M. Dzbor, J. Domingue, und E. Motta. International Semantic Web Conference, Volume 2870 von Lecture Notes in Computer Science, Seite 690-705. Springer, (2003)
A. Hotho, Y. Sure, und L. Getoor (Hrsg.) (August 2004)located at the 10th International ACM SIGKDD Conference on Knowledge Discovery and Data Mining KDD 2004, 22nd August 2004 - Seattle, WA, USA.