Approximation Set of the Interval Set in Pawlak's Space

The interval set is a special set, which describes uncertainty of an uncertain concept or set Z with its two crisp boundaries named upper-bound set and lower-bound set. In this paper, the concept of similarity degree between two interval sets is defined at first, and then the similarity degrees betw...

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Bibliographic Details
Main Authors: Qinghua Zhang, Jin Wang, Guoyin Wang, Feng Hu
Format: Article
Language:English
Published: Hindawi Limited 2014-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1155/2014/317387