2015 | OriginalPaper | Buchkapitel
Fuzzy Concepts in Formal Context
verfasst von : Luodan Meng, Keyun Qin
Erschienen in: Advances in Swarm and Computational Intelligence
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Formal concept analysis (FCA) provides a theoretical framework for learning hierarchies of knowledge clusters. This paper is devoted to the study of the fuzzy concept in FCA. We propose a fuzzy relation on the universe to characterize the similarity of the objects. Based on fuzzy rough set model, we present a kind of approximation operators to characterize the fuzzy concept and its accuracy degree in FCA. The basic properties of these operators are investigated.