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Erschienen in:
2009 | OriginalPaper | Buchkapitel
Amount of Information and Its Reliability in the Ranking of Atanassov’s Intuitionistic Fuzzy Alternatives
verfasst von : Eulalia Szmidt, Janusz Kacprzyk
Erschienen in: Recent Advances in Decision Making
Verlag: Springer Berlin Heidelberg
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In this paper we discuss the ranking of alternatives represented by elements of Atanassov’s intuitionistic fuzzy sets, to be called A-IFSs, for short. That is, alternatives are elements of the universe of discourse with a degree of membership and a degree of non-membership assigned. First, we show disadvantages of some approaches known from the literature, including a straightforward method based on the calculation of distances from the ideal positive alternative which can be viewed as a counterpart of the approach in the traditional fuzzy setting. Instead, we propose an approach which takes into account not only the amount of information related to an alternative (expressed by a distance from an ideal positive alternative) but also the reliability of information represented by an alternative meant as how sure the information is.