J. Volz, C. Bizer, M. Gaedke, and G. Kobilarov. The Semantic Web -- ISWC 2009: 8th International Semantic Web Conference, Chantilly, VA, USA, volume 5823 of Lecture Notes in Computer Science, Springer, Berlin, (2009)
S. Bechhofer, R. Volz, and P. Lord. The Semantic Web -- ISWC 2003: Second International Semantic Web Conference, Sanibel Island, FL, USA, volume 2870 of Lecture Notes in Computer Science, Springer, Berlin, (2003)