J. Broekstra, und A. Kampman.. Workshop on Practical and Scalable Semantic Systems (PSSS) at the Second International Semantic Web Conference (ISWC), Sanibel Island, Florida,, (Oktober 2003)
R. Vdovjak, P. Barna, und G. Houben. Advanced Information System Engineering, 15th
International Conference, CAiSE 2003, Volume 2681 von Lecture Notes in Computer Science, Klagenfurt/Velden, Austria, Springer-Verlag, (Juni 2003)
J. Wielemaker, G. Schreiber, und B. Wielinga. The Semantic Web - ISWC 2003, Second International Semantic Web Conference, Volume 2870 von Lecture Notes in Computer Science, Seite 644 - 658. (2003)