%0 Journal Article %A Roustakiani, Azadeh , Abdolvand, Neda, Rajaei Harandi, Saeideh %T An Improved Sentiment Analysis Algorithm based on Appraisal Theory and Fuzzy Logic %J Journal of Information Systems and Telecommunication (JIST) %V 6 %N 22 %P 88-94 %D 2018 %R 10.7508/jist.2018.02.004 %U https://rimag.ir/fa/Article/15117