Journal
EXPERT SYSTEMS WITH APPLICATIONS
Volume 39, Issue 11, Pages 10022-10030Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eswa.2012.02.008
Keywords
Group decision making; Consensus; Linguistic interval fuzzy preference relations
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Funding
- FEDER [TIN200761079, TIN201017876, PET20070460, TIC-05299, TIC-5991]
- Ministry of Public Works [90/07]
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Sometimes, we find decision situations in which it is difficult to express some preferences by means of concrete preference degrees. In this paper, we present a consensus model for group decision making problems in which the experts use linguistic interval fuzzy preference relations to represent their preferences. This model is based on two consensus criteria, a consensus measure and a proximity measure, and on the concept of coincidence among preferences. We compute both consensus criteria in the three representation levels of a preference relation and design an automatic feedback mechanism to guide experts in the consensus reaching process. (c) 2012 Elsevier Ltd. All rights reserved.
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