Deploying Semantic Web Technologies for Information Fusion of Terrorism-related Content and Threat Detection on the Web. - Panagiotis Mitzias; Efstratios Kontopoulos; James Staite; Tony Day; George Kalpakis; Theodora Tsikrika; Helen Gibson; Stefanos Vrochidis; Babak Akhgar; Ioannis Kompatsiaris (WI (Companion), 2019)