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Pawlak's Information Systems in Terms of Galois Connections and Functional Dependencies

Jouni Järvinen, Pawlak's Information Systems in Terms of Galois Connections and Functional Dependencies. Fundamenta Informaticae 75(1-4), 315−330, 2007.

Abstract:

In this paper we show that each Galois connection between two complete lattices determines an Armstrong system, that is, a closed set of dependencies. Especially, we study Galois connections and Armstrong systems determined by Pawlak’s information systems.

BibTeX entry:

@ARTICLE{jJarvinen07a,
  title = {Pawlak's Information Systems in Terms of Galois Connections and Functional Dependencies},
  author = {Järvinen, Jouni},
  journal = {Fundamenta Informaticae},
  volume = {75},
  number = {1-4},
  pages = {315−330},
  year = {2007},
}

Belongs to TUCS Research Unit(s): Algorithmics and Computational Intelligence Group (ACI), FUNDIM, Fundamentals of Computing and Discrete Mathematics

Publication Forum rating of this publication: level 2

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