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Published in:
2015 | OriginalPaper | Chapter
Detection of Sequences with Anomalous Behavior in a Workflow Process
Authors : Marcelo G. Armentano, Analía A. Amandi
Published in: Database and Expert Systems Applications
Publisher: Springer International Publishing
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Abstract
A workflow process consists of an organized and repeatable pattern of activities that are necessary to complete a task, within the dynamics of an organization. The automatic recognition of deviations from the expected behavior within the workflow of an organization is crucial to provide assistance to new employees to accomplish his/her tasks. In this article, we propose a two-fold approach to this problem. First, taking the process logs as an input, we automatically build a statistical model that captures regularities in the activities carried out by the employees. Second, this model is used to track the activities performed by the employees to detect deviations from the expected behavior, according to the normal workflow of the organization. An experimental evaluation with five processes logs, with different levels of noise, was conducted to determine the validity of our approach.