A Comparison of the LERS Classification System and Rule Management in PRSM

  • Authors:
  • Jerzy W. Grzymala-Busse;Yiyu Yao

  • Affiliations:
  • Department of Electrical Engineering and Computer Science, University of Kansas, Lawrence, USA KS 66045 and Institute of Computer Science, Polish Academy of Sciences, Warsaw, Poland 01-237;Department of Computer Science, University of Regina, Regina, Canada S4S 0A2

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

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Abstract

The LERS classification system and rule management in probabilistic rough set models (PRSM) are compared according to the interpretations of rules, quantitative measures of rules, and rule conflict resolution when applying rules to classify new cases. Based on the notions of positive and boundary regions, probabilistic rules are semantically interpreted as the positive and boundary rules, respectively. Rules are associated with different quantitative measures in LERS and PRSM, reflecting different characteristics of rules. Finally, the rule conflict resolution method used in LERS may be applied to PRSM.