A Collaborative Framework for Unexpected Exception Handling

  • Hernâni Mourão
  • Pedro Antunes
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3706)

Abstract

This paper proposes a collaborative framework handling unexpected exceptions in Workflow Management Systems (WfMS). Unexpected excep tions correspond to unpredicted situations for which the system can not suggest any solutions. We introduce the notion that exception recovery is a collabora tive problem solving activity that should be addressed through an intertwined play between several actors performing two types of tasks: (1) diagnosing situations; and (2) planning recovery actions. We propose a set of dimensions to classify the exceptional situations and their relations to recovery strategies. We also discuss the importance of monitoring recovery actions within the scope of diagnosis tasks. The proposed solution is implemented through a dedicated workflow.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Hernâni Mourão
    • 1
  • Pedro Antunes
    • 2
  1. 1.LASIGE (Laboratory of Large Scale Information Systems), PortugalEscola Superior de Ciências Empresariais, Instituto Politécnico de SetúbalSetúbal
  2. 2.LASIGE (Laboratory of Large Scale Information Systems), PortugalFaculdade de Ciências, Universidade de Lisboa, Departamento de InformáticaLisboa

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