The first demonstrates the validity and utility of the crawler by collecting census data for the field of computer science and comparing it to a hand-curated census, collected in 2011 [19].
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	2:det	Bridge=203<204|Discourse=elaboration-additional:101->100:0|Entity=(204-abstract-acc:inf-cf5-2-sgl
2	first	first	ADJ	JJ	Degree=Pos|NumType=Ord	3	nsubj	3:nsubj	Entity=204)
3	demonstrates	demonstrate	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	0:root	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	5:det	Entity=(205-abstract-new-cf6-2,4-sgl
5	validity	validity	NOUN	NN	Number=Sing	3	obj	3:obj	_
6	and	and	CCONJ	CC	_	7	cc	7:cc	_
7	utility	utility	NOUN	NN	Number=Sing	5	conj	3:obj|5:conj:and	_
8	of	of	ADP	IN	_	10	case	10:case	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	10:det	Entity=(164-abstract-giv:inact-cf2-2-coref
10	crawler	crawler	NOUN	NN	Number=Sing	5	nmod	5:nmod:of	Entity=164)205)
11	by	by	SCONJ	IN	_	12	mark	12:mark	Discourse=explanation-justify:102->101:0
12	collecting	collect	VERB	VBG	VerbForm=Ger	3	advcl	3:advcl:by	_
13	census	census	NOUN	NN	Number=Sing	14	compound	14:compound	Entity=(206-abstract-new-cf1-2-coref
14	data	datum	NOUN	NNS	Number=Plur	12	obj	12:obj	Entity=206)
15	for	for	ADP	IN	_	17	case	17:case	_
16	the	the	DET	DT	Definite=Def|PronType=Art	17	det	17:det	Entity=(47-abstract-giv:inact-cf3-2-coref
17	field	field	NOUN	NN	Number=Sing	12	obl	12:obl:for	_
18	of	of	ADP	IN	_	20	case	20:case	_
19	computer	computer	NOUN	NN	Number=Sing	20	compound	20:compound	_
20	science	science	NOUN	NN	Number=Sing	17	nmod	17:nmod:of	Entity=47)
21	and	and	CCONJ	CC	_	22	cc	22:cc	Discourse=joint-sequence_m:103->102:0
22	comparing	compare	VERB	VBG	VerbForm=Ger	12	conj	3:advcl:by|12:conj:and	_
23	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	22	obj	22:obj	Entity=(206-abstract-giv:act-cf1-1-ana)
24	to	to	ADP	IN	_	29	case	29:case	_
25	a	a	DET	DT	Definite=Ind|PronType=Art	29	det	29:det	Entity=(207-abstract-new-cf7-5-sgl
26	hand	hand	NOUN	NN	Number=Sing	28	compound	28:compound	SpaceAfter=No|XML=<w>
27	-	-	PUNCT	HYPH	_	26	punct	26:punct	SpaceAfter=No
28	curated	curate	VERB	VBN	Tense=Past|VerbForm=Part	29	amod	29:amod	XML=</w>
29	census	census	NOUN	NN	Number=Sing	22	obl	22:obl:to	SpaceAfter=No
30	,	,	PUNCT	,	_	31	punct	31:punct	_
31	collected	collect	VERB	VBN	Tense=Past|VerbForm=Part	29	acl	29:acl	Discourse=elaboration-attribute:104->103:0
32	in	in	ADP	IN	_	33	case	33:case	_
33	2011	2011	NUM	CD	NumForm=Digit|NumType=Card	31	obl	31:obl:in	Entity=(208-time-new-cf8-1-coref)207)|XML=<date when:::"2011"></date>
34	[	[	PUNCT	-LRB-	_	35	punct	35:punct	Discourse=explanation-evidence:105->104:0|SpaceAfter=No
35	19	19	NUM	CD	NumForm=Digit|NumType=Card	29	dep	29:dep	Entity=(105-abstract-giv:inact-cf4-1-coref)|SpaceAfter=No|XML=<ref></ref>
36	]	]	PUNCT	-RRB-	_	35	punct	35:punct	SpaceAfter=No
37	.	.	PUNCT	.	_	3	punct	3:punct	_
