@inproceedings{RecSys-2008-KoutrikaIBG,
	author        = "Georgia Koutrika and Robert Ikeda and Benjamin Bercovitz and Hector Garcia-Molina",
	booktitle     = "{Proceedings of the Second Conference on Recommender Systems}",
	doi           = "10.1145/1454008.1454041",
	isbn          = "978-1-60558-093-7",
	pages         = "203--210",
	publisher     = "{ACM}",
	title         = "{Flexible recommendations over rich data}",
	year          = 2008,
}