@inproceedings{RecSys-2015-Ludmann,
	author        = "Cornelius A. Ludmann",
	booktitle     = "{Proceedings of the Ninth Conference on Recommender Systems}",
	doi           = "10.1145/2792838.2796544",
	isbn          = "978-1-4503-3692-5",
	pages         = "391--394",
	publisher     = "{ACM}",
	title         = "{Online Recommender Systems based on Data Stream Management Systems}",
	year          = 2015,
}