@inproceedings{CIKM-2006-NasraouiCRG,
	author        = "Olfa Nasraoui and Jeff Cerwinske and Carlos Rojas and Fabio A. González",
	booktitle     = "{Proceedings of the 15th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1183614.1183734",
	isbn          = "1-59593-433-2",
	pages         = "794--795",
	publisher     = "{ACM}",
	title         = "{Collaborative filtering in dynamic usage environments}",
	year          = 2006,
}