期刊
COMPUTERS & INDUSTRIAL ENGINEERING
卷 101, 期 -, 页码 227-242出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cie.2016.08.018
关键词
Group decision making; Intuitionistic fuzzy set; Intuitionistic fuzzy preference relation (IFPR); Additive consistency; Consensus
资金
- Scientific Research and Innovation Project for College Graduates of Jiangsu Province [KYLX-0209]
- National Natural Science Foundation of China (NSFC) [71371049, 71371053]
Group decision making with intuitionistic fuzzy preference information involves three steps: the consistency checking process, the consensus checking process and the selection process. In this paper, we investigate the above three steps with respect to additive intuitionistic fuzzy preference relation (IFPR). Firstly, a consistency index is introduced to measure the additive consistency level of IFPR and an automated approach is developed to improve the consistency level with respect to IFPR to an acceptable level. Meanwhile, the group consensus index of IFPR is defined and one algorithm for reaching acceptable level of consensus is developed. Secondly, after implementing this modified algorithm, consistency index and group consensus index are investigated. And we prove that they can hold on, even receive better levels. Thirdly, a framework for group decision making is developed based on IFPR with additive consistency and group consensus. Finally, an illustrative example is presented to demonstrate the effectiveness and applicability of the proposed approach. (C) 2016 Elsevier Ltd. All rights reserved.
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