@inproceedings{TPDL-2013-BeelLGN,
	author        = "Jöran Beel and Stefan Langer and Marcel Genzmehr and Andreas Nürnberger",
	booktitle     = "{Proceedings of the 17th International Conference on Theory and Practice of Digital Libraries}",
	doi           = "10.1007/978-3-642-40501-3_43",
	isbn          = "978-3-642-40500-6",
	pages         = "386--390",
	publisher     = "{Springer}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Persistence in Recommender Systems: Giving the Same Recommendations to the Same Users Multiple Times}",
	volume        = 8092,
	year          = 2013,
}