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Regular version of the site

Book chapter

Process Model Repair by Detecting Unfitting Fragments

P. 301-313.
Mitsyuk A. A., Lomazova I. A., Ivan S. Shugurov, Wil M.P. van der Aalst.

Process models often do not adequately reflect the behavior of real-life systems. In the general case, it is possible to construct a new adequate model by applying one of the discovery algorithms. At the same time, there are cases when the original model is of particular value. In such cases, it is better to apply model repair algorithms. Those algorithms construct a model which reflects real behavior according to some criteria. Moreover, the repaired model remains as similar to the original one as possible. This paper proposes a modular approach which consists of three parts: (1) decomposing the process model and event log into model fragments and sub-logs, (2) selecting the fragments which need to be repaired, (3) repairing the selected fragments using a process discovery algorithm.