Fuzzy Rankings for Preferences Modeling in Group Decision Making

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dc.cclicenceCC-BY-NCen
dc.contributor.authorCapuano, Nicolaen
dc.contributor.authorChiclana, Franciscoen
dc.contributor.authorHerrera-Viedma, Enriqueen
dc.contributor.authorFujita, Hamidoen
dc.contributor.authorLoia, Vincenzoen
dc.date.acceptance2018-03-09en
dc.date.accessioned2018-04-11T13:58:28Z
dc.date.available2018-04-11T13:58:28Z
dc.date.issued2018-03-31
dc.descriptionThe file attached to this record is the author's final peer reviewed version. The Publisher's final version can be found by following the DOI link.en
dc.description.abstractAlthough fuzzy preference relations (FPRs) are among the most commonly used preference models in group decision making (GDM), they are not free from drawbacks. First of all, especially when dealing with many alternatives, the definition of FPRs becomes complex and time consuming. Moreover, they allow to focus on only two options at a time. This facilitates the expression of preferences but let experts lose the global perception of the problem with the risk of introducing inconsistencies that impact negatively on the whole decision process. For these reasons, different preference models are often adopted in real GDM settings and, if necessary, transformation functions are applied to obtain equivalent FPRs. In this paper, we propose fuzzy rankings, a new approximate preference model that offers a higher level of user‐friendliness with respect to FPRs while trying to maintain an adequate level of expressiveness. Fuzzy rankings allow experts to focus on two alternatives at a time without losing the global picture so reducing inconsistencies. Conversion algorithms from fuzzy rankings to FPRs and backward are defined as well as similarity measures, useful when evaluating the concordance between experts’ opinion. A comparison of the proposed model with related works is reported as well as several explicative examples.en
dc.funderThe authors would like to acknowledge FEDER financial support f rom the Project TIN2016-75850-R.en
dc.identifier.citationCapuano, N., Chiclana, F., Herrera-Viedma, E., Fujita, H., Loia, V. (2018) Fuzzy Rankings for Preferences Modeling in Group Decision Making. International Journal of Intelligent Systems,en
dc.identifier.doihttps://doi.org/10.1002/int.21997
dc.identifier.issn0884-8173
dc.identifier.urihttp://hdl.handle.net/2086/15988
dc.language.isoen_USen
dc.peerreviewedYesen
dc.projectidThe authors would like to acknowledge FEDER financial support f rom the Project TIN2016-75850-R.en
dc.publisherWileyen
dc.researchgroupCentre for Computational Intelligenceen
dc.researchinstituteInstitute of Artificial Intelligence (IAI)en
dc.subjectGroup Decision Makingen
dc.subjectFuzzy Preference Relationsen
dc.subjectFuzzy Rankingsen
dc.titleFuzzy Rankings for Preferences Modeling in Group Decision Makingen
dc.typeArticleen

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