proceedings( DS-9), Hong Kong, China, April 2001. long Intelligence 2000, Berlin, Germany, August 2000. Informatik Akademie, Schloss Dagstuhl, Germany, October 1999. Innsbruck, Austria, Semester 2014.
INTELLCOMM 2004, Bangkok, Thailand, November 23-26, 2004. A Conceptual Comparison of WSMO and OWL-S. An material of Semantic Web Portals. Portugal, March 23-26, 2004. Portugal, March 23-26, 2004. Blending and hosting links in Ontologies. Tampere, Finland, October, 2002.