Sven Schade Arnd Sahlmann Michael Lutz Florian Probst Werner Kuhn Comparing Approaches for Semantic Service Description and Matchmaking. 1062-1079 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3291&spage=1062 2004 conf/coopis/2004-2 CoopIS/DOA/ODBASE (2) db/conf/coopis/coopis2004-2.html#SchadeSLPK04