Title	Investigating the Role of Internet of Things in Knowledge Management Systems (Case Study: Offering a Resource Description Model Based on Ontological Study of Smart Store Management (Smart shopping cart))
Author	Siamak Shahpasand, Omid Rahimzadeh
Citation	Vol. 18  No. 4  pp. 144-151
Keywords	IoT, ontological study, smart store

Title	Eliciting Theory of Software Maintenance Outsourcing Process: A Systematic Literature Review
Author	Atif Ikram, Hadia Riaz, Ahmad Salman Khan
Citation	Vol. 18  No. 4  pp. 132-143
Keywords	Software maintenance outsourcing process model, third party maintenance practices SLR

Title	Unit Selection Model in Arabic Speech Synthesis
Author	Nedhal A. Al-Saiyd and Mohammad Hijjawi
Citation	Vol. 18  No. 4  pp. 126-131
Keywords	Arabic Speech, Unit Selection, Segmentation, Syllable, Speech Analysis.

Title	State Feedback Controller Based on Bond Graph Observers
Author	Attafi Rim and Zanzouri Nadia
Citation	Vol. 18  No. 4  pp. 116-125
Keywords	Stringing machine, state feedback controller, BG tool, LMI.