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Hierarchical Structuring of a Workflow Model in Petri-Net

In this paper, we introduce the way of deriving hierarchical structure of a workflow model represented in classical Petrinet, even for the cases with cycles, which allows handling a workflow model efficiently. More specifically, our method identifies any block structures as candidates for the subprocesses and represents them as a single block node in the upper layer of the hierarchical model. The proposed method can make workflow analysis and design more accurate and efficient and further lead to a better design on a collaborate environment.