@inproceedings{CIKM-2009-SvoreB,
	author        = "Krysta Marie Svore and Christopher J. C. Burges",
	booktitle     = "{Proceedings of the 18th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1645953.1646237",
	isbn          = "978-1-60558-512-3",
	pages         = "1811--1814",
	publisher     = "{ACM}",
	title         = "{A machine learning approach for improved BM25 retrieval}",
	year          = 2009,
}