CHOQUET AGGREGATION BASED DECISION MAKING UNDER Z-INFORMATION

ICTACT Journal on Soft Computing ( Volume: 4 , Issue: 4 )

Abstract

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The concept of decision making under uncertainty is usually associated with information that may be incomplete, not reliable or imprecise, so there are several types of uncertainty. A partial absence of beliefs and fuzziness are some of the aspects of uncertainty. In this paper we consider a somewhat different framework for representing our knowledge. Zadeh suggested a Z-number notion, based on a reliability of the given information. In this study we apply Z- information to decision making in business problem and suggest the framework for decision making on a base of Z-numbers. The method associates with the construction of a non-additive measure as a lower prevision and uses this capacity in Choquet integral for constructing a utility function. An example of real-world business problem is used to illustrate the proposed approach.

Authors

Lala M. Zeinalova
Azerbaijan State Oil Academy, Azerbaijan

Keywords

Z-Number, Fuzzy Set, Choquet Integral, Lower Prevision, Decision Making

Published By
ICTACT
Published In
ICTACT Journal on Soft Computing
( Volume: 4 , Issue: 4 )
Date of Publication
July 2014
Pages
819-824

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