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TU Berlin

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Publications Olga Runge

Sufficient Criteria for Consistent Behavior Modeling with Refined Activity Diagrams: Long Version
Zitatschlüssel LJM+08
Autor Lambers, L. and Jurack, S. and Mehner, K. and Runge, O. and Taentzer, G.
Jahr 2008
ISBN ISSN 1436-9915
Nummer 2008-11
Institution Technische Universität Berlin
Zusammenfassung In use case-driven approaches to requirements modeling, UML activity diagrams are a wide-spread means for refining the functional view of use cases. Early consistency validation of activity diagrams is therefore desirable but difficult due to the semi-formal nature of activity diagrams. In this paper, we specify well-structured activity diagrams and define activities more precisely by pre- and post- conditions. They can be modeled by interrelated pairs of object diagrams based on a domain class diagram. This activity refinement is based on the theory of graph transformation and paves the ground for a consistency analysis of the required system behavior. A formal semantics for activity diagrams refined by pre- and post-conditions allows us to establish sufficient criteria for consistency. The semi-automatic checking of these criteria is supported by a tool for graph transformation.
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