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International Journal of General Systems Volume 10, 1985 - Issue 4
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Original Articles

A NOTE ON MEASURES OF SPECIFICITY FOR FUZZY SETS

DIDIER DUBOIS Université Paul Sabatier, Laboratoire Langages et Systémes Informatiques 118, route de Narbonne, Toulouse Cedex, 31062
&
HENRI PRADE Université Paul Sabatier, Laboratoire Langages et Systémes Informatiques 118, route de Narbonne, Toulouse Cedex, 31062
Pages 279-283 | Received 18 Jun 1984, Published online: 27 Apr 2007
 
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Abstract

This note discusses a few issues related to Yager's specificity index and the “possibilistic entropy” recently introduced by Higashi and Klir. A probabilistic interpretation of Yager's index is provided; moreover it is indicated that both indices can be straightforwardly extended to assess the amount of imprecision in Shafer's belief functions.

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