Sina Institute for Knowledge Engineering and Arabic Technologies, in short Sina Institute, is a newly established research institute at Birzeit University, Palestine. It aims not only to advance the Palestinian society with innovative solutions, but also to contribute to the world knowledge with state-of-art research. The institutes long term strategy is to be a world-class center of excellence in Arabic Knowledge Engineering. The institute consists currently of two research groups: OnToGroup, and ALTIR Group. The OnToGroup (lead by Mustafa Jarrar, Associate Professor) focuses on Arabic Lexical Semantics, Ontology Engineering, Knowledge Management, Database and Semantic Web....