فهرس المقالات Hassan Khotanlou المقاله 1 - SGF (Semantic Graphs Fusion): A Knowledge-based Representation of Textual Resources for Text Mining Applications 10.7508/jist.2019.02.004 Morteza Jaderyan Hassan Khotanlou Journal of Information Systems and Telecommunication (JIST) , العدد 2 , السنة 7 , بهار 2019