Title	Constructing Virtual Environments for Real Time E-learning
Author	Xun Ouyang†, Ahmad Kharaz††, Richard Thorn†
Citation	Vol. 6  No. 5  pp. 1-5
Keywords	E-learning, Virtual Reality, Virtual Environment, Interactivity, Image mapping

Title	Research on the performance of grid computing for distributed neural networks
Author	Bo Yang, Ya-dong Wang, Xiao-hong Su
Citation	Vol. 6  No. 4  pp. 179-187
Keywords	Artificial neural network, Grid computing, Cooperation strategy, Training algorithm, Performance evaluation

Title	Formal Network Designs for Critical Network Security Systems
Author	Dea-Woo Park
Citation	Vol. 6  No. 4  pp. 172-178
Keywords	Critical Systems, Risk Management, Security Requirements, Security Policy, Formal Methods

Title	Vaccine Distribution Path Optimization in Agent-Oriented Worm Defense System
Author	Ye Guo, Miaoliang Zhu
Citation	Vol. 6  No. 4  pp. 166-171
Keywords	Internet Worm; Agent; Network security.