Extending process logs with events from supplementary sources

Conference Contribution

Mannhardt, F., Leoni, de, M. & Reijers, H.A. (2015). Extending process logs with events from supplementary sources. In J. Mendling & F. Fournier (Eds.), Business Process Management Workshops (BPM 2014 International Workshops, Eindhoven, The Netherlands, September 7-8, 2014, Revised Papers) (pp. 235-247). (Lecture notes in business information processing (LNBIP), No. 202). Berlin: Springer. In Scopus Cited 3 times.

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Since organizations typically use more than a single IT system, information about the execution of a process is rarely available in a single event log. More commonly, data is scattered across different locations and unlinked by common case identifiers. We present a method to extend an incomplete main event log with events from supplementary data sources, even though the latter lack references to the cases recorded in the main event log. We establish this correlation by using the control-flow, time, resource, and data perspectives of a process model, as well as alignment diagnostics. We evaluate our approach on a real-life event log and discuss the reliability of the correlation under different circumstances. Our evaluation shows that it is possible to correlate a large portion of the events by using our method.