Rule measures tradeoff using game-theoretic rough sets

  • Authors:
  • Yan Zhang;JingTao Yao

  • Affiliations:
  • Department of Computer Science, University of Regina, Regina, Saskatchewan, Canada;Department of Computer Science, University of Regina, Regina, Saskatchewan, Canada

  • Venue:
  • BI'12 Proceedings of the 2012 international conference on Brain Informatics
  • Year:
  • 2012

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Abstract

The game-theoretic rough sets (GTRS) is a recent proposal to determine optimal thresholds in probabilistic rough sets by setting up a game for trading-off between different criteria. Different competitions or cooperations can be formulated depending on objectives of users. In this article, five approaches for applying GTRS are reviewed. The GTRS for formulating competition or cooperation among measures is described. We investigate potential players of GTRS, in the form of measures for evaluating a set of immediate decision rules. The definition and properties of these measures are discussed. We demonstrate that GTRS meet the challenge for determining a balanced and optimal threshold pair that leads to a moderate, cost effective or efficient level of acceptance, rejection or deferment decision by providing a game mechanism.