@inproceedings{SIGIR-1998-Larson,
	author        = "Ray R. Larson",
	booktitle     = "{Proceedings of the 21st International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	cdrom         = "SIGIR1998/P385.pdf",
	doi           = "10.1145/290941.291072",
	pages         = "385",
	publisher     = "{ACM}",
	title         = "{Cheshire II: Combining Probabilistic and Boolean Retrieval}",
	year          = 1998,
}