Olga Caprotti Mike Dewar Daniele Turi Mathematical Service Matching Using Description Logic and OWL. 73-87 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3119&spage=73 2004 conf/mkm/2004 MKM db/conf/mkm/mkm2004.html#CaprottiDT04