@inproceedings{SIGIR-1994-Lee,
	acmid         = "188556",
	author        = "Joon Ho Lee",
	booktitle     = "{Proceedings of the 17th International ACM SIGIR Conference on Research and Development in Information Retrieval (Special Issue of the SIGIR Forum)}",
	cdrom         = "SIGIR1994/P182.pdf",
	isbn          = "3-540-19889-X",
	pages         = "182--190",
	publisher     = "{Springer-Verlag}",
	title         = "{Properties of Extended Boolean Models in Information Retrieval}",
	year          = 1994,
}