subjectTermFull: I. MATHEMATICS AND COMPUTER SCIENCE::COMPUTER SCIENCE::INFORMATION ASSURANCE AND SECURITY::ENGINEERINGcollection: 2subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGYauthor: Pagourtzis, Aristeidis_or_Mavridis, Ioannis_or_Zachos, Efstathios