Dr. Said Gadri: Received his degree of engineer in computer science, field Hard&Software from the University Ferhat Abbas of Setif, Algeria in 1996, the degree of magister (Bac + 7) from the University Mohamed Boudiaf of M’sila, Algeria in 2006, and the degree of doctor of sciences from the university Ferhat Abbas of Setif, Algeria in 2016, the degree of habilitation from the university Mohamed Boudiaf of M'sila in 2021. He is currently an associate professor (permanent teacher) of computer science at the university Mohamed Boudiaf of M’sila, Algeria since 2007. Teaching different subjects like: Graph theory, Computer architecture, Databases, Web technology, programming languages (Pascal, C++, C#, Algorithmic), Expert systems, Modeling and simulation, Artificial Intelligence, Information Retrieval, etc. He is a member of the scientific council of mathematics and computer sciences faculty, since 2009 to our days, a member of the teaching committee of the CS department (2013 – 2015). Currently, he is interested in many areas of research such as Text categorization, machine learning, Text mining, Information retrieval, Deep Learning, and natural language processing. Published more than 30 papers in different international journals and conferences around the world.