@inproceedings{KDD-2009-PanS,
	author        = "Rong Pan and Martin Scholz",
	booktitle     = "{Proceedings of the 15th International Conference on Knowledge Discovery and Data Mining}",
	doi           = "10.1145/1557019.1557094",
	isbn          = "978-1-60558-495-9",
	pages         = "667--676",
	publisher     = "{ACM}",
	title         = "{Mind the gaps: weighting the unknown in large-scale one-class collaborative filtering}",
	year          = 2009,
}