Title	Conceptual Modeling of Time for Computational Ontologies
Author	Sabah Al-Fedaghi
Citation	Vol. 20  No. 6  pp. 1-14
Keywords	Ontology computational ontology conceptual model SysML engineering requirements modeling time

Title	Implementation of User Authentication Processes for the Cloud Type Virtual Policy Based Network Management Scheme for the Specific Domain
Author	Kazuya Odagiri, Shogo Shimizu, Naohiro Ishii
Citation	Vol. 20  No. 5  pp. 197-204
Keywords	Policy-based network management DACS Scheme QOS

Title	An Adaptive Framework for Designing Secure e-Exam Systems
Author	Mohammad T. Alshammari
Citation	Vol. 20  No. 5  pp. 189-196
Keywords	E-Learning E-Exam Security Learner Model Education

Title	Detecting Spam Messages on Social Networks in Saudi Arabia
Author	Ayman Alharbi, Waad Algethami, Abeer Alghamdi, Marwan Albahar, Saleh Ibrahim
Citation	Vol. 20  No. 5  pp. 181-188
Keywords