@conference {katsalis2015content,
	title = {Content Placement in Heterogeneous End-to-End Virtual Networks},
	booktitle = {30th Annual ACM Symposium on Applied Computing (SAC)},
	year = {2015},
	author = {Katsalis, Kostas and Sourlas, Vasilis and Papaioannou, Thanasis and Korakis, Thanasis and Tassiulas, Leandros}
}
