Title	A Digital Right Management System using Shared Key Pool for Multimedia Data Protection
Author	Jae-Pyo Park, Moon S.Jun
Citation	Vol. 6  No. 4  pp. 114-121
Keywords	DRM, PKI, Shared key pool, Licensing agent, Double buffer

Title	Internal Location Based Services using Wireless Sensor Networks and RFID Technology
Author	MJ.Callaghan, P.Gormley, M.McBride, J.Harkin, TM.McGinnity
Citation	Vol. 6  No. 4  pp. 108-113
Keywords	Location based services, RFID, wireless sensory networks.

Title	Comparing Semantic Web Service Frameworks in a Context of Auction Services
Author	Naoki Fukuta, Takayuki Ito
Citation	Vol. 6  No. 4  pp. 100-107
Keywords	semantic Web, auction mechanism, semantic Web services

Title	Enhanced ART1-based Self-Organizing Supervised Learning Algorithm for Channel Optimization in Mobile Cellular Networks
Author	Kwang-baek Kim, Cheul-woo Ro, Kwang-eui Lee, Kyung-min Kim
Citation	Vol. 6  No. 4  pp. 94-99
Keywords	ART1, neural network, channel optimization, guard channel, cellular networks.