Dominance-Based Rough Set Approach to Decision Involving Multiple Decision Makers

  • Salvatore Greco
  • Benedetto Matarazzo
  • Roman Słowiński
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4259)


In this paper we present a rough set approach to decisions with multiple decision makers. Since preference order is a crucial feature of data concerning decision situations, and classical rough set approach is not able to deal with it, we are using Dominance-based Rough Set Approach (DRSA) where indiscernibility relation of the classical approach has been substituted by dominance relation. To deal with decision of multiple decision makers we extend DRSA by introducing specific concepts related to dominance with respect to minimal profiles of evaluations given by multiple decision makers. This extension provides also a general methodology for rough approximations of partial preorders.


Decision Maker Decision Rule Decision Attribute Inclusion Relation Multiple Criterion Decision 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Salvatore Greco
    • 1
  • Benedetto Matarazzo
    • 1
  • Roman Słowiński
    • 2
    • 3
  1. 1.Faculty of EconomicsUniversity of CataniaCataniaItaly
  2. 2.Institute of Computing SciencePoznań University of TechnologyPoznań
  3. 3.Institute for Systems ReserchPolish Academy of SciencesWarsawPoland

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