@inproceedings{SIGMOD-2008-Amer-YahiaGSY,
	author        = "Sihem Amer-Yahia and Alban Galland and Julia Stoyanovich and Cong Yu",
	booktitle     = "{Proceedings of the 26th ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1376616.1376766",
	isbn          = "978-1-60558-102-6",
	pages         = "1323--1326",
	publisher     = "{ACM}",
	title         = "{From del.icio.us to x.qui.site: recommendations in social tagging sites}",
	year          = 2008,
}