Ensuring correctness during process configuration via partner synthesis

  • Authors:

  • Wil M. P. van der Aalst;Niels Lohmann;Marcello La Rosa

  • Affiliations:

  • Eindhoven University of Technology, The Netherlands and Queensland University of Technology, Australia;Universität Rostock, Germany;Queensland University of Technology, Australia

  • Venue:
  • Information Systems
  • Year:
  • 2012

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Abstract

Variants of the same process can be encountered within one organization or across different organizations. For example, different municipalities, courts, and rental agencies all need to support highly similar processes. In fact, procurement and sales processes can be found in almost any organization. However, despite these similarities, there is also the need to allow for local variations in a controlled manner. Therefore, many academics and practitioners have advocated the use of configurable process models (sometimes referred to as reference models). A configurable process model describes a family of similar process models in a given domain. Such a model can be configured to obtain a specific process model that is subsequently used to handle individual cases, for instance, to process customer orders. Process configuration is notoriously difficult as there may be all kinds of interdependencies between configuration decisions. In fact, an incorrect configuration may lead to behavioral issues such as deadlocks and livelocks. To address this problem, we present a novel verification approach inspired by the ''operating guidelines'' used for partner synthesis. We view the configuration process as an external service, and compute a characterization of all such services which meet particular requirements via the notion of configuration guideline. As a result, we can characterize all feasible configurations (i.e., configurations without behavioral problems) at design time, instead of repeatedly checking each individual configuration while configuring a process model.