A vague-set-based fuzzy multi-objective decision making model for bidding purchase

Abstract：A vague-set-based fuzzy multi-objective decision making model is developed for evaluating bidding plans in a bidding purchase process. A group of decision-makers (DMs) first independently assess bidding plans according to their experience and preferences, and these assessments may be expressed as linguistic terms, which are then converted to fuzzy numbers. The resulting decision matrices are then transformed to objective membership grade matrices. The lower bound of satisfaction and upper bound of dissatisfaction are used to determine each bidding plans supporting, opposing, and neutral objective sets, which together determine the vague value of a bidding plan. Finally, a score function is employed to rank all bidding plans. A new score function based on vague sets is introduced in the model and a novel method is presented for calculating the lower bound of satisfaction and upper bound of dissatisfaction. In a vague-set-based fuzzy multi-objective decision making model, different valuations for upper and lower bounds of satisfaction usually lead to distinct ranking results. Therefore, it is crucial to effectively contain DMs arbitrariness and subjectivity when these values are determined. 作者： Author： WANG Zhou-jing[1]  QIAN Edward Y.[2] 作者單位： Department of Automation, Xiamen University, Xiamen 361005, ChinaCenter for Research of Private Economy, Zhejiang University, Hangzhou 310027, China 期 刊： 浙江大學(xué)學(xué)報(bào)A（英文版）   ISTICEISCI Journal： JOURNAL OF ZHEJIANG UNIVERSITY SCIENCE A 年，卷(期)： 2007, 8(4) 分類號(hào)： N949 Keywords： Fuzzy multi-objective decision making model    Vague set    Score function    Lower bound of satisfaction    Upper bound of dissatisfaction    機(jī)標(biāo)分類號(hào)： O1 TP3 機(jī)標(biāo)關(guān)鍵詞： decision making    score function    upper bound    upper and lower bounds    membership grade    linguistic terms    fuzzy numbers    vague sets 基金項(xiàng)目： Department of Automation,Xiamen University, China A vague-set-based fuzzy multi-objective decision making model for bidding purchase[期刊論文]  浙江大學(xué)學(xué)報(bào)A（英文版） --2007, 8(4)A vague-set-based fuzzy multi-objective decision making model is developed for evaluating bidding plans in a bidding purchase process. A group of decision-makers (DMs) first independently assess biddin...

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