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Published in:
2014 | OriginalPaper | Chapter
Identifying Modularity Improvement Opportunities in Goal-Oriented Requirements Models
Authors : Catarina Gralha, Miguel Goulão, João Araújo
Published in: Advanced Information Systems Engineering
Publisher: Springer International Publishing
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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.