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Fundamenta Informaticae

Tytuł artykułu

The Construction of Fuzzy Concept Lattices Based on (θ,σ)-Fuzzy Rough Approximation Operators

Autorzy Yao, Y.  Li, Z.  Mi, J.  Xie, B. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
EN Formal concept analysis and rough set analysis are two complementary approaches for analyzing data. This paper studies approaches to constructing fuzzy concept lattices based on generalized fuzzy rough approximation operators. For a residual implicator θ satisfying θa, b) = *theta;(1 -b, 1 -a) and its dual σ, a pair of (θ,σ)-fuzzy rough approximation operators is defined. We then propose three kinds of fuzzy operators, and examine some of their basic properties. Thus, three complete fuzzy concept lattices can be produced, for which the properties are analogous to those of the classical concept lattices.
Słowa kluczowe
EN fuzzy concept lattices   approximation operators   fuzzy rough sets   Galois connection  
Wydawca IOS Press
Czasopismo Fundamenta Informaticae
Rocznik 2011
Tom Vol. 111, nr 1
Strony 33--45
Opis fizyczny Bibliogr. 38 poz.
autor Yao, Y.
autor Li, Z.
autor Mi, J.
autor Xie, B.
  • School of Computer Science and Engineering, Beihang University, Beijing 100191, P. R. China and College of Mathematics and Information Science, Hebei Normal University, Shijiazhuang, Hebei 050016, P. R. China,
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