@article {journals/www/SidiropoulosPKSVM08,
	title = {Prefetching in Content Distribution Networks via Web Communities Identification and Outsourcing},
	journal = {World Wide Web},
	volume = {11},
	number = {1},
	year = {2008},
	pages = {39-70},
	author = {Sidiropoulos, Antonis and Pallis, George and Katsaros, Dimitrios and Stamos, Konstantinos and Athena Vakali and Manolopoulos, Yannis}
}