Rough Set Theory for Topological Spaces in Information Systems

  • Authors:

  • Tutut Herawan;Mustafa Mat Deris

  • Affiliations:

  • -;-

  • Venue:
  • AMS '09 Proceedings of the 2009 Third Asia International Conference on Modelling & Simulation
  • Year:
  • 2009

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Abstract

In this paper, we present an alternative way for constructing a topological space in information systems. We use the theory of rough set and show that the topology is a quasi discrete-topology. We apply this topology to characterize the roughness property of a set involving dependency of attributes and apply the notions of base and sub-base to attribute reduction and rough membership function.