Assessing Event Correlation in Non-Process-Aware Information Systems

**Cases under study**
Id	Name	Description	Link
S1	AELG-Members	is an author management system that supports the administration of an organization of Spanish writers	go
S2	CHES	CHES (Computer-based Health Evaluation System) is a healthcare information system used in several Austrian hospitals in different areas of medicine (e.g., oncology, geriatrics, psychiatry, psychosomatic medicine) for the collection, storage, and graphical processing of medical and psychosocial data	go

**Event Traces Injector Tool**
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ALGORITHM1-Generation of Atomic Conditions.sql

DistinctAi.sql.txt

DistinctAiAj.sql.txt

DistinctMAXAi.sql.txt

DistinctRatio.sql.txt

InitialAtomicConditions.sql.txt

InitialConjuntiveConditions.sql.txt

InitialL2ConjuntiveConditions.sql.txt

LogLength.sql.txt

NonNullAi.sql.txt

NonNullAiAj.sql.txt

NonNullAiAjAkAh.sql.txt

NumberOfConjuntivePI.sql.txt

NumberOfL2ConjuntivePI.sql.txt

NumberOfPI.sql.txt

PIConjuntiveRatio.sql.txt

PIL2ConjuntiveRatio.sql.txt

PIRatio.sql.txt

RemoveDuplicatesFromAtomicConditions.sql.txt

RemoveDuplicatesFromComplexConditions.sql.txt

RemoveDuplicatesFromComplexL2Conditions.sql.txt

SharedRatio.sql.txt

TableDistinctAi.sql.txt

**Candidate correlation attributes selected in the study**
Study ID	Attribute ID	Java Class	Output Method
AELG-Members	1	FeeVO	getIdAuthor
	2	AuthorVO	getId
	3	AuthorVO	isHistoric
	4	AuthorVO	getMemberNumber
	5	PublicAuthorVO	getId
	6	AuthorVO	getFees
CHES	1	Patient	getPatientId
	2	Patient	getSocialSecurityNumber
	3	Patient	isActive
	4	Questionnaire	isCompletelyAnswered
	5	Questionnaire	toString
	6	HibernateObject	getId
	7	Intervention	getComment

**Source code instrumentation results**
Feature	AELG-Members	CHES
LOC	23339	91266
# Java Files	165	822
# Processed Java Files	16	181
# Instrumented Callable Units	33	186
Static Analysis Time	4’’ (4091 ms)	2’47’’ (166686 ms)

**Datasets of events and correlation attributes considered in the study**
Study ID	Dataset ID	# Events	# Correlation Attributes	download
AELG-Members	Small	2,432	10,412	go
	Medium	7,608	33,278	go
	Large	15,305	74,136	go
CHES	Small	9,361	5,236	go
	Medium	26,464	13,825	go
	Large	50,618	25,277	go

**Correlation sets and time spent on discovering them for each data set and system**
	Dataset	Correlation Set				Time (seconds)
	Dataset	β=0.25	β=0.5	β=0.75	β=1	β=0.25	β=0.5	β=0.75	β=1
AELG-Members	Small	A	C	C	C	12	15	16	15
	Medium	A	C	C	C	41	56	55	55
	Large	B	C	D	D	113	150	151	147
CHES	Small	E	F	F	F	44	38	38	38
	Medium	F	F	F	F	93	90	93	91
	Large	F	F	F	F	399	409	400	398

**Four correlation sets obtained for the AELG-Members system**
Atomic Conditions	A	o : 1=1	p : 2=2	q : 4=4	r : 6=6
	B	o : 1=1	p : 2=2	q : 4=4	r : 6=6
	C	o : 1=1	p : 2=2	q : 4=4	r : 6=6	s : 5=5
	D	o : 1=1	p : 2=2	q : 4=4	r : 6=6	s : 5=5
Complex Conditions	A	o ˄ q	p ˄ q
	B	o ˄ q	p ˄ q	r ˄ q	r ˄ p
	C	o ˄ q	p ˄ q	r ˄ q	r ˄ p
	D	o ˄ q	p ˄ q	r ˄ q	r ˄ p	o ˄ s

**Two correlation sets obtained for the CHES system**
Atom. Cond.	E	ο : 1=1	π : 2=2	ρ : 3=3	ς : 4=4	σ : 5=5	τ : 6=6
Atom. Cond.	F	ο : 1=1	π : 2=2	ρ : 3=3	ς : 4=4	σ : 5=5	τ : 6=6
Cplx. Condi.	E	o ˄ ρ	π ˄ ρ	π ˄ τ
Cplx. Condi.	F	o ˄ ρ	π ˄ ρ	π ˄ τ	ς ˄ σ

**Analysis Charts**