مرکز منطقه ای اطلاع رسانی علوم و فناوری Journal of Information Systems and Telecommunication (JIST) 2322-1437 14 54 2026 9 9 Optimization of Hyperparameters of BERT Model in Sentiment Analysis Using Genetic Algorithm 99 116 en shahla sadeghani mohammad jafar Tarokh K.N. Toosi University of Technology Mohammad Ali Afshar Kazemi Islamic Azad University 2025 9 19 Sentiment analysis; BERT; genetic algorithm; hyperparameter optimization. http://jist.ir/fa/Article/Download/51529