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Group Communications and Charges; Technology and Business Models: 5th COST264 International Workshop on Networked Group Communications, NGC 2003, and 3rd International Workshop on Internet Charging and QoS Technologies, ICQT 2003, Munich, Germany, September 16-19, 2003 Proceedings

Quality of Service in the Emerging Networking Panorama: 5th International Workshop on Quality of Future Internet Services, QofIS 2004, and WQoSR 2004 and ICQT 2004, Barcelona, Spain, September 29- October 1, 2004, Proceedings