As a previous step to designing the mutation operators, we analyzed the main technologies used specifically in the development of GIS, and we identified typical errors a programmer can introduce during the development.
1	As	as	ADP	IN	_	4	case	4:case	Discourse=context-background:40->46:0
2	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	4:det	Entity=(58-event-new-cf9-3-sgl
3	previous	previous	ADJ	JJ	Degree=Pos	4	amod	4:amod	_
4	step	step	NOUN	NN	Number=Sing	12	obl	12:obl:as	_
5	to	to	SCONJ	IN	_	6	mark	6:mark	Discourse=elaboration-attribute:41->40:0
6	designing	design	VERB	VBG	VerbForm=Ger	4	acl	4:acl:to	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	9:det	Entity=(20-abstract-giv:act-cf2*-3-coref
8	mutation	mutation	NOUN	NN	Number=Sing	9	compound	9:compound	Entity=(22-abstract-giv:act-cf5-1-coref)
9	operators	operator	NOUN	NNS	Number=Plur	6	obj	6:obj	Entity=20)58)|SpaceAfter=No
10	,	,	PUNCT	,	_	4	punct	4:punct	_
11	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	12	nsubj	12:nsubj	Discourse=same-unit_m:42->40:1|Entity=(5-person-giv:inact-cf1-1-ana)
12	analyzed	analyze	VERB	VBD	Mood=Ind|Number=Plur|Person=1|Tense=Past|VerbForm=Fin	0	root	0:root	_
13	the	the	DET	DT	Definite=Def|PronType=Art	15	det	15:det	Entity=(59-abstract-new-cf7-3-sgl
14	main	main	ADJ	JJ	Degree=Pos	15	amod	15:amod	_
15	technologies	technology	NOUN	NNS	Number=Plur	12	obj	12:obj	_
16	used	use	VERB	VBN	Tense=Past|VerbForm=Part	15	acl	15:acl	Discourse=elaboration-attribute:43->42:0
17	specifically	specifically	ADV	RB	Degree=Pos	16	advmod	16:advmod	_
18	in	in	ADP	IN	_	20	case	20:case	_
19	the	the	DET	DT	Definite=Def|PronType=Art	20	det	20:det	Entity=(53-event-giv:inact-cf3-2-coref
20	development	development	NOUN	NN	Number=Sing	16	obl	16:obl:in	_
21	of	of	ADP	IN	_	22	case	22:case	_
22	GIS	GIS	NOUN	NNS	Abbr=Yes|Number=Plur	20	nmod	20:nmod:of	Entity=(4-abstract-giv:act-cf4-1-coref-Geographic_information_system)53)59)|SpaceAfter=No
23	,	,	PUNCT	,	_	26	punct	26:punct	_
24	and	and	CCONJ	CC	_	26	cc	26:cc	Discourse=joint-list_m:44->40:2
25	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	26	nsubj	26:nsubj	Entity=(5-person-giv:act-cf1-1-ana)
26	identified	identify	VERB	VBD	Mood=Ind|Number=Plur|Person=1|Tense=Past|VerbForm=Fin	12	conj	12:conj:and	_
27	typical	typical	ADJ	JJ	Degree=Pos	28	amod	28:amod	Entity=(60-abstract-new-cf8-2-coref
28	errors	error	NOUN	NNS	Number=Plur	26	obj	26:obj	_
29	a	a	DET	DT	Definite=Ind|PronType=Art	30	det	30:det	Discourse=elaboration-attribute:45->44:0|Entity=(61-person-new-cf6-2-sgl
30	programmer	programmer	NOUN	NN	Number=Sing	32	nsubj	32:nsubj	Entity=61)
31	can	can	AUX	MD	Number=Sing|Person=3|VerbForm=Fin	32	aux	32:aux	_
32	introduce	introduce	VERB	VB	VerbForm=Inf	28	acl:relcl	28:acl:relcl	_
33	during	during	ADP	IN	_	35	case	35:case	_
34	the	the	DET	DT	Definite=Def|PronType=Art	35	det	35:det	Entity=(53-event-giv:act-cf3-2-coref
35	development	development	NOUN	NN	Number=Sing	32	obl	32:obl:during	Entity=53)60)|SpaceAfter=No
36	.	.	PUNCT	.	_	12	punct	12:punct	_
