@book{Piatetsky91a,
	title = {Knowledge Discovery in Databases},
	editor = {G. Piatetsky-Shapiro and W. J. Frawley},
	publisher = {AAAI Press},
	year = {1991},
	biburl = {http://www.bibsonomy.org/bibtex/29693a4afe19be12d20c73a50c5d17f82/stumme},
	keywords = {FCA OntologyHandbook }
}