Soft Computing

, Volume 17, Issue 9, pp 1617–1627 | Cite as

A new consensus model for group decision making using fuzzy ontology

  • I. J. Pérez
  • R. Wikström
  • J. Mezei
  • C. Carlsson
  • E. Herrera-Viedma
Methodologies and Application


Involving many people in decision making does not guarantee success. In practice, there are always individuals who try to exert pressure in order to persuade others who could easily be influenced. In these situations, classical group decision making models fail. Thus, there is still the necessity of developing tools to help users reach collective decisions as if they participated in a real face to face meeting. In such a way, a proper negotiation process can lead to successful solutions. Therefore, we propose a new consensus model to deal with the psychology of negotiation by using the power of a fuzzy ontology as weapon of influence in order to improve group decision scenarios making them more precise and realistic. In addition, the use of a fuzzy ontology gives us the possibility to take into account large sets of alternatives.


Group decision making Consensus process Negotiation process Fuzzy ontology Weapons of influence 



This paper has been developed with the financing of FEDER funds in FUZZYLING-II Project TIN2010-17876, Andalusian Excellence Projects TIC-05299 and TIC-5991, and the Dyscotec TEKES Strategic Research Project 40039/11.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • I. J. Pérez
    • 1
  • R. Wikström
    • 2
  • J. Mezei
    • 2
  • C. Carlsson
    • 2
  • E. Herrera-Viedma
    • 3
  1. 1.Department of Computer Sciences and EngineeringUniversity of CadizCádizSpain
  2. 2.IAMSRÅbo Akademi UniversityTurkuFinland
  3. 3.Department of Computer Science and Artificial IntelligenceUniversity of GranadaGranadaSpain

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