@inproceedings{SIGIR-1999-XuC,
	author        = "Jinxi Xu and W. Bruce Croft",
	booktitle     = "{Proceedings of the 22nd International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	cdrom         = "SIGIR1999/P254.pdf",
	doi           = "10.1145/312624.312687",
	pages         = "254--261",
	publisher     = "{ACM}",
	title         = "{Cluster-Based Language Models for Distributed Retrieval}",
	year          = 1999,
}