Title	A Comparative Study of Spatial-Temporal Database Trends
Author	Laila ElFangary, Mahmoud Ahmed, Shaimaa Bakr
Citation	Vol. 9  No. 12  pp. 75-88
Keywords	continuous queries, grid index, kNN, NN accuracy, SR error

Title	Enhancing WLAN MAC Protocol performance using Differentiated VOIP and Data Services Strategy
Author	S.Vijay Bhanu, RM.Chandrasekaran
Citation	Vol. 9  No. 12  pp. 89-95
Keywords	VOIP, WLAN, MAC, EDQ, QOS

Title	Automatic treatment of the learner’s productions
Author	Aziz Derouichi, Mohammed Karim, ElKaber Hachem
Citation	Vol. 9  No. 12  pp. 96-100
Keywords	Adjustable hypermedium, learner’s pattern, learner’s cognitive state, conceptual maps

Title	A Highly Scalable and Efficient Distributed File Storage System
Author	Fawad Riasat Raja, Adeel Akram
Citation	Vol. 9  No. 12  pp. 101-107
Keywords	Distributed Storage Systems, Peer-to-Peer Networks, Consistent Hashing, Data Blocks