A Model Slicing Method for Workflow Verification

  • Authors:
  • Fazle Rabbi;Hao Wang;Wendy Maccaull;Adrian Rutle

  • Affiliations:
  • -;-;-;-

  • Venue:
  • Electronic Notes in Theoretical Computer Science (ENTCS)
  • Year:
  • 2013

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Abstract

Workflow systems increase productivity and quality of service; however, defects in a workflow model may have severe consequences. While model checking techniques can be used to verify the correctness of a workflow model, these techniques typically suffer from the state explosion problem. We propose a model slicing algorithm with a formal proof to address this problem. The algorithm is integrated into our NOVA Workflow framework, which facilitates design, verification, execution, and error-handling. An experimental result has been presented to show that the proposed algorithm makes the verification more efficient in terms of state space and hence for memory and time usage.