subjectTermFull: I. MATHEMATICS AND COMPUTER SCIENCE::COMPUTER SCIENCE::INFORMATION ASSURANCE AND SECURITY::ENGINEERINGsubjectTerm: III. ENGINEERING AND TECHNOLOGYauthor: Pagourtzis, Aristeidis_or_Mavridis, Ioannis_or_Grontas, Panagiotis_or_Vakaloudis, Alexandros_or_Zachos, Efstathios