A New Selection Process Based on Granular Computing for Group Decision Making Problems

  • Francisco Javier Cabrerizo
  • Raquel Ureña
  • Juan Antonio Morente-Molinera
  • Witold Pedrycz
  • Francisco Chiclana
  • Enrique Herrera-Viedma
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 513)


In Group Decision Making, there are situations in which the decision makers may not be able to provide his/her opinions properly and they could contain contradictions. To avoid it, in this contribution, we present a new selection process to deal with inconsistent information. As part of it, we use a method based on granular computing to increase the consistency of the opinions given by the decision makers. To do so, each opinion is articulated as a certain information granule instead of a single numeric value, offering the necessary flexibility to increase the consistency. Finally, the importance of the decision makers’ opinions in the aggregation step is modeled by means of their consistency.


Group decision making Selection process Granular computing Consistency Aggregation 



The authors would like to acknowledge FEDER financial support from the Projects FUZZYLING-II Project TIN2010-17876 and TIN2013-40658-P, and also the financial support from the Andalusian Excellence Projects TIC-05299 and TIC-5991.


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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Francisco Javier Cabrerizo
    • 1
  • Raquel Ureña
    • 2
  • Juan Antonio Morente-Molinera
    • 2
  • Witold Pedrycz
    • 3
  • Francisco Chiclana
    • 4
  • Enrique Herrera-Viedma
    • 2
  1. 1.Department of Software Engineering and Computer SystemsUniversidad Nacional de Educación a Distancia (UNED)MadridSpain
  2. 2.Department of Computer Science and Artificial IntelligenceUniversity of GranadaGranadaSpain
  3. 3.Department of Electrical and Computer EngineeringUniversity of AlbertaEdmontonCanada
  4. 4.School of Computer Science and InformaticsDe Montfort UniversityLeicesterUK

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