University of Tehran Journal of Algorithms and Computation 2476-2776 51 1 2019 06 01 Correlation Coefficients for Hesitant Fuzzy Linguistic Term Sets 79 89 71533 EN Gholamreza Hesamian Department of Statistics, Payame Noor University, Tehran 19395-3697, Iran Mohammad Ghasem Akbari Department of Mathematical Sciences, University of Birjand, Birjand, 615-97175, Iran Journal Article 2018 06 11 Here are many situations in real applications of decision making where we deal with uncertain conditions.  Due to the different sources of uncertainty,  since its original definition of fuzzy sets in 1965 cite{zadeh1965},  different generalizations and extensions of fuzzy sets have been introduced: Type-2 fuzzy sets cite{6,13}, Intuitionistic fuzzy sets cite{1}, fuzzy multi-sets cite{37} and etc. However, in such cases, it is suitable for experts to provide their preferences or assessments by using linguistic information rather than quantitative values. https://jac.ut.ac.ir/article_71533_8b47cba0e625d834f3062d9fc0846f0a.pdf