@inproceedings{SIGIR-1985-WongZW,
	author        = "S. K. Michael Wong and Wojciech Ziarko and P. C. N. Wong",
	booktitle     = "{Proceedings of the Eighth annual international ACM SIGIR conference on Research and development in information retrieval}",
	doi           = "10.1145/253495.253506",
	isbn          = "0-89791-159-8",
	pages         = "18--25",
	publisher     = "{ACM}",
	title         = "{Generalized Vector Space Model in Information Retrieval}",
	year          = 1985,
}