Natural versus Granular Computing: Classifiers from Granular Structures

  • Authors:
  • Piotr Artiemjew

  • Affiliations:
  • University of Warmia and Mazury, Olsztyn, Poland

  • Venue:
  • RSCTC '08 Proceedings of the 6th International Conference on Rough Sets and Current Trends in Computing
  • Year:
  • 2008

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Abstract

In data sets/decision systems, written down as pairs(U,A∪ {d}) with objects U,attributes A, and a decision d, objects aredescribed in terms of attribute---value formulas. Thisrepresentation gives rise to a calculus in terms of descriptorswhich we call a natural computing. In some recent papers,the idea of L. Polkowski of computing with granules induced fromsimilarity measures called rough inclusions have been tested. Inthis work, we pursue this topic and we study granular structuresresulting from rough inclusions with classification problem infocus. Our results show that classifiers obtained from granularstructures give better quality of classification than naturalexhaustive classifiers.