Supporting risk-informed decisions during business process execution

Authors:
Raffaele Conforti;Massimiliano de Leoni;Marcello La Rosa;Wil M. P. van der Aalst
Affiliations:
Queensland University of Technology, Australia;Eindhoven University of Technology, The Netherlands;Queensland University of Technology, Australia,NICTA Queensland Lab, Australia;Eindhoven University of Technology, The Netherlands,Queensland University of Technology, Australia
Venue:
CAiSE'13 Proceedings of the 25th international conference on Advanced Information Systems Engineering
Year:
2013

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Abstract

This paper proposes a technique that supports process participants in making risk-informed decisions, with the aim to reduce the process risks. Risk reduction involves decreasing the likelihood and severity of a process fault from occurring. Given a process exposed to risks, e.g. a financial process exposed to a risk of reputation loss, we enact this process and whenever a process participant needs to provide input to the process, e.g. by selecting the next task to execute or by filling out a form, we prompt the participant with the expected risk that a given fault will occur given the particular input. These risks are predicted by traversing decision trees generated from the logs of past process executions and considering process data, involved resources, task durations and contextual information like task frequencies. The approach has been implemented in the YAWL system and its effectiveness evaluated. The results show that the process instances executed in the tests complete with significantly fewer faults and with lower fault severities, when taking into account the recommendations provided by our technique.