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A hybrid weighted aggregation method based on consistency and consensus in group decision making
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Zhang, Feng, Ignatius, Joshua, Lim, Chee Peng and Zhang, Yong (2014) A hybrid weighted aggregation method based on consistency and consensus in group decision making. In: 2014 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE), 06 - 11 July 2014 pp. 11-17. ISBN 9781479920723. doi:10.1109/FUZZ-IEEE.2014.6891686 ISSN 1098-7584.
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Official URL: https://doi.org/10.1109/FUZZ-IEEE.2014.6891686
Abstract
A 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.
Item Type: | Conference Item (Paper) | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
ISBN: | 9781479920723 | ||||
ISSN: | 1098-7584 | ||||
Official Date: | 2014 | ||||
Dates: |
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Page Range: | pp. 11-17 | ||||
DOI: | 10.1109/FUZZ-IEEE.2014.6891686 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | 2014 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE) | ||||
Type of Event: | Conference | ||||
Date(s) of Event: | 06 - 11 July 2014 |
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