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Title: Consensus Building With Individual Consistency Control in Group Decision Making
Authors: Li, CongCong
Rodriguez, Rosa M.
Martinez, Luis
Dong, Yucheng
Herrera, Francisco
Abstract: The individual consistency and the consensus degree are two basic measures to conduct group decision making with reciprocal preference relations. The existing frameworks to manage individual consistency and consensus degree have been investigated intensively and follow a common resolution scheme composed by the two phases: the consistency improving process, and the consensus reaching process. But in these frameworks, the individual consistency will often be destroyed in the consensus reaching process, leading to repeat the consistency improving process, which is time consuming. In order to avoid repeating the consistency improving process, a consensus reaching process with individual consistency control is proposed in this paper. This novel consensus approach is based on the design of an optimization-based consensus rule, which can be used to determine the adjustment range of each preference value guaranteeing the individual consistency across the process. Finally, theoretical and numerical analysis are both used to justify the validity of our proposal.
Keywords: Consensus
group decision making
preference relations
Issue Date: Jul-2018
metadata.dc.description.sponsorship: NSF of China under Grant 71571124 and the Sichuan University under Grant sksyl201705 and 2018hhs-58, the Spanish National Research Project TIN2015-66524-P, Spanish Ministry of Economy and Finance Postdoctoral fellow (IJCI-2015-23715), and ERDF
Publisher: IEEE
Citation: C.C. Li, R.M. Rodríguez, L. Martínez, Y. Dong, F. Herrera, Consensus Building With Individual Consistency Control in Group Decision Making. IEEE Transactions on Fuzzy Systems, vol. 27, pp. 319-332, 2019. 10.1109/TFUZZ.2018.2856125
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