R. Arndt, R. Troncy, S. Staab, L. Hardman, und M. Vacura. The Semantic Web, 6th International Semantic Web Conference, 2nd Asian Semantic Web Conference, ISWC 2007 + ASWC 2007, Busan, Korea, November 11-15, 2007, Seite 30-43. (2007)
S. Grimm, B. Motik, und C. Preist. Proc. of the 3rd European Semantic Web Conference (ESWC 2006), Volume 4011 von LNCS, Seite 575--589. Budva, Montenegro, Springer, (Juni 2006)
X. Wang, D. Zhang, T. Gu, und H. Pung. Pervasive Computing and Communications Workshops, 2004. Proceedings
of the Second IEEE Annual Conference on, Seite 18- 22. (März 2004)
K. Tolle. AISTA'04: International Conference on Advances in Intelligent Systems
- Theory and Applications in cooperation with IEEE Computer Society,
Centre de Recherche Public Henri Tudor, Luxembourg, (November 2004)
T. Strang, C. Linnhoff-Popien, und K. Frank. Distributed Applications and Interoperable Systems: 4th IFIP WG6.1
International Conference, DAIS 2003, Paris, France, November 17-21,
2003. Proceedings, 2893 / 2003, Seite 236 - 247. Springer-Verlag GmbH, (2003)