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Sunday, 28 April 2013 09:00

Chapter 12 - Constraint-based Process Models

This chapter introduces constraint-based approaches to process modeling and execution which enable loosely-specified processes. While pre-specified process models define how things have to be done (i.e., in what order and under what conditions activities shall be executed), constraint-based process models focus on what should be done by describing the activities that may be performed and the constraints prohibiting undesired execution behavior. In this chapter we address the modeling, verification, and execution of constraint-based process models. Moreover, we discuss how these models can be adapted and evolved over time. We further present techniques for assisting end-users during process execution. Finally, constraint-based process models and pre-specified ones are systematically compared and ways to integrate both approaches are discussed.

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