Qualitative and hesitant information is common in practical decision making process. In such
complicated decision making problem, it is flexible for experts to use comparative linguistic …

The world has been challenged since late 2019 by COVID-19. Higher education institutions
have faced various challenges in adapting online education to control the pandemic spread …

Hesitant fuzzy set (HFS) is used to deal with the situations in which the decision makers
hesitate among several values to assess an indicator, alternative, variable, etc. Recently, the …

By means of a fuzzy coimplication operator J and a triangular conorm S, we set forth two
pairs of (J, S)-fuzzy rough set models, which are generalizations of fuzzy rough sets. Then …

As we may have a set of possible values when comparing alternatives (or criteria), the
hesitant fuzzy preference relation becomes a suitable and powerful technique to deal with …

Interval type-2 fuzzy set (IT2FS) offers interesting avenue to handle high order information
and uncertainty in decision support system (DSS) when dealing with both extrinsic and …

Bearing in mind that making decisions in the aviation industry is usually related to the huge
investment, it is evident that a small saving of a few percent is not negligible. Decisions …

Energy storage technologies (ESTs) enable to cope with intermittency of energy sources by
storing excess energy to use when it is needed. Therefore, evaluation of energy storage …

Fuzzy set just past its 50-year anniversary and different fuzzy associations and organizations
hold different forms of conferences and activities to celebrate this epoch-making scientific …

In the process of group decision making, dual hesitant fuzzy sets (DHFSs) are a very flexible
tool for decision makers (DMs) to express their preferences for alternatives. Based on an …