Title	Modeling Network Architecture: A Cloud Case Study
Author	Sabah Al-Fedaghi and Dana Al-Qemlas
Citation	Vol. 20  No. 3  pp. 195-209
Keywords	Conceptual model, communication modeling, cloud network, network architecture

Title	Modeling Physical/Digital Systems: Formal Event-B vs. Diagrammatic Thinging Machine
Author	Sabah Al-Fedaghi
Citation	Vol. 20  No. 4  pp. 208-220
Keywords	Event-B conceptual model thinging machine event diagrammatic representation

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	Changes, States, and Events: The Thread from Staticity to Dynamism in the Conceptual Modeling of Systems
Author	Sabah Al-Fedaghi
Citation	Vol. 20  No. 7  pp. 138-151
Keywords	Static changes conceptual model finite state machine requirements modeling static states events behavior specification