@inproceedings{RecSys-2009-HelouSSG,
	author        = "Sandy El Helou and Christophe Salzmann and Stéphane Sire and Denis Gillet",
	booktitle     = "{Proceedings of the Third Conference on Recommender Systems}",
	doi           = "10.1145/1639714.1639791",
	isbn          = "978-1-60558-435-5",
	pages         = "373--376",
	publisher     = "{ACM}",
	title         = "{The 3A contextual ranking system: simultaneously recommending actors, assets, and group activities}",
	year          = 2009,
}