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Discovering Duplicate Tasks in Transition Systems for the Simplification of Process Models

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Book cover Business Process Management (BPM 2016)

Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 9850))

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Abstract

This work presents a set of methods to improve the understandability of process models. Traditionally, simplification methods trade off quality metrics, such as fitness or precision. Conversely, the methods proposed in this paper produce simplified models while preserving or even increasing fidelity metrics. The first problem addressed in the paper is the discovery of duplicate tasks. A new method is proposed that avoids overfitting by working on the transition system generated by the log. The method is able to discover duplicate tasks even in the presence of concurrency and choice. The second problem is the structural simplification of the model by identifying optional and repetitive tasks. The tasks are substituted by annotated events that allow the removal of silent tasks and reduce the complexity of the model. An important feature of the methods proposed in this paper is that they are independent from the actual miner used for process discovery.

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Notes

  1. 1.

    \(\mathcal {B}(A)\) denotes the set of all multisets over A.

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Acknowledgments

This work has been partially supported by funds from the Spanish Ministry for Economy and Competitiveness and the European Union (FEDER funds) under grant TIN2013-46181-C2-1-R, and the Generalitat de Catalunya (2014 SGR 1034 and FI-DGR 2015).

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Authors and Affiliations

  1. Department of Computer Science, Universitat Politècnica de Catalunya, Barcelona, Spain

    Javier de San Pedro & Jordi Cortadella

Authors
  1. Javier de San Pedro
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  2. Jordi Cortadella
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Corresponding author

Correspondence to Javier de San Pedro .

Editor information

Editors and Affiliations

  1. Queensland University of Technology, Brisbane, Queensland, Australia

    Marcello La Rosa

  2. DFKI, Universität des Saarlandes DFKI, Saarbrücken, Saarland, Germany

    Peter Loos

  3. Universidad Politècnica de Valencia , Valencia, Spain

    Oscar Pastor

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de San Pedro, J., Cortadella, J. (2016). Discovering Duplicate Tasks in Transition Systems for the Simplification of Process Models. In: La Rosa, M., Loos, P., Pastor, O. (eds) Business Process Management. BPM 2016. Lecture Notes in Computer Science(), vol 9850. Springer, Cham. https://doi.org/10.1007/978-3-319-45348-4_7

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  • DOI: https://doi.org/10.1007/978-3-319-45348-4_7

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-45347-7

  • Online ISBN: 978-3-319-45348-4

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