Journal
INTERNATIONAL JOURNAL OF GENERAL SYSTEMS
Volume 42, Issue 5, Pages 489-502Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/03081079.2013.775127
Keywords
multiple attribute group decision-making; score function; correlation coefficient; intuitionistic fuzzy set; interval-valued intuitionistic fuzzy set
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To better solve the corresponding multiple attribute group decision-making problem with unknown weights, multiple attribute group decision-making methods with completely unknown weights of decision-makers and incompletely known weights of attributes are proposed in intuitionistic fuzzy setting and interval-valued intuitionistic fuzzy setting. In the group decision-making method, two weight models are proposed based on the score function to determine the weights of both experts and attributes from the intuitionistic fuzzy decision matrices and the interval-valued intuitionistic fuzzy decision matrices. Then, overall evaluation formulas of weighted scores for each alternative are introduced in the intuitionistic fuzzy setting and the interval-valued intuitionistic fuzzy setting to obtain the ranking order of alternatives and the most desirable one(s). Finally, two numerical examples demonstrate the applicability and benefit of the proposed methods.
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