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Erschienen in:
2009 | OriginalPaper | Buchkapitel
Oclets – Scenario-Based Modeling with Petri Nets
verfasst von : Dirk Fahland
Erschienen in: Applications and Theory of Petri Nets
Verlag: Springer Berlin Heidelberg
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We present a novel, operational, formal model for scenario-based modeling with Petri nets. A scenario-based model describes the system behavior in terms of partial runs, called
scenarios
. This paradigm has been formalized in message sequence charts (MSCs) and live sequence charts (LSCs) which are in industrial and academic use. A particular application for scenarios are process models in disaster management where system behavior has to be
adapted
frequently, occasionally at run-time. An
operational semantics
of scenarios would allow to execute and adapt such systems on a formal basis.
In this paper, we present a class of Petri nets for
specifying
and
modeling
systems with scenarios and anti-scenarios. We provide an operational semantics allowing to iteratively construct partially ordered runs that satisfy a given specification. We prove the correctness of our results.