id	sid	tid	token	lemma	pos
7d278s48c7c	1	1	software	software	PROPN
7d278s48c7c	1	2	evolution	evolution	NOUN
7d278s48c7c	1	3	relates	relate	VERB
7d278s48c7c	1	4	to	to	ADP
7d278s48c7c	1	5	the	the	DET
7d278s48c7c	1	6	activity	activity	NOUN
7d278s48c7c	1	7	and	and	CCONJ
7d278s48c7c	1	8	phenomenon	phenomenon	NOUN
7d278s48c7c	1	9	of	of	ADP
7d278s48c7c	1	10	software	software	NOUN
7d278s48c7c	1	11	change	change	NOUN
7d278s48c7c	1	12	.	.	PUNCT
7d278s48c7c	2	1	constant	constant	ADJ
7d278s48c7c	2	2	changes	change	NOUN
7d278s48c7c	2	3	are	be	AUX
7d278s48c7c	2	4	inevitable	inevitable	ADJ
7d278s48c7c	2	5	in	in	ADP
7d278s48c7c	2	6	large	large	ADJ
7d278s48c7c	2	7	software	software	NOUN
7d278s48c7c	2	8	systems	system	NOUN
7d278s48c7c	2	9	including	include	VERB
7d278s48c7c	2	10	safety	safety	NOUN
7d278s48c7c	2	11	-	-	PUNCT
7d278s48c7c	2	12	critical	critical	ADJ
7d278s48c7c	2	13	systems	system	NOUN
7d278s48c7c	2	14	for	for	ADP
7d278s48c7c	2	15	which	which	PRON
7d278s48c7c	2	16	failure	failure	NOUN
7d278s48c7c	2	17	may	may	AUX
7d278s48c7c	2	18	result	result	VERB
7d278s48c7c	2	19	in	in	ADP
7d278s48c7c	2	20	death	death	NOUN
7d278s48c7c	2	21	or	or	CCONJ
7d278s48c7c	2	22	serious	serious	ADJ
7d278s48c7c	2	23	injury	injury	NOUN
7d278s48c7c	2	24	to	to	ADP
7d278s48c7c	2	25	humans	human	NOUN
7d278s48c7c	2	26	,	,	PUNCT
7d278s48c7c	2	27	damage	damage	NOUN
7d278s48c7c	2	28	to	to	ADP
7d278s48c7c	2	29	property	property	NOUN
7d278s48c7c	2	30	and/or	and/or	CCONJ
7d278s48c7c	2	31	environmental	environmental	ADJ
7d278s48c7c	2	32	harm	harm	NOUN
7d278s48c7c	2	33	.	.	PUNCT
7d278s48c7c	3	1	therefore	therefore	ADV
7d278s48c7c	3	2	,	,	PUNCT
7d278s48c7c	3	3	to	to	PART
7d278s48c7c	3	4	ensure	ensure	VERB
7d278s48c7c	3	5	safety	safety	NOUN
7d278s48c7c	3	6	,	,	PUNCT
7d278s48c7c	3	7	such	such	ADJ
7d278s48c7c	3	8	systems	system	NOUN
7d278s48c7c	3	9	undergo	undergo	VERB
7d278s48c7c	3	10	a	a	DET
7d278s48c7c	3	11	rigorous	rigorous	ADJ
7d278s48c7c	3	12	certification	certification	NOUN
7d278s48c7c	3	13	process	process	NOUN
7d278s48c7c	3	14	before	before	ADP
7d278s48c7c	3	15	their	their	PRON
7d278s48c7c	3	16	release	release	NOUN
7d278s48c7c	3	17	.	.	PUNCT
7d278s48c7c	4	1	the	the	DET
7d278s48c7c	4	2	certification	certification	NOUN
7d278s48c7c	4	3	process	process	NOUN
7d278s48c7c	4	4	commonly	commonly	ADV
7d278s48c7c	4	5	happens	happen	VERB
7d278s48c7c	4	6	in	in	ADP
7d278s48c7c	4	7	discrete	discrete	ADJ
7d278s48c7c	4	8	and	and	CCONJ
7d278s48c7c	4	9	costly	costly	ADJ
7d278s48c7c	4	10	steps	step	NOUN
7d278s48c7c	4	11	and	and	CCONJ
7d278s48c7c	4	12	,	,	PUNCT
7d278s48c7c	4	13	once	once	ADV
7d278s48c7c	4	14	certified	certify	VERB
7d278s48c7c	4	15	,	,	PUNCT
7d278s48c7c	4	16	the	the	DET
7d278s48c7c	4	17	system	system	NOUN
7d278s48c7c	4	18	is	be	AUX
7d278s48c7c	4	19	commonly	commonly	ADV
7d278s48c7c	4	20	closed	close	VERB
7d278s48c7c	4	21	to	to	ADP
7d278s48c7c	4	22	changes	change	NOUN
7d278s48c7c	4	23	and	and	CCONJ
7d278s48c7c	4	24	adaption	adaption	NOUN
7d278s48c7c	4	25	to	to	PART
7d278s48c7c	4	26	avoid	avoid	VERB
7d278s48c7c	4	27	the	the	DET
7d278s48c7c	4	28	need	need	NOUN
7d278s48c7c	4	29	for	for	ADP
7d278s48c7c	4	30	re	re	NOUN
7d278s48c7c	4	31	-	-	NOUN
7d278s48c7c	4	32	certification	certification	NOUN
7d278s48c7c	4	33	.	.	PUNCT
7d278s48c7c	5	1	this	this	DET
7d278s48c7c	5	2	effect	effect	NOUN
7d278s48c7c	5	3	is	be	AUX
7d278s48c7c	5	4	referred	refer	VERB
7d278s48c7c	5	5	to	to	ADP
7d278s48c7c	5	6	as	as	ADP
7d278s48c7c	5	7	the	the	DET
7d278s48c7c	5	8	\big	\big	PROPN
7d278s48c7c	5	9	freeze	freeze	PROPN
7d278s48c7c	5	10	"	"	PUNCT
7d278s48c7c	5	11	problem	problem	NOUN
7d278s48c7c	5	12	.	.	PUNCT
7d278s48c7c	6	1	in	in	ADP
7d278s48c7c	6	2	this	this	DET
7d278s48c7c	6	3	dissertation	dissertation	NOUN
7d278s48c7c	6	4	,	,	PUNCT
7d278s48c7c	6	5	i	i	PRON
7d278s48c7c	6	6	describe	describe	VERB
7d278s48c7c	6	7	my	my	PRON
7d278s48c7c	6	8	contribution	contribution	NOUN
7d278s48c7c	6	9	to	to	PART
7d278s48c7c	6	10	enhance	enhance	VERB
7d278s48c7c	6	11	evolution	evolution	NOUN
7d278s48c7c	6	12	in	in	ADP
7d278s48c7c	6	13	software	software	NOUN
7d278s48c7c	6	14	-	-	PUNCT
7d278s48c7c	6	15	intensive	intensive	ADJ
7d278s48c7c	6	16	systems	system	NOUN
7d278s48c7c	6	17	,	,	PUNCT
7d278s48c7c	6	18	especially	especially	ADV
7d278s48c7c	6	19	those	those	PRON
7d278s48c7c	6	20	with	with	ADP
7d278s48c7c	6	21	safety	safety	NOUN
7d278s48c7c	6	22	-	-	PUNCT
7d278s48c7c	6	23	critical	critical	ADJ
7d278s48c7c	6	24	implications	implication	NOUN
7d278s48c7c	6	25	,	,	PUNCT
7d278s48c7c	6	26	in	in	ADP
7d278s48c7c	6	27	order	order	NOUN
7d278s48c7c	6	28	to	to	PART
7d278s48c7c	6	29	address	address	VERB
7d278s48c7c	6	30	this	this	DET
7d278s48c7c	6	31	problem	problem	NOUN
7d278s48c7c	6	32	.	.	PUNCT
7d278s48c7c	7	1	enhanced	enhance	VERB
7d278s48c7c	7	2	evolution	evolution	NOUN
7d278s48c7c	7	3	in	in	ADP
7d278s48c7c	7	4	such	such	ADJ
7d278s48c7c	7	5	systems	system	NOUN
7d278s48c7c	7	6	facilitates	facilitate	VERB
7d278s48c7c	7	7	a	a	DET
7d278s48c7c	7	8	continual	continual	ADJ
7d278s48c7c	7	9	assessment	assessment	NOUN
7d278s48c7c	7	10	of	of	ADP
7d278s48c7c	7	11	safety	safety	NOUN
7d278s48c7c	7	12	during	during	ADP
7d278s48c7c	7	13	the	the	DET
7d278s48c7c	7	14	maintenance	maintenance	NOUN
7d278s48c7c	7	15	phase	phase	NOUN
7d278s48c7c	7	16	of	of	ADP
7d278s48c7c	7	17	their	their	PRON
7d278s48c7c	7	18	development	development	NOUN
7d278s48c7c	7	19	life	life	NOUN
7d278s48c7c	7	20	cycle	cycle	NOUN
7d278s48c7c	7	21	.	.	PUNCT
7d278s48c7c	8	1	first	first	ADV
7d278s48c7c	8	2	,	,	PUNCT
7d278s48c7c	8	3	i	i	PRON
7d278s48c7c	8	4	identified	identify	VERB
7d278s48c7c	8	5	patterns	pattern	NOUN
7d278s48c7c	8	6	of	of	ADP
7d278s48c7c	8	7	change	change	NOUN
7d278s48c7c	8	8	within	within	ADP
7d278s48c7c	8	9	software	software	NOUN
7d278s48c7c	8	10	artifacts	artifact	NOUN
7d278s48c7c	8	11	and	and	CCONJ
7d278s48c7c	8	12	patterns	pattern	NOUN
7d278s48c7c	8	13	of	of	ADP
7d278s48c7c	8	14	co	co	NOUN
7d278s48c7c	8	15	-	-	NOUN
7d278s48c7c	8	16	evolution	evolution	NOUN
7d278s48c7c	8	17	between	between	ADP
7d278s48c7c	8	18	pairs	pair	NOUN
7d278s48c7c	8	19	of	of	ADP
7d278s48c7c	8	20	artifact	artifact	ADJ
7d278s48c7c	8	21	types	type	NOUN
7d278s48c7c	8	22	,	,	PUNCT
7d278s48c7c	8	23	particularly	particularly	ADV
7d278s48c7c	8	24	requirements	requirement	NOUN
7d278s48c7c	8	25	and	and	CCONJ
7d278s48c7c	8	26	source	source	NOUN
7d278s48c7c	8	27	code	code	PROPN
7d278s48c7c	8	28	,	,	PUNCT
7d278s48c7c	8	29	across	across	ADP
7d278s48c7c	8	30	multiple	multiple	ADJ
7d278s48c7c	8	31	versions	version	NOUN
7d278s48c7c	8	32	of	of	ADP
7d278s48c7c	8	33	a	a	DET
7d278s48c7c	8	34	software	software	NOUN
7d278s48c7c	8	35	system	system	NOUN
7d278s48c7c	8	36	.	.	PUNCT
7d278s48c7c	9	1	second	second	ADV
7d278s48c7c	9	2	,	,	PUNCT
7d278s48c7c	9	3	i	i	PRON
7d278s48c7c	9	4	exploited	exploit	VERB
7d278s48c7c	9	5	these	these	DET
7d278s48c7c	9	6	identified	identify	VERB
7d278s48c7c	9	7	patterns	pattern	NOUN
7d278s48c7c	9	8	to	to	PART
7d278s48c7c	9	9	implement	implement	VERB
7d278s48c7c	9	10	a	a	DET
7d278s48c7c	9	11	trace	trace	NOUN
7d278s48c7c	9	12	link	link	NOUN
7d278s48c7c	9	13	evolver	evolver	NOUN
7d278s48c7c	9	14	(	(	PUNCT
7d278s48c7c	9	15	tle	tle	PROPN
7d278s48c7c	9	16	)	)	PUNCT
7d278s48c7c	9	17	to	to	PART
7d278s48c7c	9	18	detect	detect	VERB
7d278s48c7c	9	19	these	these	DET
7d278s48c7c	9	20	change	change	NOUN
7d278s48c7c	9	21	scenarios	scenario	NOUN
7d278s48c7c	9	22	which	which	PRON
7d278s48c7c	9	23	occurred	occur	VERB
7d278s48c7c	9	24	between	between	ADP
7d278s48c7c	9	25	subsequent	subsequent	ADJ
7d278s48c7c	9	26	versions	version	NOUN
7d278s48c7c	9	27	of	of	ADP
7d278s48c7c	9	28	a	a	DET
7d278s48c7c	9	29	system	system	NOUN
7d278s48c7c	9	30	.	.	PUNCT
7d278s48c7c	10	1	tle	tle	PROPN
7d278s48c7c	10	2	then	then	ADV
7d278s48c7c	10	3	uses	use	VERB
7d278s48c7c	10	4	a	a	DET
7d278s48c7c	10	5	corresponding	corresponding	ADJ
7d278s48c7c	10	6	set	set	NOUN
7d278s48c7c	10	7	of	of	ADP
7d278s48c7c	10	8	link	link	NOUN
7d278s48c7c	11	1	evolution	evolution	NOUN
7d278s48c7c	11	2	heuristics	heuristic	NOUN
7d278s48c7c	11	3	and	and	CCONJ
7d278s48c7c	11	4	automatically	automatically	ADV
7d278s48c7c	11	5	evolves	evolve	VERB
7d278s48c7c	11	6	trace	trace	NOUN
7d278s48c7c	11	7	links	link	NOUN
7d278s48c7c	11	8	between	between	ADP
7d278s48c7c	11	9	requirements	requirement	NOUN
7d278s48c7c	11	10	and	and	CCONJ
7d278s48c7c	11	11	source	source	NOUN
7d278s48c7c	11	12	code	code	NOUN
7d278s48c7c	11	13	as	as	SCONJ
7d278s48c7c	11	14	changes	change	NOUN
7d278s48c7c	11	15	are	be	AUX
7d278s48c7c	11	16	introduced	introduce	VERB
7d278s48c7c	11	17	to	to	ADP
7d278s48c7c	11	18	the	the	DET
7d278s48c7c	11	19	system	system	NOUN
7d278s48c7c	11	20	.	.	PUNCT
7d278s48c7c	12	1	experimental	experimental	ADJ
7d278s48c7c	12	2	results	result	NOUN
7d278s48c7c	12	3	showed	show	VERB
7d278s48c7c	12	4	tle	tle	NOUN
7d278s48c7c	12	5	achieves	achieve	VERB
7d278s48c7c	12	6	significantly	significantly	ADV
7d278s48c7c	12	7	higher	high	ADJ
7d278s48c7c	12	8	accuracy	accuracy	NOUN
7d278s48c7c	12	9	than	than	ADP
7d278s48c7c	12	10	existing	exist	VERB
7d278s48c7c	12	11	approaches	approach	NOUN
7d278s48c7c	12	12	which	which	PRON
7d278s48c7c	12	13	reconstruct	reconstruct	VERB
7d278s48c7c	12	14	trace	trace	NOUN
7d278s48c7c	12	15	links	link	NOUN
7d278s48c7c	12	16	from	from	ADP
7d278s48c7c	12	17	scratch	scratch	NOUN
7d278s48c7c	12	18	after	after	ADP
7d278s48c7c	12	19	the	the	DET
7d278s48c7c	12	20	change	change	NOUN
7d278s48c7c	12	21	.	.	PUNCT
7d278s48c7c	13	1	third	third	ADJ
7d278s48c7c	13	2	,	,	PUNCT
7d278s48c7c	13	3	i	i	PRON
7d278s48c7c	13	4	evaluated	evaluate	VERB
7d278s48c7c	13	5	tle	tle	NOUN
7d278s48c7c	13	6	's	's	PART
7d278s48c7c	13	7	scalability	scalability	NOUN
7d278s48c7c	13	8	in	in	ADP
7d278s48c7c	13	9	industrial	industrial	ADJ
7d278s48c7c	13	10	contexts	context	NOUN
7d278s48c7c	13	11	with	with	ADP
7d278s48c7c	13	12	large	large	ADJ
7d278s48c7c	13	13	open	open	ADJ
7d278s48c7c	13	14	source	source	NOUN
7d278s48c7c	13	15	software	software	NOUN
7d278s48c7c	13	16	projects	project	NOUN
7d278s48c7c	13	17	.	.	PUNCT
7d278s48c7c	14	1	a	a	DET
7d278s48c7c	14	2	prototype	prototype	NOUN
7d278s48c7c	14	3	eclipse	eclipse	NOUN
7d278s48c7c	14	4	plugin	plugin	NOUN
7d278s48c7c	14	5	was	be	AUX
7d278s48c7c	14	6	developed	develop	VERB
7d278s48c7c	14	7	by	by	ADP
7d278s48c7c	14	8	a	a	DET
7d278s48c7c	14	9	team	team	NOUN
7d278s48c7c	14	10	of	of	ADP
7d278s48c7c	14	11	undergraduate	undergraduate	ADJ
7d278s48c7c	14	12	students	student	NOUN
7d278s48c7c	14	13	to	to	PART
7d278s48c7c	14	14	show	show	VERB
7d278s48c7c	14	15	how	how	SCONJ
7d278s48c7c	14	16	tle	tle	ADJ
7d278s48c7c	14	17	algorithms	algorithm	NOUN
7d278s48c7c	14	18	might	might	AUX
7d278s48c7c	14	19	be	be	AUX
7d278s48c7c	14	20	integrated	integrate	VERB
7d278s48c7c	14	21	into	into	ADP
7d278s48c7c	14	22	an	an	DET
7d278s48c7c	14	23	ide	ide	PROPN
7d278s48c7c	14	24	environment	environment	NOUN
7d278s48c7c	14	25	.	.	PUNCT
7d278s48c7c	15	1	i	i	PRON
7d278s48c7c	15	2	developed	develop	VERB
7d278s48c7c	15	3	a	a	DET
7d278s48c7c	15	4	prototype	prototype	NOUN
7d278s48c7c	15	5	visualization	visualization	NOUN
7d278s48c7c	15	6	tool	tool	NOUN
7d278s48c7c	15	7	which	which	PRON
7d278s48c7c	15	8	illustrates	illustrate	VERB
7d278s48c7c	15	9	the	the	DET
7d278s48c7c	15	10	evolution	evolution	NOUN
7d278s48c7c	15	11	of	of	ADP
7d278s48c7c	15	12	trace	trace	NOUN
7d278s48c7c	15	13	links	link	NOUN
7d278s48c7c	15	14	and	and	CCONJ
7d278s48c7c	15	15	their	their	PRON
7d278s48c7c	15	16	associated	associate	VERB
7d278s48c7c	15	17	classes	class	NOUN
7d278s48c7c	15	18	and	and	CCONJ
7d278s48c7c	15	19	features	feature	NOUN
7d278s48c7c	15	20	,	,	PUNCT
7d278s48c7c	15	21	in	in	ADP
7d278s48c7c	15	22	the	the	DET
7d278s48c7c	15	23	form	form	NOUN
7d278s48c7c	15	24	of	of	ADP
7d278s48c7c	15	25	a	a	DET
7d278s48c7c	15	26	graph	graph	NOUN
7d278s48c7c	15	27	,	,	PUNCT
7d278s48c7c	15	28	by	by	ADP
7d278s48c7c	15	29	leveraging	leverage	VERB
7d278s48c7c	15	30	the	the	DET
7d278s48c7c	15	31	links	link	NOUN
7d278s48c7c	15	32	generated	generate	VERB
7d278s48c7c	15	33	by	by	ADP
7d278s48c7c	16	1	tle	tle	PROPN
7d278s48c7c	16	2	.	.	PUNCT
7d278s48c7c	16	3	tle	tle	PROPN
7d278s48c7c	16	4	visualization	visualization	NOUN
7d278s48c7c	16	5	provides	provide	VERB
7d278s48c7c	16	6	developers	developer	NOUN
7d278s48c7c	16	7	with	with	ADP
7d278s48c7c	16	8	information	information	NOUN
7d278s48c7c	16	9	they	they	PRON
7d278s48c7c	16	10	need	need	VERB
7d278s48c7c	16	11	to	to	PART
7d278s48c7c	16	12	understand	understand	VERB
7d278s48c7c	16	13	the	the	DET
7d278s48c7c	16	14	evolution	evolution	NOUN
7d278s48c7c	16	15	history	history	NOUN
7d278s48c7c	16	16	,	,	PUNCT
7d278s48c7c	16	17	rationales	rationale	NOUN
7d278s48c7c	16	18	,	,	PUNCT
7d278s48c7c	16	19	and	and	CCONJ
7d278s48c7c	16	20	underlying	underlying	ADJ
7d278s48c7c	16	21	functionality	functionality	NOUN
7d278s48c7c	16	22	of	of	ADP
7d278s48c7c	16	23	classes	class	NOUN
7d278s48c7c	16	24	in	in	ADP
7d278s48c7c	16	25	the	the	DET
7d278s48c7c	16	26	source	source	NOUN
7d278s48c7c	16	27	code	code	NOUN
7d278s48c7c	16	28	.	.	PUNCT
7d278s48c7c	17	1	historical	historical	ADJ
7d278s48c7c	17	2	data	datum	NOUN
7d278s48c7c	17	3	has	have	AUX
7d278s48c7c	17	4	shown	show	VERB
7d278s48c7c	17	5	that	that	SCONJ
7d278s48c7c	17	6	problems	problem	NOUN
7d278s48c7c	17	7	with	with	ADP
7d278s48c7c	17	8	the	the	DET
7d278s48c7c	17	9	correctness	correctness	NOUN
7d278s48c7c	17	10	and	and	CCONJ
7d278s48c7c	17	11	completeness	completeness	NOUN
7d278s48c7c	17	12	of	of	ADP
7d278s48c7c	17	13	environmental	environmental	ADJ
7d278s48c7c	17	14	assumptions	assumption	NOUN
7d278s48c7c	17	15	contribute	contribute	VERB
7d278s48c7c	17	16	to	to	ADP
7d278s48c7c	17	17	many	many	ADJ
7d278s48c7c	17	18	accidents	accident	NOUN
7d278s48c7c	17	19	in	in	ADP
7d278s48c7c	17	20	safety	safety	NOUN
7d278s48c7c	17	21	-	-	PUNCT
7d278s48c7c	17	22	critical	critical	ADJ
7d278s48c7c	17	23	systems	system	NOUN
7d278s48c7c	17	24	.	.	PUNCT
7d278s48c7c	18	1	therefore	therefore	ADV
7d278s48c7c	18	2	,	,	PUNCT
7d278s48c7c	18	3	in	in	ADP
7d278s48c7c	18	4	my	my	PRON
7d278s48c7c	18	5	final	final	ADJ
7d278s48c7c	18	6	contribution	contribution	NOUN
7d278s48c7c	18	7	,	,	PUNCT
7d278s48c7c	18	8	i	i	PRON
7d278s48c7c	18	9	extended	extend	VERB
7d278s48c7c	18	10	the	the	DET
7d278s48c7c	18	11	focus	focus	NOUN
7d278s48c7c	18	12	from	from	ADP
7d278s48c7c	18	13	the	the	DET
7d278s48c7c	18	14	co	co	NOUN
7d278s48c7c	18	15	-	-	NOUN
7d278s48c7c	18	16	evolution	evolution	NOUN
7d278s48c7c	18	17	of	of	ADP
7d278s48c7c	18	18	requirements	requirement	NOUN
7d278s48c7c	18	19	and	and	CCONJ
7d278s48c7c	18	20	code	code	NOUN
7d278s48c7c	18	21	,	,	PUNCT
7d278s48c7c	18	22	by	by	ADP
7d278s48c7c	18	23	additionally	additionally	ADV
7d278s48c7c	18	24	exploring	explore	VERB
7d278s48c7c	18	25	changes	change	NOUN
7d278s48c7c	18	26	in	in	ADP
7d278s48c7c	18	27	environmental	environmental	ADJ
7d278s48c7c	18	28	assumptions	assumption	NOUN
7d278s48c7c	18	29	and	and	CCONJ
7d278s48c7c	18	30	faults	fault	NOUN
7d278s48c7c	18	31	.	.	PUNCT
7d278s48c7c	19	1	the	the	DET
7d278s48c7c	19	2	goal	goal	NOUN
7d278s48c7c	19	3	was	be	AUX
7d278s48c7c	19	4	to	to	PART
7d278s48c7c	19	5	diagnose	diagnose	VERB
7d278s48c7c	19	6	problematic	problematic	ADJ
7d278s48c7c	19	7	change	change	NOUN
7d278s48c7c	19	8	patterns	pattern	NOUN
7d278s48c7c	19	9	in	in	ADP
7d278s48c7c	19	10	safety	safety	NOUN
7d278s48c7c	19	11	artifacts	artifact	NOUN
7d278s48c7c	19	12	across	across	ADP
7d278s48c7c	19	13	versions	version	NOUN
7d278s48c7c	19	14	of	of	ADP
7d278s48c7c	19	15	a	a	DET
7d278s48c7c	19	16	system	system	NOUN
7d278s48c7c	19	17	.	.	PUNCT
7d278s48c7c	20	1	in	in	ADP
7d278s48c7c	20	2	the	the	DET
7d278s48c7c	20	3	approach	approach	NOUN
7d278s48c7c	20	4	named	name	VERB
7d278s48c7c	20	5	assumption	assumption	NOUN
7d278s48c7c	20	6	diagnostics	diagnostic	NOUN
7d278s48c7c	20	7	and	and	CCONJ
7d278s48c7c	20	8	rationale	rationale	ADJ
7d278s48c7c	20	9	process	process	NOUN
7d278s48c7c	20	10	(	(	PUNCT
7d278s48c7c	20	11	adrp	adrp	PROPN
7d278s48c7c	20	12	)	)	PUNCT
7d278s48c7c	20	13	,	,	PUNCT
7d278s48c7c	20	14	existing	exist	VERB
7d278s48c7c	20	15	trace	trace	NOUN
7d278s48c7c	20	16	links	link	NOUN
7d278s48c7c	20	17	are	be	AUX
7d278s48c7c	20	18	exploited	exploit	VERB
7d278s48c7c	20	19	to	to	ADP
7d278s48c7c	20	20	reason	reason	NOUN
7d278s48c7c	20	21	about	about	ADP
7d278s48c7c	20	22	the	the	DET
7d278s48c7c	20	23	likelihood	likelihood	NOUN
7d278s48c7c	20	24	that	that	SCONJ
7d278s48c7c	20	25	assumptions	assumption	NOUN
7d278s48c7c	20	26	are	be	AUX
7d278s48c7c	20	27	missing	miss	VERB
7d278s48c7c	20	28	or	or	CCONJ
7d278s48c7c	20	29	incorrectly	incorrectly	ADV
7d278s48c7c	20	30	retained	retain	VERB
7d278s48c7c	20	31	in	in	ADP
7d278s48c7c	20	32	the	the	DET
7d278s48c7c	20	33	new	new	ADJ
7d278s48c7c	20	34	software	software	NOUN
7d278s48c7c	20	35	product	product	NOUN
7d278s48c7c	20	36	.	.	PUNCT
7d278s48c7c	21	1	adrp	adrp	PROPN
7d278s48c7c	21	2	generates	generate	VERB
7d278s48c7c	21	3	a	a	DET
7d278s48c7c	21	4	report	report	NOUN
7d278s48c7c	21	5	containing	contain	VERB
7d278s48c7c	21	6	useful	useful	ADJ
7d278s48c7c	21	7	information	information	NOUN
7d278s48c7c	21	8	for	for	ADP
7d278s48c7c	21	9	a	a	DET
7d278s48c7c	21	10	safety	safety	NOUN
7d278s48c7c	21	11	analyst	analyst	NOUN
7d278s48c7c	21	12	to	to	PART
7d278s48c7c	21	13	assess	assess	VERB
7d278s48c7c	21	14	validity	validity	NOUN
7d278s48c7c	21	15	of	of	ADP
7d278s48c7c	21	16	environmental	environmental	ADJ
7d278s48c7c	21	17	assumptions	assumption	NOUN
7d278s48c7c	21	18	.	.	PUNCT
7d278s48c7c	22	1	adrp	adrp	PROPN
7d278s48c7c	22	2	finally	finally	ADV
7d278s48c7c	22	3	recommends	recommend	VERB
7d278s48c7c	22	4	mitigation	mitigation	NOUN
7d278s48c7c	22	5	steps	step	NOUN
7d278s48c7c	22	6	if	if	SCONJ
7d278s48c7c	22	7	a	a	DET
7d278s48c7c	22	8	problem	problem	NOUN
7d278s48c7c	22	9	with	with	ADP
7d278s48c7c	22	10	assumptions	assumption	NOUN
7d278s48c7c	22	11	is	be	AUX
7d278s48c7c	22	12	diagnosed	diagnose	VERB
7d278s48c7c	22	13	.	.	PUNCT
7d278s48c7c	23	1	evaluation	evaluation	NOUN
7d278s48c7c	23	2	results	result	NOUN
7d278s48c7c	23	3	showed	show	VERB
7d278s48c7c	23	4	adrp	adrp	PROPN
7d278s48c7c	23	5	consistently	consistently	ADV
7d278s48c7c	23	6	diagnosed	diagnose	VERB
7d278s48c7c	23	7	problematic	problematic	ADJ
7d278s48c7c	23	8	assumptions	assumption	NOUN
7d278s48c7c	23	9	.	.	PUNCT
7d278s48c7c	24	1	in	in	ADP
7d278s48c7c	24	2	summary	summary	NOUN
7d278s48c7c	24	3	,	,	PUNCT
7d278s48c7c	24	4	this	this	DET
7d278s48c7c	24	5	dissertation	dissertation	NOUN
7d278s48c7c	24	6	describes	describe	VERB
7d278s48c7c	24	7	my	my	PRON
7d278s48c7c	24	8	contributions	contribution	NOUN
7d278s48c7c	24	9	to	to	PART
7d278s48c7c	24	10	enhance	enhance	VERB
7d278s48c7c	24	11	change	change	NOUN
7d278s48c7c	24	12	propagation	propagation	NOUN
7d278s48c7c	24	13	across	across	ADP
7d278s48c7c	24	14	subsequent	subsequent	ADJ
7d278s48c7c	24	15	versions	version	NOUN
7d278s48c7c	24	16	of	of	ADP
7d278s48c7c	24	17	software	software	NOUN
7d278s48c7c	24	18	-	-	PUNCT
7d278s48c7c	24	19	intensive	intensive	ADJ
7d278s48c7c	24	20	safety	safety	NOUN
7d278s48c7c	24	21	-	-	PUNCT
7d278s48c7c	24	22	critical	critical	ADJ
7d278s48c7c	24	23	systems	system	NOUN
7d278s48c7c	24	24	.	.	PUNCT
7d278s48c7c	25	1	the	the	DET
7d278s48c7c	25	2	ultimate	ultimate	ADJ
7d278s48c7c	25	3	goal	goal	NOUN
7d278s48c7c	25	4	is	be	AUX
7d278s48c7c	25	5	to	to	PART
7d278s48c7c	25	6	minimize	minimize	VERB
7d278s48c7c	25	7	the	the	DET
7d278s48c7c	25	8	human	human	ADJ
7d278s48c7c	25	9	errors	error	NOUN
7d278s48c7c	25	10	and	and	CCONJ
7d278s48c7c	25	11	manual	manual	ADJ
7d278s48c7c	25	12	e	e	NOUN
7d278s48c7c	25	13	ort	ort	NOUN
7d278s48c7c	25	14	required	require	VERB
7d278s48c7c	25	15	to	to	PART
7d278s48c7c	25	16	evolve	evolve	VERB
7d278s48c7c	25	17	software	software	NOUN
7d278s48c7c	25	18	and	and	CCONJ
7d278s48c7c	25	19	safety	safety	NOUN
7d278s48c7c	25	20	artifacts	artifact	NOUN
7d278s48c7c	25	21	.	.	PUNCT