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Identifying modularity improvement opportunities in goal-oriented requirements models
{ Wed, 2 Jul 2014, 14h00 }

By: Catarina Gralha Almeida  [ hide info ] ; João Araújo ; Miguel Goulão

Catarina Gralha Almeida

Country: Portugal

Email: acg.almeida(at)

Affiliation: Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa ( PT )


Catarina Gralha holds a first degree on Informatics Engineering at UNL and is currently a MSc student at UNL and her principal research interests are Requirements Engineering (RE), Model-Driven Engineering (MDE), and Experimental Software Engineering, where, she has published papers on these topics in an international conference (CAiSE) and a workshop (i-star).

(Best Paper Award published at CAiSE'14) Goal-oriented Requirements Engineering approaches have become popular in the Requirements Engineering community as they provide expressive model elements for requirements elicitation and analysis. However, as a common challenge, they are still struggling when it comes to managing the accidental complexity of their models. In this paper, we provide a set of metrics, which are formally specified and have tool support,to measure and analyze the complexity of goal models, in particular i* models. The aim is to identify refactoring opportunities to improve the modularity of those models, and consequently reduce their complexity. We evaluate these metrics by applying them to a set of well-known case studies from industry and academia. Our results allow the identification of refactoring opportunities in the evaluated models.

Hosted by: Software Systems

Location: DI seminars room

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