666	169	1	acknowledgements	acknowledgement	NOUN
ap-666	169	2	this	this	DET
ap-666	169	3	work	work	NOUN
ap-666	169	4	supported	support	VERB
ap-666	169	5	in	in	ADP
ap-666	169	6	part	part	NOUN
ap-666	169	7	by	by	ADP
ap-666	169	8	the	the	DET
ap-666	169	9	national	national	ADJ
ap-666	169	10	programme	programme	NOUN
ap-666	169	11	of	of	ADP
ap-666	169	12	research	research	NOUN
ap-666	169	13	(	(	PUNCT
ap-666	169	14	information	information	NOUN
ap-666	169	15	society	society	NOUN
ap-666	169	16	project	project	NOUN
ap-666	169	17	1et100300419	1et100300419	NUM
ap-666	169	18	)	)	PUNCT
ap-666	169	19	.	.	PUNCT
ap-666	170	1	references	reference	NOUN
ap-666	170	2	[	[	X
ap-666	170	3	1	1	NUM
ap-666	170	4	]	]	PUNCT
ap-666	170	5	ahmed	ahmed	PROPN
ap-666	170	6	,	,	PUNCT
ap-666	170	7	r.	r.	PROPN
ap-666	170	8	et	et	PROPN
ap-666	170	9	al	al	PROPN
ap-666	170	10	.	.	PROPN
ap-666	170	11	:	:	PUNCT
ap-666	171	1	“	"	PUNCT
ap-666	171	2	the	the	DET
ap-666	171	3	pegasus	pegasus	PROPN
ap-666	171	4	heterogeneous	heterogeneous	ADJ
ap-666	171	5	multi	multi	ADJ
ap-666	171	6	database	database	NOUN
ap-666	171	7	system	system	NOUN
ap-666	171	8	.	.	PUNCT
ap-666	171	9	”	"	PUNCT
ap-666	171	10	ieee	ieee	NOUN
ap-666	171	11	computer	computer	NOUN
ap-666	171	12	,	,	PUNCT
ap-666	171	13	vol	vol	NOUN
ap-666	171	14	.	.	PROPN
ap-666	171	15	24	24	NUM
ap-666	171	16	,	,	PUNCT
ap-666	171	17	1991	1991	NUM
ap-666	171	18	,	,	PUNCT
ap-666	171	19	p.	p.	NOUN
ap-666	171	20	19–27	19–27	NUM
ap-666	171	21	.	.	PUNCT
ap-666	172	1	[	[	X
ap-666	172	2	2	2	NUM
ap-666	172	3	]	]	X
ap-666	172	4	almarimi	almarimi	ADJ
ap-666	172	5	,	,	PUNCT
ap-666	172	6	a.	a.	PROPN
ap-666	172	7	,	,	PUNCT
ap-666	172	8	pokorný	pokorný	PROPN
ap-666	172	9	,	,	PUNCT
ap-666	172	10	j.	j.	PROPN
ap-666	172	11	:	:	PUNCT
ap-666	172	12	“	"	PUNCT
ap-666	172	13	querying	query	VERB
ap-666	172	14	heterogeneous	heterogeneous	ADJ
ap-666	172	15	distributed	distribute	VERB
ap-666	172	16	xml	xml	NOUN
ap-666	172	17	data	datum	NOUN
ap-666	172	18	.	.	PUNCT
ap-666	172	19	”	"	PUNCT
ap-666	173	1	in	in	ADP
ap-666	173	2	:	:	PUNCT
ap-666	173	3	databases	database	NOUN
ap-666	173	4	and	and	CCONJ
ap-666	173	5	information	information	NOUN
ap-666	173	6	systems	system	NOUN
ap-666	173	7	,	,	PUNCT
ap-666	173	8	int	int	NOUN
ap-666	173	9	.	.	PUNCT
ap-666	174	1	baltic	baltic	ADJ
ap-666	174	2	conf	conf	PROPN
ap-666	174	3	.	.	PUNCT
ap-666	175	1	on	on	ADP
ap-666	175	2	db&is	db&is	PROPN
ap-666	175	3	2004	2004	NUM
ap-666	175	4	,	,	PUNCT
ap-666	175	5	riga	riga	PROPN
ap-666	175	6	,	,	PUNCT
ap-666	175	7	latvia	latvia	PROPN
ap-666	175	8	,	,	PUNCT
ap-666	175	9	acta	acta	PROPN
ap-666	175	10	universitatis	universitatis	PROPN
ap-666	175	11	latviensis	latviensis	NOUN
ap-666	175	12	,	,	PUNCT
ap-666	175	13	latvias	latvias	PROPN
ap-666	175	14	universitate	universitate	NOUN
ap-666	175	15	,	,	PUNCT
ap-666	175	16	2004	2004	NUM
ap-666	175	17	,	,	PUNCT
ap-666	175	18	p.	p.	NOUN
ap-666	176	1	177–191	177–191	NUM
ap-666	176	2	.	.	PUNCT
ap-666	177	1	[	[	X
ap-666	177	2	3	3	NUM
ap-666	177	3	]	]	X
ap-666	177	4	attaluri	attaluri	PROPN
ap-666	177	5	g.	g.	PROPN
ap-666	177	6	et	et	PROPN
ap-666	177	7	al	al	PROPN
ap-666	177	8	.	.	PROPN
ap-666	177	9	:	:	PUNCT
ap-666	177	10	“	"	PUNCT
ap-666	177	11	the	the	DET
ap-666	177	12	cords	cord	NOUN
ap-666	177	13	multidatabase	multidatabase	PROPN
ap-666	177	14	project	project	NOUN
ap-666	177	15	.	.	PUNCT
ap-666	177	16	”	"	PUNCT
ap-666	178	1	ibm	ibm	PROPN
ap-666	178	2	systems	system	NOUN
ap-666	178	3	journal	journal	NOUN
ap-666	178	4	.	.	PUNCT
ap-666	179	1	vol	vol	NOUN
ap-666	179	2	.	.	PUNCT
ap-666	180	1	34	34	NUM
ap-666	180	2	,	,	PUNCT
ap-666	180	3	1995	1995	NUM
ap-666	180	4	,	,	PUNCT
ap-666	180	5	no	no	INTJ
ap-666	180	6	.	.	NOUN
ap-666	180	7	1	1	NUM
ap-666	180	8	,	,	PUNCT
ap-666	180	9	p.	p.	NOUN
ap-666	180	10	39–62	39–62	NUM
ap-666	180	11	.	.	PUNCT
ap-666	181	1	[	[	X
ap-666	181	2	4	4	NUM
ap-666	181	3	]	]	X
ap-666	181	4	berners	berners	PROPN
ap-666	181	5	-	-	PUNCT
ap-666	181	6	lee	lee	PROPN
ap-666	181	7	,	,	PUNCT
ap-666	181	8	t.	t.	PROPN
ap-666	181	9	,	,	PUNCT
ap-666	181	10	hendler	hendler	NOUN
ap-666	181	11	,	,	PUNCT
ap-666	181	12	j.	j.	PROPN
ap-666	181	13	,	,	PUNCT
ap-666	181	14	lassila	lassila	PROPN
ap-666	181	15	,	,	PUNCT
ap-666	181	16	o.	o.	PROPN
ap-666	181	17	:	:	PUNCT
ap-666	181	18	“	"	PUNCT
ap-666	181	19	the	the	DET
ap-666	181	20	semantic	semantic	ADJ
ap-666	181	21	web	web	NOUN
ap-666	181	22	:	:	PUNCT
ap-666	181	23	a	a	DET
ap-666	181	24	new	new	ADJ
ap-666	181	25	form	form	NOUN
ap-666	181	26	of	of	ADP
ap-666	181	27	web	web	NOUN
ap-666	181	28	content	content	NOUN
ap-666	181	29	that	that	PRON
ap-666	181	30	is	be	AUX
ap-666	181	31	meaningful	meaningful	ADJ
ap-666	181	32	to	to	ADP
ap-666	181	33	computers	computer	NOUN
ap-666	181	34	will	will	AUX
ap-666	181	35	unleash	unleash	VERB
ap-666	181	36	a	a	DET
ap-666	181	37	revolution	revolution	NOUN
ap-666	181	38	of	of	ADP
ap-666	181	39	new	new	ADJ
ap-666	181	40	possibilities	possibility	NOUN
ap-666	181	41	.	.	PUNCT
ap-666	181	42	”	"	PUNCT
ap-666	182	1	the	the	DET
ap-666	182	2	scientific	scientific	ADJ
ap-666	182	3	american	american	PROPN
ap-666	182	4	.	.	PUNCT
ap-666	183	1	vol	vol	NOUN
ap-666	183	2	.	.	PROPN
ap-666	183	3	284	284	NUM
ap-666	183	4	,	,	PUNCT
ap-666	183	5	2001	2001	NUM
ap-666	183	6	,	,	PUNCT
ap-666	183	7	p.	p.	NOUN
ap-666	183	8	34–43	34–43	NUM
ap-666	183	9	.	.	PUNCT
ap-666	184	1	[	[	X
ap-666	184	2	5	5	NUM
ap-666	184	3	]	]	X
ap-666	184	4	baru	baru	NOUN
ap-666	184	5	,	,	PUNCT
ap-666	184	6	c.	c.	PROPN
ap-666	184	7	et	et	PROPN
ap-666	184	8	al	al	PROPN
ap-666	184	9	.	.	PROPN
ap-666	184	10	:	:	PUNCT
ap-666	184	11	“	"	PUNCT
ap-666	184	12	xml	xml	NOUN
ap-666	184	13	-	-	PUNCT
ap-666	184	14	based	base	VERB
ap-666	184	15	information	information	NOUN
ap-666	184	16	mediation	mediation	NOUN
ap-666	184	17	with	with	ADP
ap-666	184	18	mix	mix	NOUN
ap-666	184	19	.	.	PUNCT
ap-666	184	20	”	"	PUNCT
ap-666	185	1	in	in	ADP
ap-666	185	2	:	:	PUNCT
ap-666	185	3	proc	proc	NOUN
ap-666	185	4	.	.	PUNCT
ap-666	186	1	of	of	ADP
ap-666	186	2	the	the	DET
ap-666	186	3	acm	acm	PROPN
ap-666	186	4	sigmod	sigmod	PROPN
ap-666	186	5	international	international	ADJ
ap-666	186	6	conference	conference	NOUN
ap-666	186	7	on	on	ADP
ap-666	186	8	management	management	NOUN
ap-666	186	9	of	of	ADP
ap-666	186	10	data	datum	NOUN
ap-666	186	11	,	,	PUNCT
ap-666	186	12	1999	1999	NUM
ap-666	186	13	,	,	PUNCT
ap-666	186	14	p.	p.	NOUN
ap-666	186	15	597–599	597–599	NUM
ap-666	187	1	.	.	PUNCT
ap-666	188	1	[	[	X
ap-666	188	2	6	6	NUM
ap-666	188	3	]	]	X
ap-666	188	4	batini	batini	NOUN
ap-666	188	5	,	,	PUNCT
ap-666	188	6	c.	c.	NOUN
ap-666	188	7	,	,	PUNCT
ap-666	188	8	lenzerini	lenzerini	ADJ
ap-666	188	9	,	,	PUNCT
ap-666	188	10	m.	m.	NOUN
ap-666	188	11	,	,	PUNCT
ap-666	188	12	navathe	navathe	PROPN
ap-666	188	13	,	,	PUNCT
ap-666	188	14	s.	s.	PROPN
ap-666	188	15	:	:	PUNCT
ap-666	188	16	“	"	PUNCT
ap-666	188	17	a	a	DET
ap-666	188	18	comparative	comparative	ADJ
ap-666	188	19	analysis	analysis	NOUN
ap-666	188	20	of	of	ADP
ap-666	188	21	methodologies	methodology	NOUN
ap-666	188	22	for	for	ADP
ap-666	188	23	database	database	NOUN
ap-666	188	24	schema	schema	NOUN
ap-666	188	25	integration	integration	NOUN
ap-666	188	26	.	.	PUNCT
ap-666	188	27	”	"	PUNCT
ap-666	188	28	acm	acm	PROPN
ap-666	188	29	computing	computing	NOUN
ap-666	188	30	surveys	survey	NOUN
ap-666	188	31	.	.	PUNCT
ap-666	189	1	vol	vol	NOUN
ap-666	189	2	.	.	PROPN
ap-666	189	3	18	18	NUM
ap-666	189	4	,	,	PUNCT
ap-666	189	5	1986	1986	NUM
ap-666	189	6	,	,	PUNCT
ap-666	189	7	no	no	INTJ
ap-666	189	8	.	.	NOUN
ap-666	189	9	4	4	NUM
ap-666	189	10	,	,	PUNCT
ap-666	189	11	p.	p.	NOUN
ap-666	189	12	323–364	323–364	NUM
ap-666	189	13	.	.	PUNCT
ap-666	190	1	[	[	X
ap-666	190	2	7	7	NUM
ap-666	190	3	]	]	SYM
ap-666	190	4	benjamins	benjamin	NOUN
ap-666	190	5	,	,	PUNCT
ap-666	190	6	r.	r.	PROPN
ap-666	190	7	,	,	PUNCT
ap-666	190	8	fensel	fensel	PROPN
ap-666	190	9	,	,	PUNCT
ap-666	190	10	d.	d.	PROPN
ap-666	190	11	:	:	PUNCT
ap-666	190	12	“	"	PUNCT
ap-666	190	13	the	the	DET
ap-666	190	14	ontological	ontological	ADJ
ap-666	190	15	engineering	engineering	NOUN
ap-666	190	16	initiative	initiative	NOUN
ap-666	190	17	-	-	PUNCT
ap-666	190	18	ka2	ka2	PROPN
ap-666	190	19	.	.	PUNCT
ap-666	190	20	”	"	PUNCT
ap-666	190	21	in	in	ADP
ap-666	190	22	:	:	PUNCT
ap-666	190	23	proc	proc	NOUN
ap-666	190	24	.	.	PUNCT
ap-666	191	1	of	of	ADP
ap-666	191	2	the	the	DET
ap-666	191	3	1st	1st	ADJ
ap-666	191	4	int	int	NOUN
ap-666	191	5	.	.	PUNCT
ap-666	192	1	conf	conf	PROPN
ap-666	192	2	.	.	PUNCT
ap-666	193	1	on	on	ADP
ap-666	193	2	formal	formal	ADJ
ap-666	193	3	ontologies	ontology	NOUN
ap-666	193	4	in	in	ADP
ap-666	193	5	information	information	NOUN
ap-666	193	6	systems	system	NOUN
ap-666	193	7	,	,	PUNCT
ap-666	193	8	fois’98	fois’98	PROPN
ap-666	193	9	(	(	PUNCT
ap-666	193	10	ed	ed	NOUN
ap-666	193	11	.	.	PUNCT
ap-666	193	12	n.	n.	PROPN
ap-666	193	13	guarino	guarino	PROPN
ap-666	193	14	)	)	PUNCT
ap-666	193	15	,	,	PUNCT
ap-666	193	16	trento	trento	PROPN
ap-666	193	17	,	,	PUNCT
ap-666	193	18	italy	italy	PROPN
ap-666	193	19	,	,	PUNCT
ap-666	193	20	ios	ios	PROPN
ap-666	193	21	press	press	NOUN
ap-666	193	22	,	,	PUNCT
ap-666	193	23	1998	1998	NUM
ap-666	193	24	,	,	PUNCT
ap-666	193	25	p.	p.	NOUN
ap-666	193	26	287–301	287–301	NUM
ap-666	193	27	.	.	PUNCT
ap-666	194	1	[	[	X
ap-666	194	2	8	8	NUM
ap-666	194	3	]	]	X
ap-666	194	4	baru	baru	NOUN
ap-666	194	5	,	,	PUNCT
ap-666	194	6	c.	c.	PROPN
ap-666	194	7	et	et	PROPN
ap-666	194	8	al	al	PROPN
ap-666	194	9	.	.	PROPN
ap-666	194	10	:	:	PUNCT
ap-666	194	11	“	"	PUNCT
ap-666	194	12	xml	xml	NOUN
ap-666	194	13	-	-	PUNCT
ap-666	194	14	based	base	VERB
ap-666	194	15	information	information	NOUN
ap-666	194	16	mediation	mediation	NOUN
ap-666	194	17	with	with	ADP
ap-666	194	18	mix	mix	NOUN
ap-666	194	19	.	.	PUNCT
ap-666	194	20	”	"	PUNCT
ap-666	195	1	in	in	ADP
ap-666	195	2	:	:	PUNCT
ap-666	195	3	proc	proc	NOUN
ap-666	195	4	.	.	PUNCT
ap-666	196	1	of	of	ADP
ap-666	196	2	sigmod’99	sigmod’99	PROPN
ap-666	196	3	,	,	PUNCT
ap-666	196	4	1999	1999	NUM
ap-666	196	5	,	,	PUNCT
ap-666	197	1	p.	p.	NOUN
ap-666	197	2	597–599	597–599	NUM
ap-666	197	3	.	.	PUNCT
ap-666	198	1	[	[	X
ap-666	198	2	9	9	NUM
ap-666	198	3	]	]	SYM
ap-666	198	4	bernstein	bernstein	PROPN
ap-666	198	5	,	,	PUNCT
ap-666	198	6	p.	p.	PROPN
ap-666	198	7	a.	a.	PROPN
ap-666	198	8	,	,	PUNCT
ap-666	198	9	rahm	rahm	PROPN
ap-666	198	10	,	,	PUNCT
ap-666	198	11	e.	e.	PROPN
ap-666	198	12	:	:	PUNCT
ap-666	198	13	“	"	PUNCT
ap-666	198	14	data	data	NOUN
ap-666	198	15	warehouse	warehouse	NOUN
ap-666	198	16	scenarios	scenario	NOUN
ap-666	198	17	for	for	ADP
ap-666	198	18	model	model	NOUN
ap-666	198	19	management	management	NOUN
ap-666	198	20	.	.	PUNCT
ap-666	198	21	”	"	PUNCT
ap-666	199	1	in	in	ADP
ap-666	199	2	:	:	PUNCT
ap-666	199	3	proc	proc	NOUN
ap-666	199	4	.	.	PUNCT
ap-666	200	1	19th	19th	ADJ
ap-666	200	2	int	int	NOUN
ap-666	200	3	.	.	PUNCT
ap-666	200	4	conf	conf	NOUN
ap-666	200	5	.	.	PUNCT
ap-666	201	1	on	on	ADP
ap-666	201	2	entity	entity	NOUN
ap-666	201	3	-	-	PUNCT
ap-666	201	4	relationship	relationship	NOUN
ap-666	201	5	modeling	modeling	NOUN
ap-666	201	6	,	,	PUNCT
ap-666	201	7	lecture	lecture	NOUN
ap-666	201	8	notes	note	NOUN
ap-666	201	9	in	in	ADP
ap-666	201	10	computer	computer	NOUN
ap-666	201	11	science	science	NOUN
ap-666	201	12	,	,	PUNCT
ap-666	201	13	vol	vol	NOUN
ap-666	201	14	.	.	PROPN
ap-666	201	15	1920	1920	NUM
ap-666	201	16	.	.	PUNCT
ap-666	201	17	springer	springer	NOUN
ap-666	201	18	,	,	PUNCT
ap-666	201	19	berlin	berlin	PROPN
ap-666	201	20	heidelberg	heidelberg	PROPN
ap-666	201	21	new	new	PROPN
ap-666	201	22	york	york	PROPN
ap-666	201	23	,	,	PUNCT
ap-666	201	24	2000	2000	NUM
ap-666	201	25	,	,	PUNCT
ap-666	201	26	p.	p.	NOUN
ap-666	201	27	1–15	1–15	NUM
ap-666	201	28	.	.	PUNCT
ap-666	202	1	[	[	X
ap-666	202	2	10	10	NUM
ap-666	202	3	]	]	X
ap-666	202	4	breibart	breibart	NOUN
ap-666	202	5	,	,	PUNCT
ap-666	202	6	y.	y.	PROPN
ap-666	202	7	j.	j.	PROPN
ap-666	202	8	et	et	PROPN
ap-666	202	9	al	al	PROPN
ap-666	202	10	.	.	PROPN
ap-666	202	11	:	:	PUNCT
ap-666	202	12	“	"	PUNCT
ap-666	202	13	database	database	NOUN
ap-666	202	14	integration	integration	NOUN
ap-666	202	15	in	in	ADP
ap-666	202	16	a	a	DET
ap-666	202	17	distributed	distribute	VERB
ap-666	202	18	heterogeneous	heterogeneous	ADJ
ap-666	202	19	database	database	NOUN
ap-666	202	20	system	system	NOUN
ap-666	202	21	.	.	PUNCT
ap-666	202	22	”	"	PUNCT
ap-666	203	1	in	in	ADP
ap-666	203	2	:	:	PUNCT
ap-666	203	3	proc	proc	NOUN
ap-666	203	4	.	.	PUNCT
ap-666	204	1	of	of	ADP
ap-666	204	2	2nd	2nd	ADJ
ap-666	204	3	int	int	NOUN
ap-666	204	4	.	.	PUNCT
ap-666	205	1	ieee	ieee	NOUN
ap-666	205	2	conf	conf	NOUN
ap-666	205	3	.	.	PUNCT
ap-666	206	1	on	on	ADP
ap-666	206	2	data	datum	NOUN
ap-666	206	3	engineering	engineering	NOUN
ap-666	206	4	,	,	PUNCT
ap-666	206	5	los	los	PROPN
ap-666	206	6	angeles	angeles	PROPN
ap-666	206	7	,	,	PUNCT
ap-666	206	8	ca	ca	NOUN
ap-666	206	9	,	,	PUNCT
ap-666	206	10	1986	1986	NUM
ap-666	206	11	.	.	PUNCT
ap-666	207	1	[	[	X
ap-666	207	2	11	11	NUM
ap-666	207	3	]	]	PUNCT
ap-666	207	4	calvanese	calvanese	NOUN
ap-666	207	5	,	,	PUNCT
ap-666	207	6	d.	d.	PROPN
ap-666	207	7	,	,	PUNCT
ap-666	207	8	lembo	lembo	PROPN
ap-666	207	9	,	,	PUNCT
ap-666	207	10	d.	d.	PROPN
ap-666	207	11	,	,	PUNCT
ap-666	207	12	lenzerini	lenzerini	PROPN
ap-666	207	13	,	,	PUNCT
ap-666	207	14	m.	m.	NOUN
ap-666	207	15	:	:	PUNCT
ap-666	207	16	“	"	PUNCT
ap-666	207	17	survey	survey	NOUN
ap-666	207	18	on	on	ADP
ap-666	207	19	methods	method	NOUN
ap-666	207	20	for	for	ADP
ap-666	207	21	query	query	NOUN
ap-666	207	22	rewriting	rewriting	NOUN
ap-666	207	23	and	and	CCONJ
ap-666	207	24	query	query	NOUN
ap-666	207	25	answering	answering	NOUN
ap-666	207	26	views	view	NOUN
ap-666	207	27	.	.	PUNCT
ap-666	207	28	”	"	PUNCT
ap-666	208	1	technical	technical	ADJ
ap-666	208	2	report	report	NOUN
ap-666	208	3	,	,	PUNCT
ap-666	208	4	university	university	NOUN
ap-666	208	5	of	of	ADP
ap-666	208	6	roma	roma	PROPN
ap-666	208	7	,	,	PUNCT
ap-666	208	8	italy	italy	PROPN
ap-666	208	9	,	,	PUNCT
ap-666	208	10	april	april	PROPN
ap-666	208	11	2001	2001	NUM
ap-666	208	12	.	.	PUNCT
ap-666	209	1	[	[	X
ap-666	209	2	12	12	NUM
ap-666	209	3	]	]	X
ap-666	209	4	castano	castano	PROPN
ap-666	209	5	,	,	PUNCT
ap-666	209	6	s.	s.	PROPN
ap-666	209	7	et	et	PROPN
ap-666	209	8	al	al	PROPN
ap-666	209	9	.	.	PROPN
ap-666	209	10	:	:	PUNCT
ap-666	210	1	“	"	PUNCT
ap-666	210	2	global	global	ADJ
ap-666	210	3	view	view	NOUN
ap-666	210	4	of	of	ADP
ap-666	210	5	heterogeneous	heterogeneous	ADJ
ap-666	210	6	data	datum	NOUN
ap-666	210	7	sources	source	NOUN
ap-666	210	8	.	.	PUNCT
ap-666	210	9	”	"	PUNCT
ap-666	211	1	ieee	ieee	PROPN
ap-666	211	2	trans	trans	PROPN
ap-666	211	3	data	data	PROPN
ap-666	211	4	knowledge	knowledge	PROPN
ap-666	211	5	eng	eng	PROPN
ap-666	211	6	.	.	PROPN
ap-666	211	7	vol	vol	NOUN
ap-666	211	8	.	.	PROPN
ap-666	211	9	13	13	NUM
ap-666	211	10	,	,	PUNCT
ap-666	211	11	2001	2001	NUM
ap-666	211	12	,	,	PUNCT
ap-666	211	13	no	no	INTJ
ap-666	211	14	.	.	NOUN
ap-666	211	15	2	2	NUM
ap-666	211	16	,	,	PUNCT
ap-666	211	17	p.	p.	NOUN
ap-666	211	18	277–297	277–297	NUM
ap-666	211	19	.	.	PUNCT
ap-666	212	1	[	[	X
ap-666	212	2	13	13	NUM
ap-666	212	3	]	]	SYM
ap-666	212	4	chawathe	chawathe	NOUN
ap-666	212	5	,	,	PUNCT
ap-666	212	6	s.	s.	PROPN
ap-666	212	7	,	,	PUNCT
ap-666	212	8	et	et	PROPN
ap-666	212	9	al	al	PROPN
ap-666	212	10	.	.	PROPN
ap-666	212	11	:	:	PUNCT
ap-666	212	12	“	"	PUNCT
ap-666	212	13	the	the	DET
ap-666	212	14	tsimmis	tsimmis	PROPN
ap-666	212	15	project	project	NOUN
ap-666	212	16	:	:	PUNCT
ap-666	212	17	integration	integration	NOUN
ap-666	212	18	of	of	ADP
ap-666	212	19	heterogeneous	heterogeneous	ADJ
ap-666	212	20	information	information	NOUN
ap-666	212	21	sources	source	NOUN
ap-666	212	22	.	.	PUNCT
ap-666	212	23	”	"	PUNCT
ap-666	213	1	in	in	ADP
ap-666	213	2	:	:	PUNCT
ap-666	213	3	proc	proc	NOUN
ap-666	213	4	.	.	PUNCT
ap-666	214	1	of	of	ADP
ap-666	214	2	the	the	DET
ap-666	214	3	information	information	NOUN
ap-666	214	4	processing	processing	NOUN
ap-666	214	5	society	society	NOUN
ap-666	214	6	of	of	ADP
ap-666	214	7	japan	japan	PROPN
ap-666	214	8	conference	conference	PROPN
ap-666	214	9	,	,	PUNCT
ap-666	214	10	tokyo	tokyo	PROPN
ap-666	214	11	,	,	PUNCT
ap-666	214	12	japan	japan	PROPN
ap-666	214	13	,	,	PUNCT
ap-666	214	14	1995	1995	NUM
ap-666	214	15	,	,	PUNCT
ap-666	214	16	p.	p.	NOUN
ap-666	214	17	7–18	7–18	NUM
ap-666	214	18	.	.	PUNCT
ap-666	215	1	[	[	X
ap-666	215	2	14	14	NUM
ap-666	215	3	]	]	X
ap-666	215	4	czejdo	czejdo	PROPN
ap-666	215	5	,	,	PUNCT
ap-666	215	6	d.	d.	PROPN
ap-666	215	7	b.	b.	PROPN
ap-666	215	8	,	,	PUNCT
ap-666	215	9	rusinkiewicz	rusinkiewicz	PROPN
ap-666	215	10	,	,	PUNCT
ap-666	215	11	m.	m.	NOUN
ap-666	215	12	,	,	PUNCT
ap-666	215	13	embley	embley	PROPN
ap-666	215	14	,	,	PUNCT
ap-666	215	15	d.	d.	PROPN
ap-666	215	16	:	:	PUNCT
ap-666	215	17	“	"	PUNCT
ap-666	215	18	an	an	DET
ap-666	215	19	approach	approach	NOUN
ap-666	215	20	to	to	AUX
ap-666	215	21	schema	schema	NOUN
ap-666	215	22	integration	integration	NOUN
ap-666	215	23	and	and	CCONJ
ap-666	215	24	query	query	NOUN
ap-666	215	25	formulation	formulation	NOUN
ap-666	215	26	in	in	ADP
ap-666	215	27	federated	federated	ADJ
ap-666	215	28	database	database	NOUN
ap-666	215	29	systems	system	NOUN
ap-666	215	30	.	.	PUNCT
ap-666	215	31	”	"	PUNCT
ap-666	216	1	in	in	ADP
ap-666	216	2	:	:	PUNCT
ap-666	216	3	proc	proc	NOUN
ap-666	216	4	.	.	PUNCT
ap-666	217	1	of	of	ADP
ap-666	217	2	icde	icde	NOUN
ap-666	217	3	,	,	PUNCT
ap-666	217	4	1987	1987	NUM
ap-666	217	5	,	,	PUNCT
ap-666	217	6	p.	p.	NOUN
ap-666	217	7	477–484	477–484	NUM
ap-666	217	8	.	.	PUNCT
ap-666	218	1	©	©	PROPN
ap-666	218	2	czech	czech	PROPN
ap-666	218	3	technical	technical	PROPN
ap-666	218	4	university	university	PROPN
ap-666	218	5	publishing	publishing	NOUN
ap-666	218	6	housee	housee	PROPN
ap-666	218	7	http://ctn.cvut.cz/ap/	http://ctn.cvut.cz/ap/	PROPN
ap-666	218	8	27	27	NUM
ap-666	218	9	czech	czech	PROPN
ap-666	218	10	technical	technical	PROPN
ap-666	218	11	university	university	PROPN
ap-666	218	12	in	in	ADP
ap-666	218	13	prague	prague	PROPN
ap-666	218	14	acta	acta	PROPN
ap-666	218	15	polytechnica	polytechnica	PROPN
ap-666	218	16	vol	vol	NOUN
ap-666	218	17	.	.	PROPN
ap-666	219	1	45	45	NUM
ap-666	219	2	no	no	NOUN
ap-666	219	3	.	.	PUNCT
ap-666	220	1	1/2005	1/2005	NUM
ap-666	220	2	fig	fig	NOUN
ap-666	220	3	.	.	PUNCT
ap-666	221	1	1	1	NUM
ap-666	221	2	:	:	PUNCT
ap-666	221	3	system	system	NOUN
ap-666	221	4	architecture	architecture	NOUN
ap-666	221	5	[	[	X
ap-666	221	6	15	15	NUM
ap-666	221	7	]	]	X
ap-666	221	8	doan	doan	NOUN
ap-666	221	9	,	,	PUNCT
ap-666	221	10	a.	a.	PROPN
ap-666	221	11	h.	h.	PROPN
ap-666	221	12	,	,	PUNCT
ap-666	221	13	domingos	domingos	PROPN
ap-666	221	14	,	,	PUNCT
ap-666	221	15	p.	p.	NOUN
ap-666	221	16	,	,	PUNCT
ap-666	221	17	levy	levy	NOUN
ap-666	221	18	,	,	PUNCT
ap-666	221	19	a.	a.	NOUN
ap-666	221	20	:	:	PUNCT
ap-666	221	21	“	"	PUNCT
ap-666	221	22	learning	learn	VERB
ap-666	221	23	source	source	NOUN
ap-666	221	24	descriptions	description	NOUN
ap-666	221	25	for	for	ADP
ap-666	221	26	data	data	NOUN
ap-666	221	27	integration	integration	NOUN
ap-666	221	28	.	.	PUNCT
ap-666	221	29	”	"	PUNCT
ap-666	222	1	in	in	ADP
ap-666	222	2	:	:	PUNCT
ap-666	222	3	proc	proc	NOUN
ap-666	222	4	.	.	PUNCT
ap-666	223	1	webdb	webdb	VERB
ap-666	223	2	workshop	workshop	NOUN
ap-666	223	3	,	,	PUNCT
ap-666	223	4	2000	2000	NUM
ap-666	223	5	,	,	PUNCT
ap-666	223	6	p.	p.	NOUN
ap-666	223	7	81–92	81–92	NUM
ap-666	223	8	.	.	PUNCT
ap-666	224	1	[	[	X
ap-666	224	2	16	16	NUM
ap-666	224	3	]	]	X
ap-666	224	4	friedman	friedman	PROPN
ap-666	224	5	,	,	PUNCT
ap-666	224	6	m.	m.	NOUN
ap-666	224	7	,	,	PUNCT
ap-666	224	8	levy	levy	NOUN
ap-666	224	9	,	,	PUNCT
ap-666	224	10	a.	a.	NOUN
ap-666	224	11	,	,	PUNCT
ap-666	224	12	millstein	millstein	ADV
ap-666	224	13	,	,	PUNCT
ap-666	224	14	t.	t.	PROPN
ap-666	224	15	:	:	PUNCT
ap-666	224	16	“	"	PUNCT
ap-666	224	17	navigational	navigational	ADJ
ap-666	224	18	plans	plan	NOUN
ap-666	224	19	for	for	ADP
ap-666	224	20	data	data	NOUN
ap-666	224	21	integration	integration	NOUN
ap-666	224	22	.	.	PUNCT
ap-666	224	23	”	"	PUNCT
ap-666	225	1	in	in	ADP
ap-666	225	2	:	:	PUNCT
ap-666	225	3	proc	proc	NOUN
ap-666	225	4	.	.	PUNCT
ap-666	226	1	of	of	ADP
ap-666	226	2	the	the	DET
ap-666	226	3	16th	16th	ADJ
ap-666	226	4	national	national	ADJ
ap-666	226	5	conf	conf	NOUN
ap-666	226	6	.	.	PUNCT
ap-666	227	1	on	on	ADP
ap-666	227	2	aaai	aaai	PROPN
ap-666	227	3	’	’	PROPN
ap-666	227	4	99	99	NUM
ap-666	227	5	,	,	PUNCT
ap-666	227	6	orlando	orlando	PROPN
ap-666	227	7	,	,	PUNCT
ap-666	227	8	florida	florida	PROPN
ap-666	227	9	,	,	PUNCT
ap-666	227	10	1999	1999	NUM
ap-666	227	11	,	,	PUNCT
ap-666	227	12	p.	p.	NOUN
ap-666	227	13	67–73	67–73	NUM
ap-666	227	14	.	.	PUNCT
ap-666	228	1	[	[	X
ap-666	228	2	17	17	NUM
ap-666	228	3	]	]	X
ap-666	228	4	goldman	goldman	PROPN
ap-666	228	5	,	,	PUNCT
ap-666	228	6	r.	r.	PROPN
ap-666	228	7	,	,	PUNCT
ap-666	228	8	widom	widom	NOUN
ap-666	228	9	,	,	PUNCT
ap-666	228	10	j.	j.	PROPN
ap-666	228	11	:	:	PUNCT
ap-666	228	12	“	"	PUNCT
ap-666	228	13	data	datum	NOUN
ap-666	228	14	guides	guide	NOUN
ap-666	228	15	:	:	PUNCT
ap-666	228	16	enabling	enable	VERB
ap-666	228	17	query	query	NOUN
ap-666	228	18	formulation	formulation	NOUN
ap-666	228	19	and	and	CCONJ
ap-666	228	20	optimization	optimization	NOUN
ap-666	228	21	in	in	ADP
ap-666	228	22	semi	semi	ADJ
ap-666	228	23	-	-	ADJ
ap-666	228	24	structured	structured	ADJ
ap-666	228	25	databases	database	NOUN
ap-666	228	26	.	.	PUNCT
ap-666	228	27	”	"	PUNCT
ap-666	229	1	in	in	ADP
ap-666	229	2	:	:	PUNCT
ap-666	229	3	proc	proc	NOUN
ap-666	229	4	.	.	PUNCT
ap-666	230	1	of	of	ADP
ap-666	230	2	23rd	23rd	ADJ
ap-666	230	3	int	int	NOUN
ap-666	230	4	.	.	PUNCT
ap-666	231	1	conf	conf	NOUN
ap-666	231	2	.	.	PUNCT
ap-666	232	1	on	on	ADP
ap-666	232	2	vldb	vldb	PROPN
ap-666	232	3	,	,	PUNCT
ap-666	232	4	athens	athens	PROPN
ap-666	232	5	,	,	PUNCT
ap-666	232	6	greece	greece	PROPN
ap-666	232	7	,	,	PUNCT
ap-666	232	8	1997	1997	NUM
ap-666	232	9	,	,	PUNCT
ap-666	232	10	p.	p.	NOUN
ap-666	232	11	436–445	436–445	NUM
ap-666	232	12	.	.	PUNCT
ap-666	233	1	[	[	X
ap-666	233	2	18	18	NUM
ap-666	233	3	]	]	X
ap-666	233	4	haas	haas	PROPN
ap-666	233	5	,	,	PUNCT
ap-666	233	6	l.	l.	PROPN
ap-666	233	7	et	et	PROPN
ap-666	233	8	al	al	PROPN
ap-666	233	9	.	.	PROPN
ap-666	233	10	:	:	PUNCT
ap-666	233	11	“	"	PUNCT
ap-666	233	12	optimizing	optimize	VERB
ap-666	233	13	queries	query	NOUN
ap-666	233	14	across	across	ADP
ap-666	233	15	diverse	diverse	ADJ
ap-666	233	16	data	datum	NOUN
ap-666	233	17	sources	source	NOUN
ap-666	233	18	.	.	PUNCT
ap-666	233	19	”	"	PUNCT
ap-666	234	1	in	in	ADP
ap-666	234	2	:	:	PUNCT
ap-666	234	3	proc	proc	NOUN
ap-666	234	4	.	.	PUNCT
ap-666	235	1	of	of	ADP
ap-666	235	2	the	the	DET
ap-666	235	3	23rd	23rd	ADJ
ap-666	235	4	int	int	NOUN
ap-666	235	5	.	.	PUNCT
ap-666	236	1	conf	conf	NOUN
ap-666	236	2	.	.	PUNCT
ap-666	237	1	on	on	ADP
ap-666	237	2	vldb	vldb	PROPN
ap-666	237	3	,	,	PUNCT
ap-666	237	4	athens	athens	PROPN
ap-666	237	5	,	,	PUNCT
ap-666	237	6	greece	greece	PROPN
ap-666	237	7	,	,	PUNCT
ap-666	237	8	1997	1997	NUM
ap-666	237	9	,	,	PUNCT
ap-666	237	10	p.	p.	NOUN
ap-666	237	11	276–285	276–285	NUM
ap-666	237	12	.	.	PUNCT
ap-666	238	1	[	[	X
ap-666	238	2	19	19	NUM
ap-666	238	3	]	]	X
ap-666	238	4	halevy	halevy	NOUN
ap-666	238	5	,	,	PUNCT
ap-666	238	6	a.	a.	NOUN
ap-666	238	7	y.	y.	PROPN
ap-666	238	8	:	:	PUNCT
ap-666	238	9	“	"	PUNCT
ap-666	238	10	answering	answer	VERB
ap-666	238	11	queries	query	NOUN
ap-666	238	12	using	use	VERB
ap-666	238	13	views	view	NOUN
ap-666	238	14	:	:	PUNCT
ap-666	238	15	a	a	DET
ap-666	238	16	survey	survey	NOUN
ap-666	238	17	.	.	PUNCT
ap-666	238	18	”	"	PUNCT
ap-666	238	19	vldb	vldb	PROPN
ap-666	238	20	journal	journal	PROPN
ap-666	238	21	.	.	PUNCT
ap-666	239	1	vol	vol	NOUN
ap-666	239	2	.	.	PROPN
ap-666	240	1	10	10	NUM
ap-666	240	2	,	,	PUNCT
ap-666	240	3	no	no	INTJ
ap-666	240	4	.	.	NOUN
ap-666	240	5	4	4	NUM
ap-666	240	6	,	,	PUNCT
ap-666	240	7	december	december	PROPN
ap-666	240	8	,	,	PUNCT
ap-666	240	9	2001	2001	NUM
ap-666	240	10	,	,	PUNCT
ap-666	240	11	p.	p.	NOUN
ap-666	240	12	270–294	270–294	NUM
ap-666	240	13	.	.	PUNCT
ap-666	241	1	[	[	X
ap-666	241	2	20	20	NUM
ap-666	241	3	]	]	PUNCT
ap-666	241	4	hakimpour	hakimpour	NOUN
ap-666	241	5	,	,	PUNCT
ap-666	241	6	f.	f.	PROPN
ap-666	241	7	,	,	PUNCT
ap-666	241	8	geppert	geppert	PROPN
ap-666	241	9	,	,	PUNCT
ap-666	241	10	a.	a.	NOUN
ap-666	241	11	:	:	PUNCT
ap-666	241	12	“	"	PUNCT
ap-666	241	13	resolving	resolve	VERB
ap-666	241	14	semantic	semantic	ADJ
ap-666	241	15	heterogeneity	heterogeneity	NOUN
ap-666	241	16	in	in	ADP
ap-666	241	17	schema	schema	NOUN
ap-666	241	18	integration	integration	NOUN
ap-666	241	19	:	:	PUNCT
ap-666	241	20	an	an	DET
ap-666	241	21	ontology	ontology	NOUN
ap-666	241	22	based	base	VERB
ap-666	241	23	approach	approach	NOUN
ap-666	241	24	.	.	PUNCT
ap-666	241	25	”	"	PUNCT
ap-666	242	1	in	in	ADP
ap-666	242	2	:	:	PUNCT
ap-666	242	3	proc	proc	NOUN
ap-666	242	4	.	.	PUNCT
ap-666	243	1	of	of	ADP
ap-666	243	2	int	int	PROPN
ap-666	243	3	.	.	PUNCT
ap-666	244	1	conf	conf	PROPN
ap-666	244	2	.	.	PUNCT
ap-666	245	1	on	on	ADP
ap-666	245	2	formal	formal	ADJ
ap-666	245	3	ontologies	ontology	NOUN
ap-666	245	4	in	in	ADP
ap-666	245	5	information	information	NOUN
ap-666	245	6	systems	system	NOUN
ap-666	245	7	fois’01	fois’01	PROPN
ap-666	245	8	(	(	PUNCT
ap-666	245	9	eds	ed	NOUN
ap-666	245	10	.	.	PUNCT
ap-666	246	1	ch	ch	NOUN
ap-666	246	2	.	.	PUNCT
ap-666	246	3	welty	welty	PROPN
ap-666	246	4	and	and	CCONJ
ap-666	246	5	b.	b.	PROPN
ap-666	246	6	smith	smith	PROPN
ap-666	246	7	)	)	PUNCT
ap-666	246	8	,	,	PUNCT
ap-666	246	9	new	new	PROPN
ap-666	246	10	york	york	PROPN
ap-666	246	11	,	,	PUNCT
ap-666	246	12	acm	acm	PROPN
ap-666	246	13	press	press	PROPN
ap-666	246	14	,	,	PUNCT
ap-666	246	15	october	october	PROPN
ap-666	246	16	2001	2001	NUM
ap-666	246	17	,	,	PUNCT
ap-666	246	18	p.	p.	NOUN
ap-666	246	19	297–308	297–308	NUM
ap-666	246	20	.	.	PUNCT
ap-666	247	1	[	[	X
ap-666	247	2	21	21	NUM
ap-666	247	3	]	]	X
ap-666	247	4	heflin	heflin	PROPN
ap-666	247	5	,	,	PUNCT
ap-666	247	6	j.	j.	PROPN
ap-666	247	7	,	,	PUNCT
ap-666	247	8	hendler	hendler	PROPN
ap-666	247	9	,	,	PUNCT
ap-666	247	10	j.	j.	PROPN
ap-666	247	11	:	:	PUNCT
ap-666	247	12	“	"	PUNCT
ap-666	247	13	semantic	semantic	ADJ
ap-666	247	14	interoperability	interoperability	NOUN
ap-666	247	15	on	on	ADP
ap-666	247	16	the	the	DET
ap-666	247	17	web	web	NOUN
ap-666	247	18	.	.	PUNCT
ap-666	247	19	”	"	PUNCT
ap-666	247	20	in	in	ADP
ap-666	247	21	:	:	PUNCT
ap-666	247	22	proc	proc	NOUN
ap-666	247	23	.	.	PUNCT
ap-666	247	24	of	of	ADP
ap-666	247	25	extreme	extreme	ADJ
ap-666	247	26	markup	markup	ADJ
ap-666	247	27	languages	language	NOUN
ap-666	247	28	2000	2000	NUM
ap-666	247	29	.	.	PUNCT
ap-666	248	1	graphic	graphic	ADJ
ap-666	248	2	communications	communications	PROPN
ap-666	248	3	association	association	PROPN
ap-666	248	4	,	,	PUNCT
ap-666	248	5	2000	2000	NUM
ap-666	248	6	,	,	PUNCT
ap-666	248	7	p.	p.	NOUN
ap-666	248	8	111–120	111–120	NUM
ap-666	248	9	.	.	PUNCT
ap-666	249	1	[	[	X
ap-666	249	2	22	22	NUM
ap-666	249	3	]	]	X
ap-666	249	4	hull	hull	NOUN
ap-666	249	5	,	,	PUNCT
ap-666	249	6	r.	r.	PROPN
ap-666	249	7	:	:	PUNCT
ap-666	249	8	“	"	PUNCT
ap-666	249	9	managing	manage	VERB
ap-666	249	10	semantic	semantic	ADJ
ap-666	249	11	heterogeneity	heterogeneity	NOUN
ap-666	249	12	in	in	ADP
ap-666	249	13	databases	database	NOUN
ap-666	249	14	:	:	PUNCT
ap-666	249	15	a	a	DET
ap-666	249	16	theoretical	theoretical	ADJ
ap-666	249	17	perspective	perspective	NOUN
ap-666	249	18	.	.	PUNCT
ap-666	249	19	”	"	PUNCT
ap-666	250	1	in	in	ADP
ap-666	250	2	:	:	PUNCT
ap-666	250	3	proc	proc	NOUN
ap-666	250	4	.	.	PUNCT
ap-666	251	1	of	of	ADP
ap-666	251	2	principles	principle	NOUN
ap-666	251	3	of	of	ADP
ap-666	251	4	database	database	NOUN
ap-666	251	5	systems	system	NOUN
ap-666	251	6	(	(	PUNCT
ap-666	251	7	pods’97	pods’97	PROPN
ap-666	251	8	)	)	PUNCT
ap-666	251	9	,	,	PUNCT
ap-666	251	10	tucson	tucson	PROPN
ap-666	251	11	,	,	PUNCT
ap-666	251	12	arizona	arizona	PROPN
ap-666	251	13	,	,	PUNCT
ap-666	251	14	usa	usa	PROPN
ap-666	251	15	,	,	PUNCT
ap-666	251	16	1997	1997	NUM
ap-666	251	17	,	,	PUNCT
ap-666	251	18	p.	p.	NOUN
ap-666	251	19	51–61	51–61	NUM
ap-666	251	20	.	.	PUNCT
ap-666	252	1	[	[	X
ap-666	252	2	23	23	NUM
ap-666	252	3	]	]	X
ap-666	252	4	kashyap	kashyap	PROPN
ap-666	252	5	,	,	PUNCT
ap-666	252	6	v.	v.	PROPN
ap-666	252	7	,	,	PUNCT
ap-666	252	8	sheth	sheth	PROPN
ap-666	252	9	,	,	PUNCT
ap-666	252	10	a.	a.	NOUN
ap-666	252	11	:	:	PUNCT
ap-666	252	12	“	"	PUNCT
ap-666	252	13	semantic	semantic	ADJ
ap-666	252	14	and	and	CCONJ
ap-666	252	15	schematic	schematic	ADJ
ap-666	252	16	similarities	similarity	NOUN
ap-666	252	17	between	between	ADP
ap-666	252	18	database	database	NOUN
ap-666	252	19	objects	object	VERB
ap-666	252	20	:	:	PUNCT
ap-666	252	21	a	a	DET
ap-666	252	22	context	context	NOUN
ap-666	252	23	-	-	PUNCT
ap-666	252	24	based	base	VERB
ap-666	252	25	approach	approach	NOUN
ap-666	252	26	.	.	PUNCT
ap-666	252	27	”	"	PUNCT
ap-666	252	28	vldb	vldb	PROPN
ap-666	252	29	journal	journal	PROPN
ap-666	252	30	.	.	PUNCT
ap-666	253	1	vol	vol	NOUN
ap-666	253	2	.	.	PROPN
ap-666	254	1	5	5	NUM
ap-666	254	2	,	,	PUNCT
ap-666	254	3	no	no	INTJ
ap-666	254	4	.	.	NOUN
ap-666	254	5	4	4	NUM
ap-666	254	6	,	,	PUNCT
ap-666	254	7	1996	1996	NUM
ap-666	254	8	,	,	PUNCT
ap-666	254	9	p.	p.	NOUN
ap-666	254	10	276–304	276–304	NUM
ap-666	254	11	.	.	PUNCT
ap-666	255	1	[	[	X
ap-666	255	2	24	24	NUM
ap-666	255	3	]	]	X
ap-666	255	4	kirk	kirk	NOUN
ap-666	255	5	,	,	PUNCT
ap-666	255	6	t.	t.	PROPN
ap-666	255	7	et	et	PROPN
ap-666	255	8	al	al	PROPN
ap-666	255	9	.	.	PROPN
ap-666	255	10	:	:	PUNCT
ap-666	255	11	“	"	PUNCT
ap-666	255	12	the	the	DET
ap-666	255	13	information	information	NOUN
ap-666	255	14	manifold	manifold	ADJ
ap-666	255	15	.	.	PUNCT
ap-666	255	16	”	"	PUNCT
ap-666	256	1	in	in	ADP
ap-666	256	2	:	:	PUNCT
ap-666	256	3	proc	proc	NOUN
ap-666	256	4	.	.	PUNCT
ap-666	257	1	of	of	ADP
ap-666	257	2	aaai	aaai	PROPN
ap-666	257	3	spring	spring	NOUN
ap-666	257	4	symposium	symposium	NOUN
ap-666	257	5	on	on	ADP
ap-666	257	6	information	information	NOUN
ap-666	257	7	gathering	gathering	NOUN
ap-666	257	8	.	.	PUNCT
ap-666	258	1	aaai	aaai	PROPN
ap-666	258	2	,	,	PUNCT
ap-666	258	3	standford	standford	NOUN
ap-666	258	4	,	,	PUNCT
ap-666	258	5	ca	ca	NOUN
ap-666	258	6	,	,	PUNCT
ap-666	258	7	march	march	PROPN
ap-666	258	8	,	,	PUNCT
ap-666	258	9	1995	1995	NUM
ap-666	258	10	,	,	PUNCT
ap-666	258	11	p.	p.	NOUN
ap-666	258	12	85–91	85–91	NUM
ap-666	258	13	.	.	PUNCT
ap-666	259	1	[	[	X
ap-666	259	2	25	25	NUM
ap-666	259	3	]	]	X
ap-666	259	4	lakshmanan	lakshmanan	PROPN
ap-666	259	5	,	,	PUNCT
ap-666	259	6	l.	l.	PROPN
ap-666	259	7	,	,	PUNCT
ap-666	259	8	sadri	sadri	PROPN
ap-666	259	9	,	,	PUNCT
ap-666	259	10	f.	f.	PROPN
ap-666	259	11	,	,	PUNCT
ap-666	259	12	subramanian	subramanian	PROPN
ap-666	259	13	,	,	PUNCT
ap-666	259	14	i.	i.	PROPN
ap-666	259	15	:	:	PUNCT
ap-666	259	16	“	"	PUNCT
ap-666	259	17	on	on	ADP
ap-666	259	18	the	the	DET
ap-666	259	19	logical	logical	ADJ
ap-666	259	20	foundations	foundation	NOUN
ap-666	259	21	of	of	ADP
ap-666	259	22	schema	schema	NOUN
ap-666	259	23	integration	integration	NOUN
ap-666	259	24	and	and	CCONJ
ap-666	259	25	evoluion	evoluion	NOUN
ap-666	259	26	in	in	ADP
ap-666	259	27	heterogeneous	heterogeneous	ADJ
ap-666	259	28	database	database	NOUN
ap-666	259	29	systems	system	NOUN
ap-666	259	30	.	.	PUNCT
ap-666	259	31	”	"	PUNCT
ap-666	260	1	in	in	ADP
ap-666	260	2	:	:	PUNCT
ap-666	260	3	proc	proc	NOUN
ap-666	260	4	.	.	PROPN
ap-666	261	1	of	of	ADP
ap-666	261	2	dood’93	dood’93	PROPN
ap-666	261	3	,	,	PUNCT
ap-666	261	4	phoenix	phoenix	PROPN
ap-666	261	5	,	,	PUNCT
ap-666	261	6	az	az	PROPN
ap-666	261	7	,	,	PUNCT
ap-666	261	8	1993	1993	NUM
ap-666	261	9	,	,	PUNCT
ap-666	261	10	p.	p.	NOUN
ap-666	261	11	81–100	81–100	NUM
ap-666	261	12	.	.	PUNCT
ap-666	262	1	[	[	X
ap-666	262	2	26	26	NUM
ap-666	262	3	]	]	PUNCT
ap-666	262	4	lenzerini	lenzerini	NOUN
ap-666	262	5	,	,	PUNCT
ap-666	262	6	m.	m.	NOUN
ap-666	262	7	:	:	PUNCT
ap-666	262	8	“	"	PUNCT
ap-666	262	9	data	datum	NOUN
ap-666	262	10	integration	integration	NOUN
ap-666	262	11	:	:	PUNCT
ap-666	262	12	a	a	DET
ap-666	262	13	theoretical	theoretical	ADJ
ap-666	262	14	perspective	perspective	NOUN
ap-666	262	15	.	.	PUNCT
ap-666	262	16	”	"	PUNCT
ap-666	263	1	in	in	ADP
ap-666	263	2	:	:	PUNCT
ap-666	263	3	proc	proc	NOUN
ap-666	263	4	.	.	PUNCT
ap-666	264	1	of	of	ADP
ap-666	264	2	the	the	DET
ap-666	264	3	acm	acm	NOUN
ap-666	264	4	symposium	symposium	NOUN
ap-666	264	5	on	on	ADP
ap-666	264	6	principles	principle	NOUN
ap-666	264	7	of	of	ADP
ap-666	264	8	database	database	NOUN
ap-666	264	9	systems	system	NOUN
ap-666	264	10	,	,	PUNCT
ap-666	264	11	madison	madison	PROPN
ap-666	264	12	,	,	PUNCT
ap-666	264	13	wisconsin	wisconsin	PROPN
ap-666	264	14	,	,	PUNCT
ap-666	264	15	usa	usa	PROPN
ap-666	264	16	,	,	PUNCT
ap-666	264	17	june	june	PROPN
ap-666	264	18	2002	2002	NUM
ap-666	264	19	,	,	PUNCT
ap-666	264	20	p.233–246	p.233–246	PROPN
ap-666	264	21	.	.	PUNCT
ap-666	265	1	[	[	X
ap-666	265	2	27	27	NUM
ap-666	265	3	]	]	X
ap-666	265	4	lim	lim	PROPN
ap-666	265	5	,	,	PUNCT
ap-666	265	6	e.	e.	PROPN
ap-666	265	7	et	et	PROPN
ap-666	265	8	al	al	PROPN
ap-666	265	9	.	.	PROPN
ap-666	265	10	:	:	PUNCT
ap-666	265	11	“	"	PUNCT
ap-666	265	12	entity	entity	NOUN
ap-666	265	13	identification	identification	NOUN
ap-666	265	14	in	in	ADP
ap-666	265	15	database	database	NOUN
ap-666	265	16	integration	integration	NOUN
ap-666	265	17	.	.	PUNCT
ap-666	265	18	”	"	PUNCT
ap-666	266	1	in	in	ADP
ap-666	266	2	:	:	PUNCT
ap-666	266	3	proc	proc	NOUN
ap-666	266	4	.	.	PUNCT
ap-666	267	1	of	of	ADP
ap-666	267	2	int	int	PROPN
ap-666	267	3	.	.	PUNCT
ap-666	268	1	conf	conf	PROPN
ap-666	268	2	.	.	PUNCT
ap-666	269	1	on	on	ADP
ap-666	269	2	data	datum	NOUN
ap-666	269	3	engineering	engineering	NOUN
ap-666	269	4	,	,	PUNCT
ap-666	269	5	los	los	PROPN
ap-666	269	6	alamitos	alamitos	PROPN
ap-666	269	7	,	,	PUNCT
ap-666	269	8	ca	ca	PROPN
ap-666	269	9	.	.	PROPN
ap-666	269	10	,	,	PUNCT
ap-666	269	11	usa	usa	PROPN
ap-666	269	12	,	,	PUNCT
ap-666	269	13	ieee	ieee	NOUN
ap-666	269	14	computer	computer	NOUN
ap-666	269	15	society	society	PROPN
ap-666	269	16	press	press	NOUN
ap-666	269	17	,	,	PUNCT
ap-666	269	18	1993	1993	NUM
ap-666	269	19	,	,	PUNCT
ap-666	269	20	p.	p.	NOUN
ap-666	269	21	294–301	294–301	NUM
ap-666	269	22	.	.	PUNCT
ap-666	270	1	[	[	X
ap-666	270	2	28	28	NUM
ap-666	270	3	]	]	X
ap-666	270	4	mena	mena	PROPN
ap-666	270	5	,	,	PUNCT
ap-666	270	6	e.	e.	PROPN
ap-666	270	7	et	et	PROPN
ap-666	270	8	al	al	PROPN
ap-666	270	9	.	.	PROPN
ap-666	270	10	:	:	PUNCT
ap-666	270	11	“	"	PUNCT
ap-666	270	12	domain	domain	VERB
ap-666	270	13	specific	specific	ADJ
ap-666	270	14	ontologies	ontology	NOUN
ap-666	270	15	for	for	ADP
ap-666	270	16	semantic	semantic	ADJ
ap-666	270	17	information	information	NOUN
ap-666	270	18	brokering	broker	VERB
ap-666	270	19	on	on	ADP
ap-666	270	20	the	the	DET
ap-666	270	21	global	global	ADJ
ap-666	270	22	information	information	NOUN
ap-666	270	23	infrastructure	infrastructure	NOUN
ap-666	270	24	.	.	PUNCT
ap-666	270	25	”	"	PUNCT
ap-666	271	1	in	in	ADP
ap-666	271	2	:	:	PUNCT
ap-666	271	3	proc	proc	NOUN
ap-666	271	4	.	.	PROPN
ap-666	272	1	of	of	ADP
ap-666	272	2	international	international	ADJ
ap-666	272	3	conference	conference	NOUN
ap-666	272	4	on	on	ADP
ap-666	272	5	formal	formal	ADJ
ap-666	272	6	ontologies	ontology	NOUN
ap-666	272	7	in	in	ADP
ap-666	272	8	information	information	NOUN
ap-666	272	9	systems	system	NOUN
ap-666	272	10	,	,	PUNCT
ap-666	272	11	fois’98	fois’98	PROPN
ap-666	272	12	,	,	PUNCT
ap-666	272	13	trento	trento	PROPN
ap-666	272	14	,	,	PUNCT
ap-666	272	15	italy	italy	PROPN
ap-666	272	16	,	,	PUNCT
ap-666	272	17	ios	ios	PROPN
ap-666	272	18	press	press	NOUN
ap-666	272	19	,	,	PUNCT
ap-666	272	20	june	june	PROPN
ap-666	272	21	1998	1998	NUM
ap-666	272	22	,	,	PUNCT
ap-666	272	23	p.	p.	NOUN
ap-666	272	24	269–283	269–283	NUM
ap-666	272	25	.	.	PUNCT
ap-666	273	1	[	[	X
ap-666	273	2	29	29	NUM
ap-666	273	3	]	]	X
ap-666	273	4	milo	milo	PROPN
ap-666	273	5	,	,	PUNCT
ap-666	273	6	t.	t.	PROPN
ap-666	273	7	,	,	PUNCT
ap-666	273	8	zohar	zohar	PROPN
ap-666	273	9	,	,	PUNCT
ap-666	273	10	s.	s.	PROPN
ap-666	273	11	:	:	PUNCT
ap-666	273	12	“	"	PUNCT
ap-666	273	13	using	use	VERB
ap-666	273	14	schema	schema	NOUN
ap-666	273	15	matching	match	VERB
ap-666	273	16	to	to	PART
ap-666	273	17	simplify	simplify	VERB
ap-666	273	18	heterogeneous	heterogeneous	ADJ
ap-666	273	19	data	datum	NOUN
ap-666	273	20	translation	translation	NOUN
ap-666	273	21	.	.	PUNCT
ap-666	273	22	”	"	PUNCT
ap-666	274	1	in	in	ADP
ap-666	274	2	:	:	PUNCT
ap-666	274	3	proc	proc	NOUN
ap-666	274	4	.	.	PUNCT
ap-666	274	5	24th	24th	ADJ
ap-666	274	6	int	int	NOUN
ap-666	274	7	.	.	PUNCT
ap-666	274	8	conf	conf	PROPN
ap-666	274	9	.	.	PUNCT
ap-666	275	1	on	on	ADP
ap-666	275	2	vldb	vldb	NOUN
ap-666	275	3	,	,	PUNCT
ap-666	275	4	1998	1998	NUM
ap-666	275	5	,	,	PUNCT
ap-666	275	6	pp	pp	ADJ
ap-666	275	7	.	.	PUNCT
ap-666	275	8	122	122	NUM
ap-666	275	9	-	-	SYM
ap-666	275	10	133	133	NUM
ap-666	275	11	.	.	PUNCT
ap-666	276	1	[	[	X
ap-666	276	2	30	30	NUM
ap-666	276	3	]	]	X
ap-666	276	4	pepijn	pepijn	NOUN
ap-666	276	5	,	,	PUNCT
ap-666	276	6	r.	r.	PROPN
ap-666	276	7	s.	s.	PROPN
ap-666	276	8	visser	visser	PROPN
ap-666	276	9	et	et	PROPN
ap-666	276	10	al	al	PROPN
ap-666	276	11	:	:	PUNCT
ap-666	276	12	“	"	PUNCT
ap-666	276	13	resolving	resolve	VERB
ap-666	276	14	ontological	ontological	ADJ
ap-666	276	15	heterogeneity	heterogeneity	NOUN
ap-666	276	16	in	in	ADP
ap-666	276	17	the	the	DET
ap-666	276	18	kraft	kraft	NOUN
ap-666	276	19	project	project	NOUN
ap-666	276	20	.	.	PUNCT
ap-666	276	21	”	"	PUNCT
ap-666	277	1	in	in	ADP
ap-666	277	2	:	:	PUNCT
ap-666	277	3	proc	proc	NOUN
ap-666	277	4	.	.	PUNCT
ap-666	278	1	of	of	ADP
ap-666	278	2	10th	10th	ADJ
ap-666	278	3	int	int	NOUN
ap-666	278	4	.	.	PUNCT
ap-666	278	5	conf	conf	NOUN
ap-666	278	6	.	.	PUNCT
ap-666	279	1	on	on	ADP
ap-666	279	2	database	database	NOUN
ap-666	279	3	and	and	CCONJ
ap-666	279	4	expert	expert	NOUN
ap-666	279	5	systems	system	NOUN
ap-666	279	6	applications	application	NOUN
ap-666	279	7	dexa’99	dexa’99	PROPN
ap-666	279	8	.	.	PUNCT
ap-666	280	1	university	university	NOUN
ap-666	280	2	of	of	ADP
ap-666	280	3	florence	florence	PROPN
ap-666	280	4	,	,	PUNCT
ap-666	280	5	italy	italy	PROPN
ap-666	280	6	,	,	PUNCT
ap-666	280	7	august	august	PROPN
ap-666	280	8	1999	1999	NUM
ap-666	280	9	,	,	PUNCT
ap-666	280	10	p.	p.	NOUN
ap-666	280	11	668–677	668–677	NUM
ap-666	280	12	.	.	PUNCT
ap-666	281	1	[	[	X
ap-666	281	2	31	31	NUM
ap-666	281	3	]	]	PUNCT
ap-666	281	4	papakonstantinou	papakonstantinou	NOUN
ap-666	281	5	,	,	PUNCT
ap-666	281	6	y.	y.	PROPN
ap-666	281	7	,	,	PUNCT
ap-666	281	8	garcia	garcia	PROPN
ap-666	281	9	-	-	PUNCT
ap-666	281	10	molina	molina	PROPN
ap-666	281	11	,	,	PUNCT
ap-666	281	12	h.	h.	PROPN
ap-666	281	13	,	,	PUNCT
ap-666	281	14	ullman	ullman	PROPN
ap-666	281	15	,	,	PUNCT
ap-666	281	16	j.	j.	PROPN
ap-666	281	17	:	:	PUNCT
ap-666	281	18	“	"	PUNCT
ap-666	281	19	medmaker	medmaker	NOUN
ap-666	281	20	:	:	PUNCT
ap-666	281	21	a	a	DET
ap-666	281	22	mediation	mediation	NOUN
ap-666	281	23	system	system	NOUN
ap-666	281	24	based	base	VERB
ap-666	281	25	on	on	ADP
ap-666	281	26	declarative	declarative	ADJ
ap-666	281	27	specifications	specification	NOUN
ap-666	281	28	.	.	PUNCT
ap-666	281	29	”	"	PUNCT
ap-666	282	1	in	in	ADP
ap-666	282	2	:	:	PUNCT
ap-666	282	3	proc	proc	NOUN
ap-666	282	4	.	.	PUNCT
ap-666	283	1	of	of	ADP
ap-666	283	2	icde	icde	PROPN
ap-666	283	3	conference	conference	NOUN
ap-666	283	4	,	,	PUNCT
ap-666	283	5	new	new	PROPN
ap-666	283	6	orleans	orleans	PROPN
ap-666	283	7	,	,	PUNCT
ap-666	283	8	feb	feb	PROPN
ap-666	283	9	,	,	PUNCT
ap-666	283	10	1996	1996	NUM
ap-666	283	11	,	,	PUNCT
ap-666	283	12	p.	p.	NOUN
ap-666	283	13	132–141	132–141	NUM
ap-666	283	14	.	.	PUNCT
ap-666	284	1	[	[	X
ap-666	284	2	32	32	NUM
ap-666	284	3	]	]	PUNCT
ap-666	284	4	papakonstantinou	papakonstantinou	NOUN
ap-666	284	5	,	,	PUNCT
ap-666	284	6	y.	y.	PROPN
ap-666	284	7	,	,	PUNCT
ap-666	284	8	garcia	garcia	PROPN
ap-666	284	9	-	-	PUNCT
ap-666	284	10	molina	molina	PROPN
ap-666	284	11	,	,	PUNCT
ap-666	284	12	h.	h.	PROPN
ap-666	284	13	,	,	PUNCT
ap-666	284	14	widom	widom	NOUN
ap-666	284	15	,	,	PUNCT
ap-666	284	16	j.	j.	PROPN
ap-666	284	17	:	:	PUNCT
ap-666	284	18	“	"	PUNCT
ap-666	284	19	object	object	VERB
ap-666	284	20	exchange	exchange	NOUN
ap-666	284	21	across	across	ADP
ap-666	284	22	heterogeneous	heterogeneous	ADJ
ap-666	284	23	information	information	NOUN
ap-666	284	24	sources	source	NOUN
ap-666	284	25	.	.	PUNCT
ap-666	284	26	”	"	PUNCT
ap-666	285	1	in	in	ADP
ap-666	285	2	proc	proc	NOUN
ap-666	285	3	.	.	PUNCT
ap-666	286	1	of	of	ADP
ap-666	286	2	11th	11th	ADJ
ap-666	286	3	int	int	NOUN
ap-666	286	4	.	.	PUNCT
ap-666	287	1	conf	conf	NOUN
ap-666	287	2	.	.	PUNCT
ap-666	288	1	on	on	ADP
ap-666	288	2	data	data	PROPN
ap-666	288	3	engineering	engineering	PROPN
ap-666	288	4	,	,	PUNCT
ap-666	288	5	taipei	taipei	PROPN
ap-666	288	6	,	,	PUNCT
ap-666	288	7	taiwan	taiwan	PROPN
ap-666	288	8	,	,	PUNCT
ap-666	288	9	march	march	PROPN
ap-666	288	10	,	,	PUNCT
ap-666	288	11	1995	1995	NUM
ap-666	288	12	,	,	PUNCT
ap-666	288	13	p.	p.	NOUN
ap-666	288	14	251–260	251–260	NUM
ap-666	288	15	.	.	PUNCT
ap-666	289	1	[	[	X
ap-666	289	2	33	33	NUM
ap-666	289	3	]	]	PUNCT
ap-666	289	4	parent	parent	NOUN
ap-666	289	5	,	,	PUNCT
ap-666	289	6	c.	c.	PROPN
ap-666	289	7	,	,	PUNCT
ap-666	289	8	spaccapietra	spaccapietra	PROPN
ap-666	289	9	,	,	PUNCT
ap-666	289	10	s.	s.	PROPN
ap-666	289	11	:	:	PUNCT
ap-666	289	12	“	"	PUNCT
ap-666	289	13	issues	issue	NOUN
ap-666	289	14	and	and	CCONJ
ap-666	289	15	approaches	approach	NOUN
ap-666	289	16	of	of	ADP
ap-666	289	17	database	database	NOUN
ap-666	289	18	integration	integration	NOUN
ap-666	289	19	.	.	PUNCT
ap-666	289	20	”	"	PUNCT
ap-666	289	21	cacm	cacm	NOUN
ap-666	289	22	,	,	PUNCT
ap-666	289	23	vol	vol	NOUN
ap-666	289	24	.	.	PROPN
ap-666	290	1	41	41	NUM
ap-666	290	2	(	(	PUNCT
ap-666	290	3	1998	1998	NUM
ap-666	290	4	)	)	PUNCT
ap-666	290	5	,	,	PUNCT
ap-666	291	1	no	no	INTJ
ap-666	291	2	.	.	NOUN
ap-666	291	3	5	5	NUM
ap-666	291	4	,	,	PUNCT
ap-666	291	5	p.	p.	NOUN
ap-666	291	6	166–178	166–178	NUM
ap-666	291	7	.	.	PUNCT
ap-666	292	1	[	[	X
ap-666	292	2	34	34	NUM
ap-666	292	3	]	]	X
ap-666	292	4	renee	renee	PROPN
ap-666	292	5	,	,	PUNCT
ap-666	292	6	j.	j.	PROPN
ap-666	292	7	,	,	PUNCT
ap-666	292	8	et	et	PROPN
ap-666	292	9	al	al	PROPN
ap-666	292	10	.	.	PROPN
ap-666	292	11	:	:	PUNCT
ap-666	292	12	“	"	PUNCT
ap-666	292	13	schema	schema	NOUN
ap-666	292	14	mapping	mapping	NOUN
ap-666	292	15	as	as	ADP
ap-666	292	16	query	query	NOUN
ap-666	292	17	discovery	discovery	NOUN
ap-666	292	18	.	.	PUNCT
ap-666	292	19	”	"	PUNCT
ap-666	293	1	in	in	ADP
ap-666	293	2	:	:	PUNCT
ap-666	293	3	prof	prof	NOUN
ap-666	293	4	.	.	PUNCT
ap-666	293	5	26th	26th	ADJ
ap-666	293	6	int	int	NOUN
ap-666	293	7	.	.	PUNCT
ap-666	293	8	conf	conf	NOUN
ap-666	293	9	.	.	PUNCT
ap-666	294	1	on	on	ADP
ap-666	294	2	vldb	vldb	PROPN
ap-666	294	3	cairo	cairo	PROPN
ap-666	294	4	,	,	PUNCT
ap-666	294	5	egypt	egypt	PROPN
ap-666	294	6	,	,	PUNCT
ap-666	294	7	september	september	PROPN
ap-666	294	8	,	,	PUNCT
ap-666	294	9	2000	2000	NUM
ap-666	294	10	,	,	PUNCT
ap-666	294	11	p.	p.	NOUN
ap-666	294	12	77–87	77–87	NUM
ap-666	294	13	.	.	PUNCT
ap-666	295	1	[	[	X
ap-666	295	2	35	35	NUM
ap-666	295	3	]	]	X
ap-666	295	4	sheth	sheth	PROPN
ap-666	295	5	,	,	PUNCT
ap-666	295	6	a.	a.	PROPN
ap-666	295	7	,	,	PUNCT
ap-666	295	8	kashyap	kashyap	PROPN
ap-666	295	9	,	,	PUNCT
ap-666	295	10	v.	v.	ADV
ap-666	295	11	:	:	PUNCT
ap-666	295	12	“	"	PUNCT
ap-666	295	13	so	so	ADV
ap-666	295	14	far	far	ADV
ap-666	295	15	(	(	PUNCT
ap-666	295	16	schematically	schematically	NOUN
ap-666	295	17	)	)	PUNCT
ap-666	295	18	yet	yet	ADV
ap-666	295	19	so	so	ADV
ap-666	295	20	near	near	ADV
ap-666	295	21	(	(	PUNCT
ap-666	295	22	semantically	semantically	ADV
ap-666	295	23	)	)	PUNCT
ap-666	295	24	.	.	PUNCT
ap-666	295	25	”	"	PUNCT
ap-666	296	1	in	in	ADP
ap-666	296	2	:	:	PUNCT
ap-666	296	3	proc	proc	NOUN
ap-666	296	4	.	.	PUNCT
ap-666	297	1	of	of	ADP
ap-666	297	2	the	the	DET
ap-666	297	3	ifip	ifip	NOUN
ap-666	297	4	ds-5	ds-5	NUM
ap-666	297	5	conferences	conference	NOUN
ap-666	297	6	on	on	ADP
ap-666	297	7	semantics	semantic	NOUN
ap-666	297	8	of	of	ADP
ap-666	297	9	interoperable	interoperable	ADJ
ap-666	297	10	database	database	NOUN
ap-666	297	11	systems	system	NOUN
ap-666	297	12	,	,	PUNCT
ap-666	297	13	lorne	lorne	PROPN
ap-666	297	14	,	,	PUNCT
ap-666	297	15	australia	australia	PROPN
ap-666	297	16	,	,	PUNCT
ap-666	297	17	november	november	PROPN
ap-666	297	18	1992	1992	NUM
ap-666	297	19	,	,	PUNCT
ap-666	297	20	p.	p.	NOUN
ap-666	297	21	283–312	283–312	NUM
ap-666	297	22	.	.	PUNCT
ap-666	298	1	[	[	X
ap-666	298	2	36	36	NUM
ap-666	298	3	]	]	X
ap-666	298	4	templeton	templeton	PROPN
ap-666	298	5	,	,	PUNCT
ap-666	298	6	m.	m.	NOUN
ap-666	298	7	et	et	PROPN
ap-666	298	8	al	al	PROPN
ap-666	298	9	.	.	PROPN
ap-666	298	10	:	:	PUNCT
ap-666	298	11	“	"	PUNCT
ap-666	298	12	mermaid	mermaid	NOUN
ap-666	298	13	:	:	PUNCT
ap-666	298	14	a	a	DET
ap-666	298	15	front	front	ADJ
ap-666	298	16	end	end	NOUN
ap-666	298	17	to	to	PART
ap-666	298	18	distribute	distribute	VERB
ap-666	298	19	heterogeneous	heterogeneous	ADJ
ap-666	298	20	databases	database	NOUN
ap-666	298	21	.	.	PUNCT
ap-666	298	22	”	"	PUNCT
ap-666	299	1	in	in	ADP
ap-666	299	2	:	:	PUNCT
ap-666	299	3	proc	proc	NOUN
ap-666	299	4	.	.	PUNCT
ap-666	300	1	of	of	ADP
ap-666	300	2	the	the	DET
ap-666	300	3	ieee	ieee	NOUN
ap-666	300	4	,	,	PUNCT
ap-666	300	5	vol	vol	NOUN
ap-666	300	6	.	.	PROPN
ap-666	300	7	75	75	NUM
ap-666	300	8	(	(	PUNCT
ap-666	300	9	1987	1987	NUM
ap-666	300	10	)	)	PUNCT
ap-666	300	11	,	,	PUNCT
ap-666	300	12	no	no	INTJ
ap-666	300	13	.	.	NOUN
ap-666	300	14	5	5	NUM
ap-666	300	15	,	,	PUNCT
ap-666	300	16	p.	p.	NOUN
ap-666	300	17	695–708	695–708	NUM
ap-666	301	1	.	.	PUNCT
ap-666	302	1	[	[	X
ap-666	302	2	37	37	NUM
ap-666	302	3	]	]	X
ap-666	302	4	ullman	ullman	PROPN
ap-666	302	5	,	,	PUNCT
ap-666	302	6	j.	j.	PROPN
ap-666	302	7	:	:	PUNCT
ap-666	302	8	“	"	PUNCT
ap-666	302	9	information	information	NOUN
ap-666	302	10	integration	integration	NOUN
ap-666	302	11	using	use	VERB
ap-666	302	12	logical	logical	ADJ
ap-666	302	13	views	view	NOUN
ap-666	302	14	.	.	PUNCT
ap-666	302	15	”	"	PUNCT
ap-666	303	1	in	in	ADP
ap-666	303	2	proc	proc	NOUN
ap-666	303	3	.	.	PUNCT
ap-666	304	1	of	of	ADP
ap-666	304	2	the	the	DET
ap-666	304	3	int	int	NOUN
ap-666	304	4	.	.	PUNCT
ap-666	305	1	conf	conf	PROPN
ap-666	305	2	.	.	PUNCT
ap-666	306	1	on	on	ADP
ap-666	306	2	database	database	PROPN
ap-666	306	3	theory	theory	NOUN
ap-666	306	4	,	,	PUNCT
ap-666	306	5	1997	1997	NUM
ap-666	306	6	,	,	PUNCT
ap-666	306	7	p.	p.	NOUN
ap-666	306	8	19–40	19–40	NUM
ap-666	306	9	.	.	PUNCT
ap-666	307	1	[	[	X
ap-666	307	2	38	38	NUM
ap-666	307	3	]	]	X
ap-666	307	4	wang	wang	PROPN
ap-666	307	5	,	,	PUNCT
ap-666	307	6	q.	q.	PROPN
ap-666	307	7	,	,	PUNCT
ap-666	307	8	wong	wong	PROPN
ap-666	307	9	,	,	PUNCT
ap-666	307	10	k.	k.	PROPN
ap-666	307	11	:	:	PUNCT
ap-666	307	12	“	"	PUNCT
ap-666	307	13	approximate	approximate	ADJ
ap-666	307	14	graph	graph	NOUN
ap-666	307	15	schema	schema	NOUN
ap-666	307	16	extraction	extraction	NOUN
ap-666	307	17	for	for	ADP
ap-666	307	18	semi	semi	ADJ
ap-666	307	19	-	-	ADJ
ap-666	307	20	structured	structured	ADJ
ap-666	307	21	data	datum	NOUN
ap-666	307	22	.	.	PUNCT
ap-666	307	23	”	"	PUNCT
ap-666	308	1	in	in	ADP
ap-666	308	2	:	:	PUNCT
ap-666	308	3	proc	proc	NOUN
ap-666	308	4	.	.	PUNCT
ap-666	308	5	extended	extend	VERB
ap-666	308	6	database	database	NOUN
ap-666	308	7	technologies	technology	NOUN
ap-666	308	8	,	,	PUNCT
ap-666	308	9	lecture	lecture	NOUN
ap-666	308	10	notes	note	NOUN
ap-666	308	11	in	in	ADP
ap-666	308	12	computer	computer	NOUN
ap-666	308	13	science	science	NOUN
ap-666	308	14	,	,	PUNCT
ap-666	308	15	vol	vol	NOUN
ap-666	308	16	.	.	PROPN
ap-666	308	17	1777	1777	NUM
ap-666	308	18	.	.	PUNCT
ap-666	309	1	springer	springer	NOUN
ap-666	309	2	,	,	PUNCT
ap-666	309	3	berlin	berlin	PROPN
ap-666	309	4	heidelberg	heidelberg	PROPN
ap-666	309	5	new	new	PROPN
ap-666	309	6	york	york	PROPN
ap-666	309	7	,	,	PUNCT
ap-666	309	8	2000	2000	NUM
ap-666	309	9	,	,	PUNCT
ap-666	309	10	p.	p.	NOUN
ap-666	309	11	302–316	302–316	NUM
ap-666	309	12	.	.	PUNCT
ap-666	310	1	[	[	X
ap-666	310	2	39	39	NUM
ap-666	310	3	]	]	PUNCT
ap-666	310	4	wiederhold	wiederhold	VERB
ap-666	310	5	,	,	PUNCT
ap-666	310	6	g.	g.	PROPN
ap-666	310	7	:	:	PUNCT
ap-666	310	8	“	"	PUNCT
ap-666	310	9	mediators	mediator	NOUN
ap-666	310	10	in	in	ADP
ap-666	310	11	the	the	DET
ap-666	310	12	architecture	architecture	NOUN
ap-666	310	13	of	of	ADP
ap-666	310	14	future	future	ADJ
ap-666	310	15	information	information	NOUN
ap-666	310	16	systems	system	NOUN
ap-666	310	17	.	.	PUNCT
ap-666	310	18	”	"	PUNCT
ap-666	310	19	ieee	ieee	NOUN
ap-666	310	20	computer	computer	NOUN
ap-666	310	21	,	,	PUNCT
ap-666	310	22	vol	vol	NOUN
ap-666	310	23	.	.	PROPN
ap-666	310	24	25	25	NUM
ap-666	310	25	,	,	PUNCT
ap-666	310	26	no	no	INTJ
ap-666	310	27	.	.	NOUN
ap-666	310	28	3	3	NUM
ap-666	310	29	,	,	PUNCT
ap-666	310	30	march	march	PROPN
ap-666	310	31	1992	1992	NUM
ap-666	310	32	,	,	PUNCT
ap-666	310	33	p.	p.	NOUN
ap-666	310	34	38–49	38–49	NUM
ap-666	310	35	.	.	PUNCT
ap-666	311	1	abdelsalam	abdelsalam	PROPN
ap-666	311	2	almarimi	almarimi	PROPN
ap-666	311	3	,	,	PUNCT
ap-666	311	4	msc	msc	PROPN
ap-666	311	5	.	.	PUNCT
ap-666	312	1	e	e	X
ap-666	312	2	-	-	NOUN
ap-666	312	3	mail	mail	NOUN
ap-666	312	4	:	:	PUNCT
ap-666	312	5	belgasem_2000@yahoo.com	belgasem_2000@yahoo.com	X
ap-666	312	6	department	department	NOUN
ap-666	312	7	of	of	ADP
ap-666	312	8	computers	computer	NOUN
ap-666	312	9	czech	czech	PROPN
ap-666	312	10	technical	technical	PROPN
ap-666	312	11	university	university	PROPN
ap-666	312	12	faculty	faculty	NOUN
ap-666	312	13	of	of	ADP
ap-666	312	14	electrical	electrical	ADJ
ap-666	312	15	engineering	engineering	NOUN
ap-666	312	16	karlovo	karlovo	PROPN
ap-666	312	17	nám	nám	PROPN
ap-666	312	18	.	.	PUNCT
ap-666	313	1	13	13	NUM
ap-666	313	2	121	121	NUM
ap-666	313	3	35	35	NUM
ap-666	313	4	praha	praha	NOUN
ap-666	313	5	2	2	NUM
ap-666	313	6	,	,	PUNCT
ap-666	313	7	czech	czech	PROPN
ap-666	313	8	republic	republic	PROPN
ap-666	313	9	prof	prof	PROPN
ap-666	313	10	.	.	PUNCT
ap-666	314	1	rndr	rndr	PROPN
ap-666	314	2	.	.	PUNCT
ap-666	315	1	jaroslav	jaroslav	PROPN
ap-666	315	2	pokorný	pokorný	PROPN
ap-666	315	3	,	,	PUNCT
ap-666	315	4	csc	csc	PROPN
ap-666	315	5	.	.	PUNCT
ap-666	316	1	e	e	X
ap-666	316	2	-	-	NOUN
ap-666	316	3	mail	mail	NOUN
ap-666	316	4	:	:	PUNCT
ap-666	316	5	pokorny@ksi.ms.mff.cuni.cz	pokorny@ksi.ms.mff.cuni.cz	VERB
ap-666	316	6	department	department	PROPN
ap-666	316	7	of	of	ADP
ap-666	316	8	software	software	PROPN
ap-666	316	9	engineering	engineering	PROPN
ap-666	316	10	charles	charles	PROPN
ap-666	316	11	university	university	PROPN
ap-666	316	12	faculty	faculty	NOUN
ap-666	316	13	of	of	ADP
ap-666	316	14	mathematics	mathematics	PROPN
ap-666	316	15	and	and	CCONJ
ap-666	316	16	physics	physics	PROPN
ap-666	316	17	malostranské	malostranské	PROPN
ap-666	316	18	nám	nám	PROPN
ap-666	316	19	.	.	PUNCT
ap-666	317	1	25	25	NUM
ap-666	317	2	118	118	NUM
ap-666	317	3	00	00	NUM
ap-666	317	4	praha	praha	PROPN
ap-666	317	5	1	1	NUM
ap-666	317	6	,	,	PUNCT
ap-666	317	7	czech	czech	PROPN
ap-666	317	8	republic	republic	NOUN
ap-666	317	9	28	28	NUM
ap-666	318	1	©	©	PROPN
ap-666	318	2	czech	czech	PROPN
ap-666	318	3	technical	technical	PROPN
ap-666	318	4	university	university	PROPN
ap-666	318	5	publishing	publishing	NOUN
ap-666	318	6	housee	housee	PROPN
ap-666	318	7	http://ctn.cvut.cz/ap/	http://ctn.cvut.cz/ap/	PROPN
ap-666	318	8	acta	acta	PROPN
ap-666	318	9	polytechnica	polytechnica	PROPN
ap-666	318	10	vol	vol	NOUN
ap-666	318	11	.	.	PROPN
ap-666	319	1	45	45	NUM
ap-666	319	2	no	no	NOUN
ap-666	319	3	.	.	PUNCT
ap-666	320	1	1/2005	1/2005	NUM
ap-666	320	2	czech	czech	PROPN
ap-666	320	3	technical	technical	PROPN
ap-666	320	4	university	university	PROPN
ap-666	320	5	in	in	ADP
ap-666	320	6	prague	prague	NOUN