@inproceedings{SIGIR-2012-BlancoB,
	author        = "Roi Blanco and Paolo Boldi",
	booktitle     = "{Proceedings of the 35th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/2348283.2348406",
	isbn          = "978-1-4503-1472-5",
	pages         = "921--930",
	publisher     = "{ACM}",
	title         = "{Extending BM25 with multiple query operators}",
	year          = 2012,
}