Rough concepts

Willem Conradie, Sabine Frittella, Krishna Manoorkar, Sajad Nazari, Alessandra Palmigiano, Apostolos Tzimoulis, Nachoem M. Wijnberg

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The present paper proposes a novel way to unify Rough Set Theory and Formal Concept Analysis. Our method stems from results and insights developed in the algebraic theory of modal logic, and is based on the idea that Pawlak's original approximation spaces can be seen as special instances of enriched formal contexts, i.e. relational structures based on formal; contexts from Formal Concept Analysis.

Original languageEnglish
Pages (from-to)371-413
Number of pages43
JournalInformation Sciences
Early online date19 Jul 2020
Publication statusPublished - Jun 2021

Bibliographical note

Publisher Copyright:
© 2020 Elsevier Inc.

Copyright 2021 Elsevier B.V., All rights reserved.


  • Formal concept analysis
  • Modal algebras
  • Modal logic
  • Rough Concept Analysis
  • Rough set theory


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