Tolerance based templates for information systems: foundations and perspectives

  • Authors:
  • Piotr Synak;Dominik Ślezak

  • Affiliations:
  • Polish-Japanese Institute of Information Technology, Koszykowa, Warsaw, Poland and Infobright Inc., Toronto, ON, Canada;Infobright Inc., Toronto, ON, Canada

  • Venue:
  • ICHIT'06 Proceedings of the 1st international conference on Advances in hybrid information technology
  • Year:
  • 2006

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Abstract

We discuss generalizations of the basic notion of a template defined over information systems using indiscernibility relation. Generalizations refer to the practical need of operating with more compound descriptors, over both symbolic and numeric attributes, as well as to a more entire extension from equivalence to tolerance relations between objects. We briefly show that the heuristic algorithms known from literature to search for templates in their classical indiscernibility-based form, can be easily adapted to the case of tolerance relations.