@inproceedings{RecSys-2013-PuF,
	author        = "Li Pu and Boi Faltings",
	booktitle     = "{Proceedings of the Seventh Conference on Recommender Systems}",
	doi           = "10.1145/2507157.2507178",
	isbn          = "978-1-4503-2409-0",
	pages         = "41--48",
	publisher     = "{ACM}",
	title         = "{Understanding and improving relational matrix factorization in recommender systems}",
	year          = 2013,
}