Belief functions contextual discounting and canonical decompositions |
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Authors: | David Mercier Éric Lefèvre François Delmotte |
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Institution: | a Univ. Lille Nord de France, F-59000 Lille, France b UArtois, LGI2A, F-62400 Béthune, France |
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Abstract: | In this article, the contextual discounting of a belief function, a classical discounting generalization, is extended and its particular link with the canonical disjunctive decomposition is highlighted. A general family of correction mechanisms allowing one to weaken the information provided by a source is then introduced, as well as the dual of this family allowing one to strengthen a belief function. |
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Keywords: | Belief functions Discounting Reinforcement Canonical decompositions |
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