Automatic Repair of Same-Timestamp Errors in Business Process Event Logs
AuthorConforti, R; La Rosa, M; ter Hofstede, A; Augusto, A
Source TitleLecture Notes in Computer Science
AffiliationComputing and Information Systems
Document TypeConference Paper
CitationsConforti, R., La Rosa, M., ter Hofstede, A. & Augusto, A. (2020). Automatic Repair of Same-Timestamp Errors in Business Process Event Logs. Conference on Business Process Management - BPM 2020, 12168 LNCS, pp.327-345. Springer. https://doi.org/10.1007/978-3-030-58666-9_19.
Access StatusOpen Access
ARC Grant codeARC/DP180102839
This paper contributes an approach for automatically correcting “same timestamp” errors in business process event logs. These errors consist in multiple events exhibiting the same timestamp within a given process instance. Such errors are common in practice and can be due to the logging granularity or the performance load of the logging system. Analyzing logs that have not been properly screened for such problems is likely to lead to wrong or misleading process insights. The proposed approach revolves around two techniques: one to reorder events with same-timestamp errors, the other to assign an estimated timestamp to each such event. The approach has been implemented in a software prototype and extensively evaluated in different settings, using both artificial and real-life logs. The experiments show that the approach significantly reduces the number of inaccurate timestamps, while the reordering of events scales well to large and complex datasets. The evaluation is complemented by a case study in the meat & livestock domain showing the usefulness of the approach in practice.
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