期刊
INTERNATIONAL JOURNAL OF UNCERTAINTY FUZZINESS AND KNOWLEDGE-BASED SYSTEMS
卷 24, 期 6, 页码 873-900出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0218488516500409
关键词
Multi-granularity multiplicative linguistic information; group decision-making; multiplicative trapezoidal fuzzy number; similarity degree
资金
- National Natural Science Foundation of China [71601049]
- Natural Science Foundation of Fujian Province [2016J01282]
- Humanities and Social Sciences Fund of the Ministry of Education [16YJC630064]
- Science and Technique Foundation of Fujian Education Office [JA13114]
The aim of this article is to investigate the approach for multi-attribute group decision-making, in which the attribute values take the form of multi-granularity multiplicative linguistic information. Firstly, to process multiple sources of decision information assessed in different multiplicative linguistic label sets, a method for transforming multi-granularity multiplicative linguistic information into multiplicative trapezoidal fuzzy numbers is proposed. Then, a formula for ranking multiplicative trapezoidal fuzzy numbers is given based on geometric mean. Furthermore, the concept of similarity degree between two multiplicative trapezoidal fuzzy numbers is defined. The attribute weights are obtained by solving some optimization models. An effective approach for group decision making with multi-granularity multiplicative linguistic information is developed based on the ordered weighted geometric mean operator and proposed formulae. Finally, a practical example is provided to illustrate the practicality and validity of the proposed method.
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