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

Network Economics for Next Generation Networks: 6th International Workshop on Internet Charging and QoS Technologies, ICQT 2009, Aachen, Germany, May 11-15, 2009, Proceedings

Performability Has its Price: 5th International Workshop on Internet Charging and QoS Technologies, ICQT 2006, St. Malo, France, June 27, 2006, 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