Galois Connections and Data Analysis

  • Authors:
  • Marcin Wolski

  • Affiliations:
  • Department of Logic and Methodology of Science, Maria Curie-Skłodowska University, Lublin, Poland

  • Venue:
  • Fundamenta Informaticae - Concurrency Specification and Programming (CS&P 2003)
  • Year:
  • 2003

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Abstract

We investigate Galois connections and their relations to the major theories of (qualitative) data analysis: Rough Set Theory (RST), Formal Concept Analysis (FCA) and John Stuart Mill Reasoning (JSM-Reasoning). Polarities, a type of contravariant Galois connections, and their relationships with data analysis has been already well-known. This paper shows how axialities, a type of covariant Galois connections, are related to problems adressed by data analysis and prove that they give rise to a number of interesting lattices.