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Process Model Realism: Measuring Implicit Realism

Book Contribution - Book Chapter Conference Contribution

Determining the quality of a discovered process model is an important but non-trivial task. In this article, we focus on evaluating the realism level of a discovered process model, i.e. to what extent does the model contain the process behavior that is present in the true underlying process and nothing more. The IR Measure is proposed which represents the probability that a discovered model would have produced a log that is missing a certain amount of behavior observed in the discovered model. This measure expresses the strength of evidence that the discovered process model could be the true underlying model. Empirical results show that the Measure behaves as expected. The IR value drops when the discovered model contains unrealistic behavior. The IR value decreases as the amount of unrealistic behavior in the discovered model increases. The IR value increases as the amount of behavior in the underlying process increases, ceteris paribus.
Book: Business Process Management Workshops: BPM 2014 International Workshops, Eindhoven, The Netherlands, September 7-8, 2014, Revised Papers
Series: Lecture Notes in Business Information Processing
Pages: 342 - 352
ISBN:978-3-319-15894-5
Publication year:2015
Keywords:process model quality, process model realism, implicit realism measure
BOF-keylabel:yes
IOF-keylabel:yes
Accessibility:Closed