@inproceedings{SIGIR-1981-SmeatonR,
	author        = "Alan F. Smeaton and C. J. van Rijsbergen",
	booktitle     = "{Proceedings of the Fourth International Conference on Information Storage and Retrieval}",
	cdrom         = "SIGIR1981/P083.pdf",
	doi           = "10.1145/511754.511767",
	isbn          = "0-89791-052-4",
	pages         = "83--87",
	publisher     = "{ACM}",
	title         = "{The Nearest Neighbour Problem in Information Retrieval: An Algorithm Using Upperbounds}",
	year          = 1981,
}