The Community for Technology Leaders
Software Product Line Conference, International (2006)
Baltimore, Maryland
Aug. 21, 2006 to Aug. 24, 2006
ISBN: 0-7695-2599-7
pp: 123-130
Alexandre Bragan? , ISEP, IPP, Porto, Portugal
Ricardo J. Machado , Universidade do Minho, Guimar?es, Portugal
Software product lines and related approaches, like software factories, are starting to capture the attention of the industry practitioners. Nevertheless, their adoption outside the research community and big companies is still very restricted. We believe that model-driven approaches, like OMG?s MDA, with proper tool support, can bring the advantages of product lines to a broader audience. For this to become a reality, model-driven methods should integrate requirements models into the software development process. In this paper, we discuss the semantics of use case relationships and their formalization using activity diagrams to support variability specification. Particularly, we propose an extension to the ?extend? relationship that supports the adoption of UML 2.0 use case diagrams into modeldriven methods. Our proposal results from our work with 4SRS (4 Step Rule Set), a model-driven method in which use cases are the central model for requirements specification and model transformation.

R. J. Machado and A. Bragan?, "Extending UML 2.0 Metamodel for Complementary Usages of the ?extend? Relationship within Use Case Variability Specification," Software Product Line Conference, International(SPLC), Baltimore, Maryland, 2006, pp. 123-130.
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