@inproceedings{SIGIR-2003-AzzopardiGR,
	author        = "Leif Azzopardi and Mark Girolami and Keith van Rijsbergen",
	booktitle     = "{Proceedings of the 26th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/860435.860505",
	isbn          = "1-58113-646-3",
	pages         = "369--370",
	publisher     = "{ACM}",
	title         = "{Investigating the relationship between language model perplexity and IR precision-recall measures}",
	year          = 2003,
}