فهرس المقالات Sina Dami المقاله 1 - An Aspect-Level Sentiment Analysis Based on LDA Topic Modeling 10.61186/jist.38104.12.46.117 Sina Dami Ramin Alimardani Journal of Information Systems and Telecommunication (JIST) , العدد 2 , السنة 12 , بهار 2024