Constraint-based workflow models: change made easy

  • Authors:

  • M. Pesic;M. H. Schonenberg;N. Sidorova;W. M. P. Van Der Aalst

  • Affiliations:

  • Department of Technology Management, Eindhoven University of Technology, Eindhoven, The Netherlands;Department of Mathematics and Computer Science, Eindhoven University of Technology, Eindhoven, The Netherlands;Department of Mathematics and Computer Science, Eindhoven University of Technology, Eindhoven, The Netherlands;Department of Mathematics and Computer Science, Eindhoven University of Technology, Eindhoven, The Netherlands

  • Venue:
  • OTM'07 Proceedings of the 2007 OTM Confederated international conference on On the move to meaningful internet systems: CoopIS, DOA, ODBASE, GADA, and IS - Volume Part I
  • Year:
  • 2007

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Abstract

The degree of flexibility of workflow management systems heavily influences the way business processes are executed. Constraint-based models are considered to be more flexible than traditional models because of their semantics: everything that does not violate constraints is allowed. Although constraint-based models are flexible, changes to process definitions might be needed to comply with evolving business domains and exceptional situations. Flexibility can be increased by run-time support for dynamic changes - transferring instances to a new model - and ad-hoc changes - changing the process definition for one instance. In this paper we propose a general framework for a constraint-based process modeling language and its implementation. Our approach supports both ad-hoc and dynamic change, and the transfer of instances can be done easier than in traditional approaches.