JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2013, Vol. 43 ›› Issue (1): 63-68.

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A multigranulation rough interval-valued fuzzy set approach

FAN Wei   

  1. School of Mathematics and Information Engineering, Lianyungang Normal College, Liangyungang 222006, China
  • Received:2012-05-10 Online:2013-02-20 Published:2012-05-10

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Abstract:

Multigranulation was an effective approach for dealing with distributed data by rough set. To approximate the fuzzy target by multigranulation approach, a multigranulation rough interval-valued fuzzy approach was proposed, which included optimistic and pessimistic models. Not only the basic properties of such two different multigranulation rough interval-valued fuzzy sets were discussed, but also an illustrative example was analyzed to show the effectiveness of the proposed models.

Key words: interval-valued fuzzy set, optimistic multigranulation rough interval-valued fuzzy set, multigranulation rough set, pessimistic multigranulation rough interval-valued fuzzy set, membership

CLC Number: 

  • TP18
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