Colored Petri Net Model for Blocking Misleading Information Propagation in Online Social Networks. - Mohamed Torky; Ali Meligy; Hani Ibrahim; Aboul Ella Hassanien (AISI, 2017)

A challenge-response mechanism for securing online social networks against social bots. - Mohamed Torky; Ali Meligy; Hani Ibrahim (Int. J. Ad Hoc Ubiquitous Comput., 2019)