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The Consideration of Evaluator's Confidence and Risk Attitude in Fuzzy-AHP  

Nam, Ji-Hee (Korea Atomic Energy Research Institute)
Lee, Young-Gun (Korea Atomic Energy Research Institute)
Kim, Kwan-Hyun (Korea Atomic Energy Research Institute)
Choi, Gi-Ryun (Dept. of Energy, Ajou Univ.)
Park, Chan-Gook (Korea Atomic Energy Research Institute)
Publication Information
Journal of Korean Society of Industrial and Systems Engineering / v.30, no.1, 2007 , pp. 89-95 More about this Journal
Abstract
In general, reliability of AHP(Analytic Hierarchy Process) depends on pairwise comparison of evaluators. In addition, human judgment on the importance of alternatives or criteria is always imprecise and vague. To cope with these shortcomings, Fuzzy AHP is suggested and used widely recently. But in Fuzzy AHP, it cannot deal with the evaluator's various attitudes towards risk and confidence owing to evaluator's different expertise and experience. This paper proposes a method for consideration of evaluator's confidence and risk attitude in Fuzzy AHP. And suggested methods are applied various scenarios to verify the meaningfulness. The result shows that the priority of alternatives can be change through the consideration of evaluator's confidence and risk attitude.
Keywords
AHP; Fuzzy AHP; Triangular Fuzzy Numbers; Confidence and Risk Attitude;
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