“…Nevertheless, quite few researchers have analyzed fake accounts detection as based on a semantic approach and ontology engineering. A novel ontology-based method was proposed to identify dubious content on Twitter during instances or events where tweets are linked to ontologies of specific themes, eventually in order to verify the similarities between tweet texts and ontologies dealing with relevant subjects [17]. A new spam detection algorithm has been presented, called Social Event Detection, and it is based on ontology Multiple steps are introduced, beginning with the creation of the ontology, attribute extraction, the correlation of words to the current class context and ending with the identification of whether it is spam or not [18].…”