Journal
APPLIED MATHEMATICAL MODELLING
Volume 35, Issue 9, Pages 4424-4437Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.apm.2011.03.015
Keywords
Multiple attribute group decision making; Intuitionistic fuzzy set; Interval-valued intuitionistic fuzzy set; Accuracy function; Score function
Funding
- National Natural Science Foundation of China [70971109]
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The multiple attribute group decision making (MAGDM) problem with intuitionistic fuzzy information investigated in this paper is very useful for solving complicated decision problems under uncertain circumstances. Since experts have their own characteristics, they are familiar with some of the attributes, but not others, the weights of the decision makers to different attributes should be different. We derive the weights of the decision makers by aggregating the individual intuitionistic fuzzy decision matrices into a collective intuitionistic fuzzy decision matrix. The expert has a big weight if his evaluation value is close to the mean value and has a small weight if his evaluation value is far from the mean value. For the incomplete attribute weight information, we establish some optimization models to determine the attribute weights. Furthermore, we develop several algorithms for ranking alternatives under different situations, and then extend the developed models and algorithms to the MAGDM problem with interval-valued intuitionistic fuzzy information. Numerical results finally illustrate the practicality and efficiency of our new algorithms. (C) 2011 Elsevier Inc. All rights reserved.
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