Title	A Novel Cluster-based Key Management Scheme to Improve Scalability in Wireless Sensor Networks
Author	Seyed Reza Nabavi, Seyed Morteza Mousavi
Citation	Vol. 16  No. 7  pp. 150-156
Keywords	Security, Clustering, Key Management, Wireless Sensor Networks

Title	Pathology and Prediction of Performance of Virtual Students by Using Regression Techniques
Author	Hossein Fathi, Reza Samizadeh
Citation	Vol. 16  No. 7  pp. 142-149
Keywords	E-Learning, Distance Learning, Academic Performance, Data Mining Techniques, Regression, Neural network

Title	A New Testability Transformation Method for Programs with Assertions
Author	Ali M. Alakeel
Citation	Vol. 16  No. 7  pp. 137-141
Keywords	Assertion-based software testing. testability transformation. software testing. data dependency analysis

Title	Efficient Keyword-Based Searching Strategies for Linked Databases
Author	SRINIVAS VNVSR, SONY KRISHNA R
Citation	Vol. 16  No. 7  pp. 131-136
Keywords	keyword search, keyword element relationship, set level relationship, multilevel interrelationships, routing plan.