scieee Science in your language
[en] (orig)

Devising an SLA-Aware Methodology to Improve Process Performance

Abstract

Aiming to be as competitive as possible, organisations are always pursuing to improve their business processes applying corrective actions when needed. However, the actual analysis and decision mak ing for those actions is typically a challenging task relying on extensive human-in-the-loop expertise. Specifically, this improvement process usu ally involves: (i) to analyse evidences to understand the current behav ior; (ii) to decide the actual objectives (usually defined in Service Level Agreements -SLAs- based on intuition) and (iii) to establish the im provement plan. In this ongoing work, we aim to propose a data-driven and intuition-free methodology to define an SLA as a governance ele ment that specifies the service level objectives in an explicit way. Such a methodology considers process performance indicators that are analysed by means of inference, optimization, and simulation techniques. In order to motivate and exemplify our work we address a Healthcare scenario.

Read accessible full text

Devising an SLA-Aware Methodology to Improve Process Performance

Author: Müller Cejás, Carlos; Cho, Minsu; Fernández Montes, Pablo; Song, Minseok; Resinas Arias de Reyna, Manuel; Ruiz Cortés, Antonio
Publisher: Asociación de Ingeniería del Software y Tecnologías de Desarrollo de Software (SISTEDES)
Year: 2017
Source: https://idus.us.es/bitstreams/6eec33d1-6047-49b2-ac10-c0c0ac97ac7f/download
De ising an SLA-Awa e Me hodology o
Imp o e P ocess Pe o mance?
Ca los M¨ulle ?, Minsu Cho, Pablo Fe nandez?, Minseok Song, Manuel
Resinas?, and An onio Ruiz-Co ´es?
?Uni e si y o Se ille, Uni e sidad de Se illa, Spain.
Pohang Uni e si y o Science and Technology, Pohang, Ko ea.
Abs ac . Aiming o be as compe i i e as possible, o ganisa ions a e
always pu suing o imp o e hei business p ocesses applying co ec i e
ac ions when needed. Howe e , he ac ual analysis and decision mak-
ing o hose ac ions is ypically a challenging ask elying on ex ensi e
human-in- he-loop expe ise. Speci ically, his imp o emen p ocess usu-
ally in ol es: (i) o analyse e idences o unde s and he cu en beha -
io ; (ii) o decide he ac ual objec i es (usually de ined in Se ice Le el
Ag eemen s -SLAs- based on in ui ion) and (iii) o es ablish he im-
p o emen plan. In his ongoing wo k, we aim o p opose a da a-d i en
and in ui ion- ee me hodology o de ine an SLA as a go e nance ele-
men ha speci ies he se ice le el objec i es in an explici way. Such a
me hodology conside s p ocess pe o mance indica o s ha a e analysed
by means o in e ence, op imiza ion, and simula ion echniques. In o de
o mo i a e and exempli y ou wo k we add ess a Heal hca e scena io.
1 In oduc ion o ou P oposed Me hodology
Nowadays, in a changing and compe i i e business wo ld, o ganisa ions mus
keep hei business p ocesses (BPs) unde con ol. In o he wo ds, hey mus
analyse i cu en BPs beha iou is as expec ed o no . Howe e , such an anal-
ysis is no easy o be add essed and au oma ed because i elies on ex ensi e
human-in- he-loop expe ise in se e al asks, namely: (i) o ex ac in o ma ion
om e idences (such as logs o incidences) o unde s and he cu en beha iou ;
(ii) o decide, based on in ui ion, he ac ual objec i es in Se ice Le el Ag ee-
men s (SLAs) ha go e n he o ganisa ion; and (iii) o es ablish he imp o e-
men ac ions. In his ongoing pape we p opose a da a-d i en me hodology ha
au oma ically ga he s an SLA o go e n he o ganisa ion ac i i ies by means o
Se ice Le el Objec i es (SLOs). As one o i s ad an ages, ou p oposal does no
equi es ha a p e ious SLA we e ini ially de ined by o ganisa ions. To he con-
a y, being da a-d i en, i c ea es an SLA jus om a se o e en logs om he
?This wo k was pa ially suppo ed by he Eu opean Commission (FEDER), he Eu-
opean Union Ho izon 2020 esea ch and inno a ion p og amme unde he Ma ie
Sklodowska-Cu ie g an ag eemen No 645751 (RISE BPM), he Spanish and he
Andalusian R&D&I p og ams (g an s TIN2015-70560-R, P12-TIC-1867), he Na-
ional Resea ch Founda ion o Ko ea (No.NRF-2014K1A3A7A030737007).
cu en BPs beha iou ; and a se o P ocess Pe o mance Indica o s (PPIs) [1, 5].
A ollowing we in oduce he me hodology (c. . Fig.1) using as unning example
he p ocesses o a Hospi al In . Sys em (HIS) wi hou a p ede ined SLA.
P ocess
Mining
SLA
De ini ion
Simula ion P ocess
Mining’
Op imizing
SLOs
In e ing
SLOs E alua ion
PPIs
E en
Logs
CSLOs DSLOs
E en
Logs’
PPIs’
SLA
Manage s
Fig. 1. SLA-Awa e Me hodology o Imp o e O ganisa ions Pe o mance.
Ini ially, we assume ha he HIS gene a es a numbe o e en logs including
di e en da a (e.g. ini ial and end momen , s a e, e c [6]) as esul o ope a ing
on mul iple p ocesses (e.g. egula o eme gency oom p ocesses, e c) o pe o m
se e al heal hca e ac i i ies (e.g. magne ic esonance imaging -MRI-, X- ay, e c).
In a p ocess mining ac i i y he e en logs a e p ocessed in conjunc ion wi h
a numbe o PPIs de ined by hospi al manage s (e.g. ”P obabili y ha wo king
ime o pa ien s who ake MRI es is less han 71 min.”). As esul o he p o-
cess mining we would ge he measu es o all PPIs and hey a e he inpu o
an in e ing SLOs ac i i y. Such an ac i i y in e s he Cu en Se ice Le el
Objec i es (CSLOs in Fig. 1) o selec ed, manually o no , PPIs. These CSLOs
deno e he ac ual cu en HIS beha iou o he PPIs (e.g. ”P obabili y ha
wo king ime o pa ien s who ake MRI es is less han 71 min. is mo e han
95%”) conside ing some o ganisa ional ac o s in ol ed in he Hospi al BPs (e.g.
”wi h 15 employees and 3000$ pe employee.”). A his poin , he CSLOs a e
p ocessed by some op imiza ion echniques in an op imizing SLOs ac i i y
ha ga he s a numbe o desi ed SLOs (DSLOs in Fig. 1) deno ing he desi ed
beha iou ha Hospi al manage s would like o achie e. The unde lying op i-
miza ion echnique [4, 2] can be con igu ed by Hospi al manage s conside ing he
men ioned o ganisa ional ac o s. An example o DSLO could be ”P obabili y
ha wo king ime o pa ien s who ake MRI es is less han 71 min. is mo e
han 99%”) achie ed by speci ic alues o he o ganisa ional ac o s (e.g. ”wi h
17 employees and 2700$ pe employee.”). A e ha , we p opose o analyse i he
applica ion o DSLOs esul s in a p ope BPs beha iou o no . In doing so, a
simula ion model gene a ed om he ini ial e en logs [3] can be modi ied based
on DSLOs, hen a new se o e en logs (e en logs’ in Fig. 1) is ob ained and
i is inpu ed in o a new p ocess mining’ ac i i y o ge he simula ed mea-
su es o all PPIs (PPIs’ in Fig. 1). Then, an e alua ion ac i i y is pe o med o
analyse he de ia ion be ween simula ed measu es o PPIs’ and he DSLOs. In
case o de ia ion some ac i i ies a e execu ed again bu wi h di e en se ings
(o ganisa ional ac o s o DSLOs) om he Hospi al manage s. Speci ically, in
case o high de ia ion he in e ing SLOs ac i i y is execu ed again; and in
case o low de ia ion, he op imizing SLOs ac i i y is execu ed again. Finally,
i he de ia ion is negligible, he SLA de ini ion ac i i y is pe o med o ga he
he documen ha will go e n he BPs in u u e.
2 Conclusions and Fu u e Wo k
In his ongoing wo k we de ise an SLA-awa e and in ui ion- ee me hodology o
imp o e o ganisa ions pe o mance ha ga he s an SLA o go e n o ganisa ions.
The main bene i s o ou me hodology a e he ollowing: (i) he SLA is ga he ed
om ac ual BPs beha iou and no om sc a ch as adi ionally based on man-
age s in ui ion; (ii) he imp o emen is assu ed by simula ing and e alua ing he
p ocesses beha iou be o e c ea ing he SLA; and inally, (iii) he manual in e -
ac ion in he whole p ocess is limi ed o some manual se ings (c. . Fig.2 ha
depic s ou ision o a u u e ool o help manage s in he DSLOs de ini ion).
PPI 1
PPI 2
PPI 3
PPI 4
PPI 5
PPI1
“P obabili y ha wo king ime o pa ien s
who ake MRI es < 71.0 min. is mo e han 95%”
-15 employees
-3000$ pe employee
- Cu en SLO
“P obabili y ha wo king ime o pa ien s who
ake MRI es < is mo e han %”
- Desi ed SLO
95%
71.0
99%
71.0
- 1+ employee o imp o emen s Calcula e
Weigh
71
PPI2
GLOBAL
Op imiza ion
Hi e employees
Incen i e o $.
- Incen i e o 100$ o imp o emen s
Simula ion
DSLO 1 
DSLO 2 
DSLO 5 
PPI 3
PPI 4
99
Fig. 2. Mockup o he desi ed con ol panel.
Re e ences
1. A. del-R´ıo-O ega, M. Resinas, C. Cabanillas, and A. Ruiz-Co ´es. On he de ini ion
and design- ime analysis o p ocess pe o mance indica o s. In . Sys ., 38(4), 2013.
2. C. M¨ulle , M. Resinas, and A. Ruiz-Co ´es. Au oma ed Analysis o Con lic s in
WS–Ag eemen Documen s. T ansac ions on Se ices Compu ing, 2013.
3. A. Rozina , R.S. Mans, M. Song, and W.M.P. an de Aals . Disco e ing simula ion
models. In o ma ion Sys ems, 34(3):305–327, 2009.
4. A. Ruiz-Co ´es, O. Ma ´ın-D´ıaz, A. Du ´an, and M. To o. Imp o ing he Au o-
ma ic P ocu emen o Web Se ices using Cons ain P og amming. In . Jou nal
on Coope a i e In o ma ion Sys ems, 14(4), 2005.
5. W.M.P. an de Aals . P ocess cubes: Slicing, dicing, olling up and d illing down
e en da a o p ocess mining. In Asia Paci ic Business P ocess Managemen - Fi s
Asia Paci ic Con e ence, 2013, Beijing, China, 2013. Selec ed Pape s, 2013.
6. S. Yoo, M. Cho, E. Kim, S. Kim, Y. Sim, D. Yoo, H. Hwang, and M. Song. As-
sessmen o hospi al p ocesses using a p ocess mining echnique: Ou pa ien p ocess
analysis a a e ia y hospi al. In . Jou nal o Medical In o ma ics, 88, 2016.