Philipp Cimiano Andreas Hotho Gerd Stumme Julien Tane Conceptual Knowledge Processing with Formal Concept Analysis and Ontologies. 189-207 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2961&spage=189 2004 conf/icfca/2004 ICFCA db/conf/icfca/icfca2004.html#CimianoHST04