@inproceedings{SIGIR-1999-LosadaB,
	author        = "David E. Losada and Alvaro Barreiro",
	booktitle     = "{Proceedings of the 22nd International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	cdrom         = "SIGIR1999/P066.pdf",
	doi           = "10.1145/312624.312654",
	pages         = "66--73",
	publisher     = "{ACM}",
	title         = "{Using a Belief Revision Operator for Document Ranking in Extended Boolean Models}",
	year          = 1999,
}