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Erschienen in:
2013 | OriginalPaper | Buchkapitel
A Framework to Evaluate Complexity and Completeness of KAOS Goal Models
verfasst von : Patrícia Espada, Miguel Goulão, João Araújo
Erschienen in: Advanced Information Systems Engineering
Verlag: Springer Berlin Heidelberg
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Goal-Oriented Requirements Engineering (GORE) approaches have been developed to facilitate the requirements engineers work by, for example, providing abstraction mechanisms to help eliciting and modeling requirements. One of the well-established GORE approaches is KAOS. Nevertheless, in large-scale systems building KAOS models may result in incomplete and/or complex goal models, which are difficult to understand and change. This may lead to an increase in costs of product development and evolution. Thus, for large-scale systems, the effective management of complexity and completeness of goal models is vital. In this paper, we propose a metrics framework for supporting the quantitative assessment of complexity and completeness of KAOS goal models. Those metrics are formally specified, implemented and incorporated in a KAOS modeling tool. We validate the metrics with a set of real-world case studies and discuss the identified recurring modeling practices.