Felix-Robinson Aschoff Franz Schmalhofer Ludger van Elst Knowledge Mediation: A Procedure for the Cooperative Construction of Domain Ontologies. 506-508 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3257&spage=506 2004 conf/ekaw/2004 EKAW db/conf/ekaw/ekaw2004.html#AschoffSE04