@inproceedings{RecSys-2011-VargasC,
	author        = "Saúl Vargas and Pablo Castells",
	booktitle     = "{Proceedings of the Fifth Conference on Recommender Systems}",
	doi           = "10.1145/2043932.2043955",
	isbn          = "978-1-4503-0683-6",
	pages         = "109--116",
	publisher     = "{ACM}",
	title         = "{Rank and relevance in novelty and diversity metrics for recommender systems}",
	year          = 2011,
}