Christoph Bussler John Davies Dieter Fensel Rudi Studer The Semantic Web: Research and Applications, First European Semantic Web Symposium, ESWS 2004, Heraklion, Crete, Greece, May 10-12, 2004, Proceedings ESWS Lecture Notes in Computer Science 3053 Springer 2004 3-540-21999-4 https://doi.org/10.1007/b97867 https://www.wikidata.org/entity/Q77987464 db/conf/esws/esws2004.html