Discrete Duality and Its Applications to Reasoning with Incomplete Information

  • Authors:
  • Ewa Orłowska;Ingrid Rewitzky

  • Affiliations:
  • National Institute of Telecommunications, Warsaw,;University of Stellenbosch, South Africa

  • Venue:
  • RSEISP '07 Proceedings of the international conference on Rough Sets and Intelligent Systems Paradigms
  • Year:
  • 2007

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Abstract

We present general principles of establishing a duality between a class of algebras and a class of relational systems such that topology is not involved. We show how such a discrete duality contributes to proving completeness of logical systems and to correspondence theory. Next, we outline applications of discrete dualities to analysis of data in information systems with incomplete information in the rough set-style, and in contexts of formal concept analysis.