Title	An Energy-Aware Aggregation Tree Scheme in Sensor Networks
Author	Kilhung Lee
Citation	Vol. 8  No. 5  pp. 175-180
Keywords	sensor network, energy-aware routing, aggregation tree

Title	Topological Analysis between Bodies with Holes
Author	Zhang Jun, Qin Xiaolin
Citation	Vol. 8  No. 5  pp. 167-174
Keywords	9-intersection model, 3D spatial objects, topological relations, topological analysis, spatial reasoning

Title	Usability Measurement of Malaysia Online News Websites
Author	Rusli Abdullah, Koh Tieng Wei
Citation	Vol. 8  No. 5  pp. 159-166
Keywords	Usability Measurement, Online News Websites

Title	Design of Service Discovery Scheme based on Connection Degree in Mobile Ad-hoc Network Environments
Author	Gu Su Kim
Citation	Vol. 8  No. 5  pp. 154-158
Keywords	service discovery, ad-hoc network, p2p fashion, connection degree