An uncertainty model for a diagnostic expert system based on fuzzy algebras of strict monotonic operations

  • Authors:
  • Leonid Sheremetov;Ildar Batyrshin;Denis Filatov;Jorge Martínez-Muñoz

  • Affiliations:
  • Mexican Petroleum Institute, Mexico D.F., Mexico;Mexican Petroleum Institute, Mexico D.F., Mexico;Centre for Computing Research, National Polytechnic Institute, Mexico D.F., Mexico;Mexican Petroleum Institute, Mexico D.F., Mexico

  • Venue:
  • MICAI'06 Proceedings of the 5th Mexican international conference on Artificial Intelligence
  • Year:
  • 2006

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Abstract

Expert knowledge in most of application domains is uncertain, incomplete and perception-based. For processing such expert knowledge an expert system should be able to represent and manipulate perception-based evaluations of uncertainties of facts and rules, to support multiple-valuedness of variables, and to make conclusions with unknown values of variables. This paper describes an uncertainty model based on two algebras of conjunctive and disjunctive multi-sets used by the inference engine for processing perception-based evaluations of uncertainties. The discussion is illustrated by examples of the expert system, called SMART-Agua, which is aimed to diagnose and give solution to water production problems in petroleum wells.