Dempster Specialization Matrices and the Combination of Belief Functions

  • Authors:
  • Paul-André Monney

  • Affiliations:
  • -

  • Venue:
  • ECSQARU '01 Proceedings of the 6th European Conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty
  • Year:
  • 2001

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Abstract

This paper is a self-contained presentation of a method for combining several belief functions on a common frame that is different from a mere application of Dempster's rule. All the necessary results and their proofs are presented in the paper. It begins with a review and explanation of concepts related to the notion of non-normalized mass-function, or gem-function, introduced by P. Smets under the name basic belief assignment [1,6]. Then the link with Dempster's rule of combination is established. Several results in relation with the notion of Dempster specialization matrix are proved for the first time [2]. Based on these results, the method is then presented and a small application is considered.