期刊
COMPUTERS & INDUSTRIAL ENGINEERING
卷 101, 期 -, 页码 184-193出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cie.2016.09.010
关键词
Group decision-making; Geometric consistency index; Interval multiplicative reciprocal matrices; Induced ordered weighted geometric averaging (IOWGA) operator
资金
- National Natural Science Foundation of China [71201037, 71232014, 71571054]
- China Postdoctoral Science Foundation [2014M560794]
- Shanxi Postdoctoral Science Foundation
- Guangxi Natural Science Foundation [2014GXNSFAA118013]
A novel group decision-making model is proposed when the experts evaluate their judgments by using interval multiplicative reciprocal matrices. First, a geometric consistency index (GCI) for interval multiplicative reciprocal matrices is defined and its properties are studied. The relation between the GCI and the consistency index (CI) of interval multiplicative reciprocal matrices is further shown. Second, the GCI of interval multiplicative reciprocal matrices is utilized to propose a new induced ordered weighted geometric averaging (IOWGA) operator, which is named as the GCI-IOWGA operator. It permits the aggregation of interval multiplicative reciprocal matrices in such a way that more important weight is given to that with more consistency. The properties of the collective interval multiplicative reciprocal matrix are further studied. Third, the sensitivity analysis of the associated exponential weight vector with respect to the parameter is made. Finally, two numerical examples are carried out to illustrate the developed model and compare with the existing methods. (C) 2016 Elsevier Ltd. All rights reserved.
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