Multiple-criteria decision-making for service quality selection based on Shapley COPRAS method under hesitant fuzzy sets

Fuzzy sets

L. A. Zadeh · Information and Control · 1965 · 66.1K citations

Intuitionistic fuzzy sets

Krassimir Atanassov · Fuzzy Sets and Systems · 1986 · 16.2K citations · Full text

The concept of a linguistic variable and its application to approximate reasoning-III

L. A. Zadeh · Information Sciences · 1975 · 12.2K citations

Computing, Computer Science, Knowledge Representation +3

The concept of a linguistic variable and its application to approximate reasoning—I

Lotfi A. Zadeh · Information Sciences · 1975 · 12K citations

Computing, Computer Science, Knowledge Representation +4

Interval valued intuitionistic fuzzy sets

Krassimir Atanassov, George Gargov · Fuzzy Sets and Systems · 1989 · 2.9K citations

Humanities, Mathematics, Set Theory +5