In the context of Formal Concept Analysis (FCA) based on multilattices (M-FCA), the number of derived concepts is often unmanageably large, posing challenges for practical applications. This paper addresses this issue by introducing truth-stressing linguistic hedges into M-FCA as a parameterization mechanism for concept-forming operators. We start by defining a generalized pair of antitone operators using hedges such as “very” or “extremely” to refine fuzzy concepts. We establish several properties of these operators and demonstrate that the resulting concept multilattice is isomorphic to a complete multilattice defined via a derived Galois connection. Importantly, we prove that applying stronger hedges results in fewer formal concepts, thereby offering a systematic approach to concept lattice reduction in fuzzy environments.

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Concept Multilattices with Truth-Stressing Hedges

  • Gael Nguepy Dongmo,
  • Blaise Blériot Koguep Njionou,
  • Leonard Kwuida

摘要

In the context of Formal Concept Analysis (FCA) based on multilattices (M-FCA), the number of derived concepts is often unmanageably large, posing challenges for practical applications. This paper addresses this issue by introducing truth-stressing linguistic hedges into M-FCA as a parameterization mechanism for concept-forming operators. We start by defining a generalized pair of antitone operators using hedges such as “very” or “extremely” to refine fuzzy concepts. We establish several properties of these operators and demonstrate that the resulting concept multilattice is isomorphic to a complete multilattice defined via a derived Galois connection. Importantly, we prove that applying stronger hedges results in fewer formal concepts, thereby offering a systematic approach to concept lattice reduction in fuzzy environments.