An experimental evaluation of passage-based process discovery

Research output: Book/ReportReportAcademic

Abstract

In the area of process mining, the ILP Miner is known for the fact that it always returns a Petri net that perfectly fits a given event log. However, the downside of the ILP Miner is that its complexity is exponential in the number of event classes in that event log. As a result, the ILP Miner may take a very long time to return a Petri net. Partitioning the traces in the event log over multiple event logs does not really alleviate this problem. Like for most process discovery algorithms, the complexity is linear in the size of the event log and exponential in the number of event classes (i.e., distinct activities). Hence, the potential gain by partitioning the event classes is much higher. This paper proposes to use the so-called passages to split up the event classes over multiple event logs, and shows what the results are for seven large event logs. The results show that indeed the use of passages alleviates the complexity, but that much hinges on the size of the largest passage detected: The smaller this passage, the better the run time.
Original languageEnglish
PublisherBPMcenter. org
Number of pages12
Publication statusPublished - 2012

Publication series

NameBPM reports
Volume1214

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