Trends and Innovations in E-business, Education and Security reviewed proceedings : sixth international scientific videoconference of scientists and PhD. students or candidates : november 24, 2016 - Rajnai, Zoltán; Schmidt, Peter, 1968-; Szivósová, Mária, 1958-; Jurík, Pavol, 1987-; Ancza, Erzsébet; Szabó, Lajos (Óbudai Egyetem, 2016)