id	sid	tid	token	lemma	pos
41687h16709	1	1	large	large	ADJ
41687h16709	1	2	systems	system	NOUN
41687h16709	1	3	in	in	ADP
41687h16709	1	4	nature	nature	NOUN
41687h16709	1	5	and	and	CCONJ
41687h16709	1	6	civilization	civilization	NOUN
41687h16709	1	7	share	share	VERB
41687h16709	1	8	some	some	DET
41687h16709	1	9	important	important	ADJ
41687h16709	1	10	organizing	organizing	NOUN
41687h16709	1	11	principles	principle	NOUN
41687h16709	1	12	uncovered	uncover	VERB
41687h16709	1	13	in	in	ADP
41687h16709	1	14	the	the	DET
41687h16709	1	15	framework	framework	NOUN
41687h16709	1	16	of	of	ADP
41687h16709	1	17	complex	complex	ADJ
41687h16709	1	18	network	network	NOUN
41687h16709	1	19	research	research	NOUN
41687h16709	1	20	.	.	PUNCT
41687h16709	2	1	here	here	ADV
41687h16709	2	2	we	we	PRON
41687h16709	2	3	aim	aim	VERB
41687h16709	2	4	to	to	PART
41687h16709	2	5	present	present	VERB
41687h16709	2	6	a	a	DET
41687h16709	2	7	few	few	ADJ
41687h16709	2	8	advances	advance	NOUN
41687h16709	2	9	in	in	ADP
41687h16709	2	10	understanding	understand	VERB
41687h16709	2	11	the	the	DET
41687h16709	2	12	generic	generic	ADJ
41687h16709	2	13	topological	topological	ADJ
41687h16709	2	14	characteristics	characteristic	NOUN
41687h16709	2	15	of	of	ADP
41687h16709	2	16	these	these	DET
41687h16709	2	17	systems	system	NOUN
41687h16709	2	18	.	.	PUNCT
41687h16709	3	1	we	we	PRON
41687h16709	3	2	start	start	VERB
41687h16709	3	3	with	with	ADP
41687h16709	3	4	an	an	DET
41687h16709	3	5	introduction	introduction	NOUN
41687h16709	3	6	to	to	ADP
41687h16709	3	7	basic	basic	ADJ
41687h16709	3	8	concepts	concept	NOUN
41687h16709	3	9	of	of	ADP
41687h16709	3	10	network	network	NOUN
41687h16709	3	11	research	research	NOUN
41687h16709	3	12	,	,	PUNCT
41687h16709	3	13	continuing	continue	VERB
41687h16709	3	14	with	with	ADP
41687h16709	3	15	a	a	DET
41687h16709	3	16	repertoire	repertoire	NOUN
41687h16709	3	17	of	of	ADP
41687h16709	3	18	well	well	ADV
41687h16709	3	19	studied	study	VERB
41687h16709	3	20	network	network	NOUN
41687h16709	3	21	examples	example	NOUN
41687h16709	3	22	and	and	CCONJ
41687h16709	3	23	a	a	DET
41687h16709	3	24	brief	brief	ADJ
41687h16709	3	25	history	history	NOUN
41687h16709	3	26	of	of	ADP
41687h16709	3	27	previous	previous	ADJ
41687h16709	3	28	modelling	modelling	NOUN
41687h16709	3	29	efforts	effort	NOUN
41687h16709	3	30	.	.	PUNCT
41687h16709	4	1	next	next	ADV
41687h16709	4	2	,	,	PUNCT
41687h16709	4	3	we	we	PRON
41687h16709	4	4	present	present	VERB
41687h16709	4	5	a	a	DET
41687h16709	4	6	detailed	detailed	ADJ
41687h16709	4	7	investigation	investigation	NOUN
41687h16709	4	8	of	of	ADP
41687h16709	4	9	scientific	scientific	ADJ
41687h16709	4	10	collaboration	collaboration	NOUN
41687h16709	4	11	networks	network	NOUN
41687h16709	4	12	,	,	PUNCT
41687h16709	4	13	with	with	ADP
41687h16709	4	14	special	special	ADJ
41687h16709	4	15	focus	focus	NOUN
41687h16709	4	16	on	on	ADP
41687h16709	4	17	the	the	DET
41687h16709	4	18	role	role	NOUN
41687h16709	4	19	of	of	ADP
41687h16709	4	20	internal	internal	ADJ
41687h16709	4	21	links	link	NOUN
41687h16709	4	22	in	in	ADP
41687h16709	4	23	determining	determine	VERB
41687h16709	4	24	the	the	DET
41687h16709	4	25	networks	network	NOUN
41687h16709	4	26	's	's	PART
41687h16709	4	27	scaling	scale	VERB
41687h16709	4	28	properties	property	NOUN
41687h16709	4	29	,	,	PUNCT
41687h16709	4	30	and	and	CCONJ
41687h16709	4	31	on	on	ADP
41687h16709	4	32	limitations	limitation	NOUN
41687h16709	4	33	of	of	ADP
41687h16709	4	34	certain	certain	ADJ
41687h16709	4	35	measurements	measurement	NOUN
41687h16709	4	36	imposed	impose	VERB
41687h16709	4	37	by	by	ADP
41687h16709	4	38	the	the	DET
41687h16709	4	39	database	database	NOUN
41687h16709	4	40	.	.	PUNCT
41687h16709	5	1	many	many	ADJ
41687h16709	5	2	real	real	ADJ
41687h16709	5	3	networks	network	NOUN
41687h16709	5	4	in	in	ADP
41687h16709	5	5	nature	nature	NOUN
41687h16709	5	6	and	and	CCONJ
41687h16709	5	7	society	society	NOUN
41687h16709	5	8	share	share	VERB
41687h16709	5	9	two	two	NUM
41687h16709	5	10	generic	generic	ADJ
41687h16709	5	11	properties	property	NOUN
41687h16709	5	12	:	:	PUNCT
41687h16709	5	13	they	they	PRON
41687h16709	5	14	are	be	AUX
41687h16709	5	15	scale	scale	NOUN
41687h16709	5	16	free	free	ADJ
41687h16709	5	17	and	and	CCONJ
41687h16709	5	18	they	they	PRON
41687h16709	5	19	display	display	VERB
41687h16709	5	20	a	a	DET
41687h16709	5	21	high	high	ADJ
41687h16709	5	22	degree	degree	NOUN
41687h16709	5	23	of	of	ADP
41687h16709	5	24	lustering	lustere	VERB
41687h16709	5	25	.	.	PUNCT
41687h16709	6	1	we	we	PRON
41687h16709	6	2	show	show	VERB
41687h16709	6	3	that	that	SCONJ
41687h16709	6	4	the	the	DET
41687h16709	6	5	scale	scale	NOUN
41687h16709	6	6	free	free	ADJ
41687h16709	6	7	nature	nature	NOUN
41687h16709	6	8	and	and	CCONJ
41687h16709	6	9	high	high	ADJ
41687h16709	6	10	clustering	clustering	NOUN
41687h16709	6	11	of	of	ADP
41687h16709	6	12	real	real	ADJ
41687h16709	6	13	networks	network	NOUN
41687h16709	6	14	are	be	AUX
41687h16709	6	15	the	the	DET
41687h16709	6	16	consequence	consequence	NOUN
41687h16709	6	17	of	of	ADP
41687h16709	6	18	a	a	DET
41687h16709	6	19	hierarchical	hierarchical	ADJ
41687h16709	6	20	organization	organization	NOUN
41687h16709	6	21	,	,	PUNCT
41687h16709	6	22	implying	imply	VERB
41687h16709	6	23	that	that	SCONJ
41687h16709	6	24	small	small	ADJ
41687h16709	6	25	groups	group	NOUN
41687h16709	6	26	of	of	ADP
41687h16709	6	27	nodes	node	NOUN
41687h16709	6	28	form	form	VERB
41687h16709	6	29	increasingly	increasingly	ADV
41687h16709	6	30	large	large	ADJ
41687h16709	6	31	groups	group	NOUN
41687h16709	6	32	in	in	ADP
41687h16709	6	33	a	a	DET
41687h16709	6	34	hierarchical	hierarchical	ADJ
41687h16709	6	35	manner	manner	NOUN
41687h16709	6	36	,	,	PUNCT
41687h16709	6	37	while	while	SCONJ
41687h16709	6	38	maintaining	maintain	VERB
41687h16709	6	39	a	a	DET
41687h16709	6	40	scale	scale	NOUN
41687h16709	6	41	free	free	ADJ
41687h16709	6	42	topology	topology	NOUN
41687h16709	6	43	.	.	PUNCT
41687h16709	7	1	in	in	ADP
41687h16709	7	2	hierarchical	hierarchical	ADJ
41687h16709	7	3	networks	network	NOUN
41687h16709	7	4	the	the	DET
41687h16709	7	5	clustering	clustering	NOUN
41687h16709	7	6	coefficient	coefficient	NOUN
41687h16709	7	7	follows	follow	VERB
41687h16709	7	8	a	a	DET
41687h16709	7	9	strict	strict	ADJ
41687h16709	7	10	scaling	scaling	NOUN
41687h16709	7	11	law	law	NOUN
41687h16709	7	12	,	,	PUNCT
41687h16709	7	13	which	which	PRON
41687h16709	7	14	can	can	AUX
41687h16709	7	15	be	be	AUX
41687h16709	7	16	used	use	VERB
41687h16709	7	17	to	to	PART
41687h16709	7	18	identify	identify	VERB
41687h16709	7	19	the	the	DET
41687h16709	7	20	presence	presence	NOUN
41687h16709	7	21	of	of	ADP
41687h16709	7	22	a	a	DET
41687h16709	7	23	hierarchical	hierarchical	ADJ
41687h16709	7	24	organization	organization	NOUN
41687h16709	7	25	in	in	ADP
41687h16709	7	26	real	real	ADJ
41687h16709	7	27	networks	network	NOUN
41687h16709	7	28	.	.	PUNCT
41687h16709	8	1	we	we	PRON
41687h16709	8	2	find	find	VERB
41687h16709	8	3	that	that	SCONJ
41687h16709	8	4	several	several	ADJ
41687h16709	8	5	real	real	ADJ
41687h16709	8	6	networks	network	NOUN
41687h16709	8	7	,	,	PUNCT
41687h16709	8	8	such	such	ADJ
41687h16709	8	9	as	as	ADP
41687h16709	8	10	the	the	DET
41687h16709	8	11	world	world	NOUN
41687h16709	8	12	wide	wide	PROPN
41687h16709	8	13	web	web	NOUN
41687h16709	8	14	,	,	PUNCT
41687h16709	8	15	actor	actor	NOUN
41687h16709	8	16	network	network	NOUN
41687h16709	8	17	,	,	PUNCT
41687h16709	8	18	the	the	DET
41687h16709	8	19	internet	internet	NOUN
41687h16709	8	20	at	at	ADP
41687h16709	8	21	the	the	DET
41687h16709	8	22	domain	domain	NOUN
41687h16709	8	23	level	level	NOUN
41687h16709	8	24	and	and	CCONJ
41687h16709	8	25	the	the	DET
41687h16709	8	26	semantic	semantic	ADJ
41687h16709	8	27	web	web	NOUN
41687h16709	8	28	obey	obey	VERB
41687h16709	8	29	this	this	DET
41687h16709	8	30	scaling	scaling	NOUN
41687h16709	8	31	law	law	NOUN
41687h16709	8	32	,	,	PUNCT
41687h16709	8	33	indicating	indicate	VERB
41687h16709	8	34	that	that	SCONJ
41687h16709	8	35	hierarchy	hierarchy	NOUN
41687h16709	8	36	is	be	AUX
41687h16709	8	37	a	a	DET
41687h16709	8	38	fundamental	fundamental	ADJ
41687h16709	8	39	characteristic	characteristic	NOUN
41687h16709	8	40	of	of	ADP
41687h16709	8	41	many	many	ADJ
41687h16709	8	42	complex	complex	ADJ
41687h16709	8	43	systems	system	NOUN
41687h16709	8	44	.	.	PUNCT
41687h16709	9	1	we	we	PRON
41687h16709	9	2	then	then	ADV
41687h16709	9	3	focus	focus	VERB
41687h16709	9	4	on	on	ADP
41687h16709	9	5	the	the	DET
41687h16709	9	6	metabolic	metabolic	ADJ
41687h16709	9	7	network	network	NOUN
41687h16709	9	8	of	of	ADP
41687h16709	9	9	43	43	NUM
41687h16709	9	10	distinct	distinct	ADJ
41687h16709	9	11	organisms	organism	NOUN
41687h16709	9	12	and	and	CCONJ
41687h16709	9	13	show	show	VERB
41687h16709	9	14	that	that	SCONJ
41687h16709	9	15	many	many	ADJ
41687h16709	9	16	small	small	ADJ
41687h16709	9	17	,	,	PUNCT
41687h16709	9	18	highly	highly	ADV
41687h16709	9	19	connected	connected	ADJ
41687h16709	9	20	topological	topological	ADJ
41687h16709	9	21	modules	module	NOUN
41687h16709	9	22	combine	combine	VERB
41687h16709	9	23	in	in	ADP
41687h16709	9	24	a	a	DET
41687h16709	9	25	hierarchical	hierarchical	ADJ
41687h16709	9	26	manner	manner	NOUN
41687h16709	9	27	into	into	ADP
41687h16709	9	28	larger	large	ADJ
41687h16709	9	29	,	,	PUNCT
41687h16709	9	30	less	less	ADV
41687h16709	9	31	cohesive	cohesive	ADJ
41687h16709	9	32	units	unit	NOUN
41687h16709	9	33	,	,	PUNCT
41687h16709	9	34	their	their	PRON
41687h16709	9	35	number	number	NOUN
41687h16709	9	36	and	and	CCONJ
41687h16709	9	37	degree	degree	NOUN
41687h16709	9	38	of	of	ADP
41687h16709	9	39	clustering	clustering	NOUN
41687h16709	9	40	following	follow	VERB
41687h16709	9	41	a	a	DET
41687h16709	9	42	power	power	NOUN
41687h16709	9	43	law	law	NOUN
41687h16709	9	44	.	.	PUNCT
41687h16709	10	1	within	within	ADP
41687h16709	10	2	escherichia	escherichia	PROPN
41687h16709	10	3	coli	coli	PROPN
41687h16709	10	4	we	we	PRON
41687h16709	10	5	find	find	VERB
41687h16709	10	6	that	that	SCONJ
41687h16709	10	7	the	the	DET
41687h16709	10	8	uncovered	uncovered	ADJ
41687h16709	10	9	hierarchical	hierarchical	ADJ
41687h16709	10	10	modularity	modularity	NOUN
41687h16709	10	11	closely	closely	ADV
41687h16709	10	12	overlaps	overlap	VERB
41687h16709	10	13	with	with	ADP
41687h16709	10	14	known	know	VERB
41687h16709	10	15	metabolic	metabolic	NOUN
41687h16709	10	16	functions	function	NOUN
41687h16709	10	17	.	.	PUNCT
41687h16709	11	1	we	we	PRON
41687h16709	11	2	show	show	VERB
41687h16709	11	3	that	that	SCONJ
41687h16709	11	4	enzyme	enzyme	NOUN
41687h16709	11	5	essentiality	essentiality	ADJ
41687h16709	11	6	is	be	AUX
41687h16709	11	7	not	not	PART
41687h16709	11	8	randomly	randomly	ADV
41687h16709	11	9	distributed	distribute	VERB
41687h16709	11	10	in	in	ADP
41687h16709	11	11	the	the	DET
41687h16709	11	12	metabolic	metabolic	NOUN
41687h16709	11	13	network	network	NOUN
41687h16709	11	14	,	,	PUNCT
41687h16709	11	15	on	on	ADP
41687h16709	11	16	the	the	DET
41687h16709	11	17	contrary	contrary	ADJ
41687h16709	11	18	,	,	PUNCT
41687h16709	11	19	essential	essential	ADJ
41687h16709	11	20	enzymes	enzyme	NOUN
41687h16709	11	21	tend	tend	VERB
41687h16709	11	22	to	to	PART
41687h16709	11	23	cluster	cluster	VERB
41687h16709	11	24	into	into	ADP
41687h16709	11	25	a	a	DET
41687h16709	11	26	few	few	ADJ
41687h16709	11	27	small	small	ADJ
41687h16709	11	28	,	,	PUNCT
41687h16709	11	29	well	well	ADV
41687h16709	11	30	defined	define	VERB
41687h16709	11	31	modules	module	NOUN
41687h16709	11	32	of	of	ADP
41687h16709	11	33	the	the	DET
41687h16709	11	34	metabolism	metabolism	NOUN
41687h16709	11	35	.	.	PUNCT
41687h16709	12	1	finally	finally	ADV
41687h16709	12	2	,	,	PUNCT
41687h16709	12	3	we	we	PRON
41687h16709	12	4	present	present	VERB
41687h16709	12	5	an	an	DET
41687h16709	12	6	enzyme	enzyme	NOUN
41687h16709	12	7	evolution	evolution	NOUN
41687h16709	12	8	-	-	PUNCT
41687h16709	12	9	based	base	VERB
41687h16709	12	10	model	model	NOUN
41687h16709	12	11	for	for	ADP
41687h16709	12	12	metabolic	metabolic	ADJ
41687h16709	12	13	network	network	NOUN
41687h16709	12	14	growth	growth	NOUN
41687h16709	12	15	.	.	PUNCT
41687h16709	13	1	this	this	DET
41687h16709	13	2	model	model	NOUN
41687h16709	13	3	reproduces	reproduce	VERB
41687h16709	13	4	the	the	DET
41687h16709	13	5	observed	observed	ADJ
41687h16709	13	6	scale	scale	NOUN
41687h16709	13	7	free	free	ADJ
41687h16709	13	8	and	and	CCONJ
41687h16709	13	9	hierarchical	hierarchical	ADJ
41687h16709	13	10	organization	organization	NOUN
41687h16709	13	11	of	of	ADP
41687h16709	13	12	metabolic	metabolic	NOUN
41687h16709	13	13	networks	network	NOUN
41687h16709	13	14	using	use	VERB
41687h16709	13	15	local	local	ADJ
41687h16709	13	16	wiring	wiring	NOUN
41687h16709	13	17	rules	rule	NOUN
41687h16709	13	18	.	.	PUNCT