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Frontiers of Computer Science

ISSN 2095-2228

ISSN 2095-2236(Online)

CN 10-1014/TP

Postal Subscription Code 80-970

2018 Impact Factor: 1.129

Front. Comput. Sci.    2014, Vol. 8 Issue (5) : 741-752    https://doi.org/10.1007/s11704-014-3323-3
RESEARCH ARTICLE
Some new distance measures for type-2 fuzzy sets and distance measure based ranking for group decision making problems
Pushpinder SINGH()
Department of Computer Science, Palacky University, Olomouc CZ-77146, Czech Republic
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Abstract

In this paper, we propose some distance measures between type-2 fuzzy sets, and also a new family of utmost distance measures are presented. Several properties of different proposed distance measures have been introduced. Also, we have introduced a new ranking method for the ordering of type-2 fuzzy sets based on the proposed distance measure. The proposed ranking method satisfies the reasonable properties for the ordering of fuzzy quantities. Some properties such as robustness, order relation have been presented. Limitations of existing ranking methods have been studied. Further for practical use, a new method for selecting the best alternative, for group decision making problems is proposed. This method is illustrated with a numerical example.

Keywords fuzzy sets      type-2 fuzzy sets      distancemeasures      ranking function      group decision making problems     
Corresponding Author(s): Pushpinder SINGH   
Issue Date: 11 October 2014
 Cite this article:   
Pushpinder SINGH. Some new distance measures for type-2 fuzzy sets and distance measure based ranking for group decision making problems[J]. Front. Comput. Sci., 2014, 8(5): 741-752.
 URL:  
https://academic.hep.com.cn/fcs/EN/10.1007/s11704-014-3323-3
https://academic.hep.com.cn/fcs/EN/Y2014/V8/I5/741
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