Web Content Caching and Distribution 9th International Workshop, WCW 2004, Beijing, China, October 18-20, 2004. Proceedings - Chi, Chi-Hung; Chi, Chi-Hung; Steen, Maarten van; Steen, Maarten van; Wills, Craig; Wills, Craig (Springer Berlin Heidelberg : Imprint: Springer, 2004)