@inproceedings{SIGIR-1988-Nie,
	author        = "Jian-Yun Nie",
	booktitle     = "{Proceedings of the 11th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	cdrom         = "SIGIR1988/P495.pdf",
	doi           = "10.1145/62437.62493",
	isbn          = "2-7061-0309-4",
	pages         = "495--506",
	publisher     = "{ACM}",
	title         = "{An Outline of a General Model for Information Retrieval Systems}",
	year          = 1988,
}