Dynamic fuzzy OWA model for group multiple criteria decision making |
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| Authors: | J.-R. Chang T.-H. Ho C.-H. Cheng A.-P. Chen |
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| Affiliation: | (1) Department of Information Managements, National Yunlin University of Science and Technology, 123 University Road, section 3, Touliu, Yunlin, 640, Taiwan;(2) Graduate Institute of Management, National Yunlin University of Science and Technology, 123 University Road, section 3, Touliu, Yunlin, 640, Taiwan;(3) Institute of Information Management, National Chiao Tung University, 1001 Ta Hsueh Road, Hsinchu, 300, Taiwan;(4) Department of Information Management, Nan Jeon Institute of Technology, 178, Zhao-Qin Road, Yenshui, Tainan, Taiwan |
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| Abstract: | Obtaining relative weights in MCDM problems is a very important issue. The Ordered Weighted Averaging (OWA) aggregation operators have been extensively adopted to assign the relative weights of numerous criteria. However, previous aggregation operators (including OWA) are independent of aggregation situations. To solve the problem, this study proposes a new aggregation model – dynamic fuzzy OWA based on situation model, which can modify the associated dynamic weight based on the aggregation situation and can work like a “magnifying lens” to enlarge the most important attribute dependent on minimal information, or can obtain equal attribute weights based on maximal information. Two examples are adopted in this paper for comparison and showing the effects under different weights. |
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| Keywords: | Fuzzy multiple criteria decision making (FMCDM) Ordered weighted averaging (OWA) Dynamic fuzzy OWA model Linguistic variable |
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