مرکز منطقه ای اطلاع رسانی علوم و فناوری Journal of Information Systems and Telecommunication (JIST) 2322-1437 12 46 2024 6 24 An Aspect-Level Sentiment Analysis Based on LDA Topic Modeling 117 126 10.61186/jist.38104.12.46.117 en Sina Dami Malek-Ashtar University of Technology Ramin Alimardani Islamic Azad University 2022 6 15 Natural Language Processing Sentiment Analysis Aspect-Level Topic Modeling LDA http://jist.ir/ar/Article/Download/38104