Privacy-preserving process mining in healthcare

Anastasiia Pika (Corresponding author), Moe T. Wynn, Stephanus Budiono, Arthur H.M.Ter Hofstede, Wil M.P. van der Aalst, Hajo A. Reijers

Research output: Contribution to journalArticleAcademicpeer-review

5 Citations (Scopus)

Abstract

Process mining has been successfully applied in the healthcare domain and has helped to uncover various insights for improving healthcare processes. While the benefits of process mining are widely acknowledged, many people rightfully have concerns about irresponsible uses of personal data. Healthcare information systems contain highly sensitive information and healthcare regulations often require protection of data privacy. The need to comply with strict privacy requirements may result in a decreased data utility for analysis. Until recently, data privacy issues did not get much attention in the process mining community; however, several privacy-preserving data transformation techniques have been proposed in the data mining community. Many similarities between data mining and process mining exist, but there are key differences that make privacy-preserving data mining techniques unsuitable to anonymise process data (without adaptations). In this article, we analyse data privacy and utility requirements for healthcare process data and assess the suitability of privacy-preserving data transformation methods to anonymise healthcare data. We demonstrate how some of these anonymisation methods affect various process mining results using three publicly available healthcare event logs. We describe a framework for privacy-preserving process mining that can support healthcare process mining analyses. We also advocate the recording of privacy metadata to capture information about privacy-preserving transformations performed on an event log.

Original languageEnglish
Article number1612
Number of pages28
JournalInternational Journal of Environmental Research and Public Health
Volume17
Issue number5
DOIs
Publication statusPublished - 2 Mar 2020

Keywords

  • Anonymisation
  • Data privacy
  • Healthcare process data
  • Privacy metadata
  • Process mining

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