Using qualitative reasoning to measure discrepancy and consensus in group decision

Llorenç Rosello, Monica Sanchez, Francesc Prats, Nuria Agell

Research output: Book chapterConference contributionpeer-review

1 Citation (Scopus)

Abstract

The measurement of consensus and discrepancy among groups of evaluators is an important issue in group decision systems. These measurements will enable us to analyze the effort that should be made to obtain closer positions among subgroups. This paper presents a new approach, on the basis of the absolute order-of-magnitude qualitative model, to decision-making problems. The concepts of qualitative distance and entropy are defined in the framework of the distributive lattice of qualitativizations over a set of magnitudes or features.

Original languageEnglish
Title of host publicationProceedings of the 2010 10th International Conference on Intelligent Systems Design and Applications, ISDA'10
Pages477-482
Number of pages6
DOIs
Publication statusPublished - 2010
Externally publishedYes
Event2010 10th International Conference on Intelligent Systems Design and Applications, ISDA'10 - Cairo, Egypt
Duration: 29 Nov 20101 Dec 2010

Publication series

NameProceedings of the 2010 10th International Conference on Intelligent Systems Design and Applications, ISDA'10

Conference

Conference2010 10th International Conference on Intelligent Systems Design and Applications, ISDA'10
Country/TerritoryEgypt
CityCairo
Period29/11/101/12/10

Keywords

  • Consensus
  • Degree of consensus
  • Qualitative reasoning

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