TY  - JOUR 
AU  - Alcantud, José Carlos R.
AU  - Giarlotta, Alfio
PY  - 2019
SN  - 1566-2535
UR  - http://hdl.handle.net/10366/154214
AB  - We propose an extension of Torra’s notion of hesitant fuzzy set, which appears to be well suited to group decision making. In our model, indecisiveness in judgements is described by two nested hesitant fuzzy sets: the smaller, called necessary,...
LA  - eng
KW  - Hesitant fuzzy set
KW  - Necessary and possible preference
KW  - Decision making
KW  - Score
KW  - Aggregation operator
TI  - Necessary and possible hesitant fuzzy sets: A novel model for group decision making
DO  - 10.1016/j.inffus.2018.05.005
T2  - Information Fusion
VL  - 46
M2  - 63
ER  -