ADOME-WFMS: Towards Cooperative Handling of Workflow Exceptions

  • Authors:
  • Dickson K. W. Chiu;Qing Li;Kamalakar Karlapalem

  • Affiliations:
  • -;-;-

  • Venue:
  • Advances in Exception Handling Techniques (the book grow out of a ECOOP 2000 workshop)
  • Year:
  • 2001

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Abstract

Exception handling in workflow management systems (WFMSs) is a very important problem since it is not possible to specify all possible outcomes and alternatives. Effective reuse of existing exception handlers can greatly help in dealing with workflow exceptions. On the other hand, cooperative support for user-driven resolution of unexpected exceptions and workflow evolution at runtime is vital for an adaptive WFMS. We have developed ADOME-WFMS via a meta-modeling approach as a comprehensive framework in which the problem of workflow exception handling can be adequately addressed. In this chapter, we present an overview of exception handling in ADOME-WFMS with procedures for supporting the following: reuse of exception handlers, thorough and automated resolution of expected exceptions, effective management of Problem Solving Agents, cooperative exception handling, user-driven computer supported resolution of unexpected exceptions, and workflow evolution.