Journal
INFORMATION SCIENCES
Volume 176, Issue 18, Pages 2713-2754Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ins.2005.11.011
Keywords
IF-set; hesitation degree; triangular norm; negation; scalar cardinality of a fuzzy set; group decision making
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A concept of general IF-sets, i.e. intuitionistic fuzzy sets according to Atanassov, with triangular norm-based hesitation degrees is introduced and developed. That concept is used to construct flexible algorithms of group decision making which involve relative scalar cardinalities defined by means of generalized sigma counts of fuzzy sets. Two cases of group decisions, based on individual or social fuzzy preference relations, are considered. (C) 2005 Elsevier Inc. All rights reserved.
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