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Erschienen in:
2006 | OriginalPaper | Buchkapitel
Transforming Workflow Graphs
verfasst von : Johann Eder, Wolfgang Gruber, Horst Pichler
Erschienen in: Interoperability of Enterprise Software and Applications
Verlag: Springer London
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Workflow management systems are very useful for integrating separately developed application systems by controlling flows of execution. For various purposes (e.g. distribution of activities, workflow evolution, time calculation, etc.) it is necessary to change the representation of a workflow, the structure of a workflow graph without changing it’s semantics. We provide an equivalence definition of workflow graphs and introduce a set of basic transformation operations defined on workflow graphs which keep the semantics. We show how these basic operations can be combined to achieve complex transformations and briefly describe a prototypical transformation tool.