期刊
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS
卷 234, 期 1, 页码 10-20出版社
ELSEVIER
DOI: 10.1016/j.cam.2009.11.055
关键词
Soft set; Fuzzy soft set; Level soft set; Threshold; Comparison table; Choice value; Score; Decision making
资金
- Natural Science Foundation of Educational Committee of Shaanxi Province of China [08JK432, 09JK722, 09JK724, 09JK728]
- Shaanxi Provincial Research and Development Plan of Science and Technology [2008K01-33]
- National Natural Science Foundation of China [10926031]
Molodtsov's soft set theory was originally proposed as a general mathematical tool for dealing with uncertainty. Recently, decision making based on (fuzzy) soft sets has found paramount importance. This paper aims to give deeper insights into decision making based on fuzzy soft sets. We discuss the validity of the Roy-Maji method and show its true limitations. We point out that the choice value designed for the crisp case is no longer fit to solve decision making problems involving fuzzy soft sets. By means of level soft sets, we present an adjustable approach to fuzzy soft set based decision making and give some illustrative examples. Moreover, the weighted fuzzy soft set is introduced and its application to decision making is also investigated. (C) 2009 Elsevier B.V. All rights reserved.
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