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Hesitant fuzzy set, initiated 10 years ago, is an effective tool to deal with uncertain and vague information considering hesitancy when evaluating alternatives. It allows people to hesitate among several possible values for the membership degree to a given set. Hesitant fuzzy set has attracted a large number of researchers’ attention and has obtained great achievements up to now. Because of this...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.