The notion of roughness of a fuzzy set

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Keywords
Abstract
The roughness of a set (according to the notion introduced by Pawlak in 1991) can be regarded as the MZ-distance between its upper and the lower approximations. With this idea in mind, we have generalized Pawlak s definition, by replacing the MZ-distance by a general distance measure. We also generalize the notion of roughness of fuzzy sets introduced by Huyhn and Nakamori in 2005.
Year of Publication
2014
Journal
Fuzzy Sets and Systems
Volume
249
Number of Pages
114-127
ISSN Number
0165-0114
URL
http://www.sciencedirect.com/science/article/pii/S0165011414000657
DOI
10.1016/j.fss.2014.02.013
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Notes
Theme: Automata Theory and Algebra
Notes

Theme: Automata Theory and Algebra