Title	Towards a Context-Aware Composition of Services
Author	Hicham Baidouri, Hatim Hafiddi, Mahmoud Nassar and Abdelaziz Kriouile
Citation	Vol. 12  No. 3  pp. 133-140
Keywords	Context-aware composite service, model driven engineering, context-aware compostion

Title	Investigating of The Reducing Techniques for The Peak to Average Power Ratio(PAPR) in OFDM Systems
Author	Saeed Mohseni, Mohammad A. Matin
Citation	Vol. 12  No. 4  pp. 1-8
Keywords	Peak to Average Power Ratio (PAPR), High Power Amplifier (HPA), Orthogonal Frequency Division Multiplexing (OFDM), Clipping and Filtering (CAF)

Title	Comparative Analysis of Bee-Ant Colony Optimized Routing (BACOR) with Existing Routing Protocols for Scalable Mobile Ad Hoc Networks (MANETs) based on Pause Time
Author	S. Kanimozhi Suguna, S.Uma Maheswari
Citation	Vol. 12  No. 4  pp. 9-14
Keywords	BACOR, Bee Routing, Ant Routing, Bee-Ant Routing

Title	E-Learning and Security Threats
Author	Ateeq Ahmad, Mohammed Ahmed Elhossiny
Citation	Vol. 12  No. 4  pp. 15-18
Keywords	Security Risk, Security Threats, E-Learning, Definition