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How Much Event Data Is Enough? A Statistical Framework for Process Discovery

  • Martin Bauer
  • Arik Senderovich
  • Avigdor Gal
  • Lars Grunske
  • Matthias WeidlichEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10816)

Abstract

With the increasing availability of business process related event logs, the scalability of techniques that discover a process model from such logs becomes a performance bottleneck. In particular, exploratory analysis that investigates manifold parameter settings of discovery algorithms, potentially using a software-as-a-service tool, relies on fast response times. However, common approaches for process model discovery always parse and analyse all available event data, whereas a small fraction of a log could have already led to a high-quality model. In this paper, we therefore present a framework for process discovery that relies on statistical pre-processing of an event log and significantly reduce its size by means of sampling. It thereby reduces the runtime and memory footprint of process discovery algorithms, while providing guarantees on the introduced sampling error. Experiments with two public real-world event logs reveal that our approach speeds up state-of-the-art discovery algorithms by a factor of up to 20 .

Keywords

Process discovery Log pre-processing Log sampling 

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Martin Bauer
    • 1
  • Arik Senderovich
    • 2
  • Avigdor Gal
    • 2
  • Lars Grunske
    • 1
  • Matthias Weidlich
    • 1
    Email author
  1. 1.Humboldt-Universität zu BerlinBerlinGermany
  2. 2.Technion – Israel Institute of TechnologyHaifaIsrael

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