@inproceedings{SIGIR-1994-Callan,
	acmid         = "188589",
	author        = "James P. Callan",
	booktitle     = "{Proceedings of the 17th International ACM SIGIR Conference on Research and Development in Information Retrieval (Special Issue of the SIGIR Forum)}",
	cdrom         = "SIGIR1994/P302.pdf",
	isbn          = "3-540-19889-X",
	pages         = "302--310",
	publisher     = "{Springer-Verlag}",
	title         = "{Passage-Level Evidence in Document Retrieval}",
	year          = 1994,
}