@inproceedings{SIGIR-2002-CosterS,
	author        = "Rickard Cöster and Martin Svensson",
	booktitle     = "{Proceedings of the 25th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/564376.564420",
	pages         = "246--252",
	publisher     = "{ACM}",
	title         = "{Inverted file search algorithms for collaborative filtering}",
	year          = 2002,
}