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Conference Paper: A Hybrid Weighted Aggregation Method Based on Consistency and Consensus in Group Decision Making

TitleA Hybrid Weighted Aggregation Method Based on Consistency and Consensus in Group Decision Making
Authors
Issue Date2014
PublisherI E E E.
Citation
The IEEE International Conference on Fuzzy Systems (FUZZ-IEEE), Beijing, China, 6-11 July 2014. In I E E E International Fuzzy Systems Conference Proceedings, 2014, p. 11-17 How to Cite?
AbstractA recent study in Science indicated that the confidence of a decision maker played an essential role in group decision making problems. In order to make use of the information of each individual's confidence of the current decision problem, a new hybrid weighted aggregation method to solve a group decision making peoblem is proposed in this paper. Specifically, the hybrid weight of each expert is generated by a convex combination of his/her subjective experience-based weight and objective problem-domain-based weight. The experience-based weight is derived from the expert's historical experiences and the problem-domain-based weight is characterized by the confidence degree and consensus degree of each expert's opinions in the current decision making process. Based on the hybrid weighted aggregation method, all the experts' opinions which are expressed in the form of fuzzy preference relations are consequently aggregated to obtain a collective group opinion. Some valuable properities of the proposed method are discussed. A nurse manager hiring problem in a hospital is employed to illustrate that the proposed method provides a rational and valid solution for the group decision making problem when the experts are not willing to change their initial preferences, or the cost of change is high due to time limitation.
Persistent Identifierhttp://hdl.handle.net/10722/203636
ISBN
ISSN

 

DC FieldValueLanguage
dc.contributor.authorZhang, Fen_US
dc.contributor.authorIgnatius, Jen_US
dc.contributor.authorLim, CPen_US
dc.contributor.authorZhang, Yen_US
dc.date.accessioned2014-09-19T15:49:08Z-
dc.date.available2014-09-19T15:49:08Z-
dc.date.issued2014en_US
dc.identifier.citationThe IEEE International Conference on Fuzzy Systems (FUZZ-IEEE), Beijing, China, 6-11 July 2014. In I E E E International Fuzzy Systems Conference Proceedings, 2014, p. 11-17en_US
dc.identifier.isbn9781479920730-
dc.identifier.issn1544-5615-
dc.identifier.urihttp://hdl.handle.net/10722/203636-
dc.description.abstractA recent study in Science indicated that the confidence of a decision maker played an essential role in group decision making problems. In order to make use of the information of each individual's confidence of the current decision problem, a new hybrid weighted aggregation method to solve a group decision making peoblem is proposed in this paper. Specifically, the hybrid weight of each expert is generated by a convex combination of his/her subjective experience-based weight and objective problem-domain-based weight. The experience-based weight is derived from the expert's historical experiences and the problem-domain-based weight is characterized by the confidence degree and consensus degree of each expert's opinions in the current decision making process. Based on the hybrid weighted aggregation method, all the experts' opinions which are expressed in the form of fuzzy preference relations are consequently aggregated to obtain a collective group opinion. Some valuable properities of the proposed method are discussed. A nurse manager hiring problem in a hospital is employed to illustrate that the proposed method provides a rational and valid solution for the group decision making problem when the experts are not willing to change their initial preferences, or the cost of change is high due to time limitation.-
dc.languageengen_US
dc.publisherI E E E.-
dc.relation.ispartofI E E E International Fuzzy Systems Conference Proceedingsen_US
dc.rightsI E E E International Fuzzy Systems Conference Proceedings. Copyright © I E E E.-
dc.rights©2014 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleA Hybrid Weighted Aggregation Method Based on Consistency and Consensus in Group Decision Makingen_US
dc.typeConference_Paperen_US
dc.identifier.emailZhang, Y: yongzh@hku.hken_US
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/FUZZ-IEEE.2014.6891686-
dc.identifier.hkuros237897en_US
dc.identifier.spage11-
dc.identifier.epage17-
dc.publisher.placeUnited States-

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