Conceptual Structures: Broadening the Base 9th International Conference on Conceptual Structures, ICCS 2001, Stanford, CA, USA, July 30-August 3, 2001, Proceedings Delugach Harry S. Heftet / 2001 / Engelsk
Conceptual Structures: Common Semantics for Sharing Knowledge 13th International Conference on Conceptual Structures, ICCS 2005, Kassel, Germany, July 17-22, 2005, Proceedings Dau Frithjof Heftet / 2005 / Engelsk
Informationelle Selbstbestimmung im Web 2.0 Chancen und Risiken sozialer Verschlagwortungssysteme Doerfel, Stephan Innbundet / 2013 / Tysk
