Document Type : Research Paper

Author

Department of Computer Sciences, Iv. Javakhishvili Tbilisi State University, Tbilisi, Georgia.

Abstract

The Ordered Weighted Averaging (OWA) operator was introduced by Yager [58] to provide a method for aggregating inputs that lie between the max and min operators. In this article several variants of the generalizations of the fuzzy-probabilistic OWA operator - POWA (introduced by Merigo [27] and [28]) are presented in the environment of fuzzy uncertainty, where different monotone measures (fuzzy measure) are used as an uncertainty measure. The considered monotone measures are: possibility measure, Sugeno additive measure, monotone measure associated with Belief Structure and capacity of order two. New aggregation operators are introduced: AsPOWA and SA-AsPOWA. Some properties of new aggregation operators are proved. Concrete faces of new operators are presented with respect to different monotone measures and mean operators. Concrete operators are induced by the Monotone Expectation (Choquet integral) or Fuzzy Expected Value (Sugeno integral) and the Associated Probability Class (APC) of a monotone measure. For the new operators the information measures–Orness, Entropy, Divergence and Balance are introduced as some extensions of the definitions presented in [28].

Keywords

Main Subjects

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