@inproceedings{SIGIR-2006-DiazM,
	author        = "Fernando Díaz and Donald Metzler",
	booktitle     = "{Proceedings of the 29th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/1148170.1148200",
	isbn          = "1-59593-369-7",
	pages         = "154--161",
	publisher     = "{ACM}",
	title         = "{Improving the estimation of relevance models using large external corpora}",
	year          = 2006,
}