%0 Conference Paper %1 calders02mining %A Calders, Toon %A Goethals, Bart %B PKDD '02: Proceedings of the 6th European Conference on Principles of Data Mining and Knowledge Discovery %C London, UK %D 2002 %I Springer-Verlag %K FCA OntologyHandbook %P 74--85 %T Mining All Non-derivable Frequent Itemsets