B. Grau, Y. Kazakov, und C. Halaschek-Wiener. Proceedings of the 6th International Semantic Web Conference and 2nd Asian Semantic Web Conference (ISWC/ASWC2007), Busan, South Korea, Volume 4825 von LNCS, Seite 183--196. Berlin, Heidelberg, Springer Verlag, (November 2007)
C. Kiefer, A. Bernstein, und M. Stocker. Proceedings of the 6th International Semantic Web Conference and 2nd Asian Semantic Web Conference (ISWC/ASWC2007), Busan, South Korea, Volume 4825 von LNCS, Seite 295--308. Berlin, Heidelberg, Springer Verlag, (November 2007)
D. Zeginis, Y. Tzitzikas, und V. Christophides. Proceedings of the 6th International Semantic Web Conference and 2nd Asian Semantic Web Conference (ISWC/ASWC2007), Busan, South Korea, Volume 4825 von LNCS, Seite 631--644. Berlin, Heidelberg, Springer Verlag, (November 2007)