Fuzzy conformance checking of observed behaviour with expectations

  • Authors:
  • Stefano Bragaglia;Federico Chesani;Paola Mello;Marco Montali;Davide Sottara

  • Affiliations:
  • DEIS, University of Bologna, Bologna, Italy;DEIS, University of Bologna, Bologna, Italy;DEIS, University of Bologna, Bologna, Italy;KRDB Research Centre, Free University of Bozen-Bolzano, Bolzano, Italy;DEIS, University of Bologna, Bologna, Italy

  • Venue:
  • AI*IA'11 Proceedings of the 12th international conference on Artificial intelligence around man and beyond
  • Year:
  • 2011

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Abstract

In some different research fields a research issue has been to establish if the external, observed behaviour of an entity is conformant to some rules/specifications/ expectations. Research areas like Multi Agent Systems, Business Process, and Legal/Normative systems, have proposed different characterizations of the same problem, named as the conformance problem. Most of the available systems, however, provide only simple yes/no answers to the conformance issue. In this paper we introduce the idea of a gradual conformance, expressed in fuzzy terms. To this end, we present a system based on a fuzzy extension of Drools, and exploit it to perform conformance tests. In particular, we consider two aspects: the first related to fuzzy ontological aspects, and the second about fuzzy time-related aspects. Moreover, we discuss how to conjugate the fuzzy contributions from these aspects to get a single, fuzzy score representing a conformance degree.