J4 ›› 2012, Vol. 47 ›› Issue (9): 92-97.

• Articles • Previous Articles     Next Articles

Multi-criteria fuzzy decision-making method with interval-valued intuitionistic fuzzy sets based on relative superiority

WANG Zhong-xing, TANG Zhi-lan, NIU Li-li   

  1. School of Mathematics and Information Science, Guangxi University, Nanning 530004, Guangxi, China
  • Received:2011-07-14 Online:2012-09-20 Published:2012-09-24

Abstract:

Based on the relative superiority of interval numbers, the definition of relative superiority of interval-valued intuitionistic fuzzy set (IVIFS) was proposed. And then, a ranking method combined with the priority formula was obtained by establishing a relative superiority matrix of IVIFS. Furthermore,  this method was applied to multi-criteria fuzzy decision making with unknown attribute weight information, in which criteria values for alternatives are IVIFSs. And finally, an illustrative example was given to demonstrate the developed method and to show its validation and practicality.

Key words: relative superiority; interval-valued  intuitionistic fuzzy set; ranking; multi-criteria decision-making

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