@inproceedings{RecSys-2010-KaragiannidisAZV,
	author        = "Savvas Karagiannidis and Stefanos Antaris and Christos Zigkolis and Athena Vakali",
	booktitle     = "{Proceedings of the Fourth Conference on Recommender Systems}",
	doi           = "10.1145/1864708.1864754",
	isbn          = "978-1-60558-906-0",
	pages         = "229--232",
	publisher     = "{ACM}",
	title         = "{Hydra: an open framework for virtual-fusion of recommendation filters}",
	year          = 2010,
}