Group multi-criteria decision making based upon interval-valued fuzzy numbers: an extension of the MULTIMOORA method

T Baležentis, S Zeng - Expert Systems with Applications, 2013 - Elsevier
Multi criteria decision making (MCDM) often involves uncertainty which can be tackled by
employing the fuzzy set theory. Type-2 fuzzy sets offer certain additional means for the latter …

Interval-valued intuitionistic fuzzy QUALIFLEX method with a likelihood-based comparison approach for multiple criteria decision analysis

TY Chen - Information Sciences, 2014 - Elsevier
QUALIFLEX (ie, QUALItative FLEXible multiple criteria method) is a useful outranking
method used for multiple criteria decision analysis. This paper uses the main structure of …