1. S. Abiteboul, O. Benjelloun, and T. Milo. Positive active XML, PODS’2004, Paris, France, June 2004.
2. F. Baader, D. Calvanese, D. McGuinness, D. Nardi, and P. Patel-Schneider, The Description Logic Handbook, Cambridge University Press, 2003.
3. B. Benatallah, M.-S. Hacid, C. Rey, and F. Toumani, “Towards semantic reasoning for web services discovery,” in Proceedings of the International Semantic Web Conference (ISWC’03), Springer Verlag: Sanibel Island, Florida, USA, Oct 2003.
4. B. Bentallah, M.-S. Hacid, C. Rey, and F. Toumani, “Semantic reasoning for web services discovery,” in WWW 2003 Workshop on E-Services and the Semantic Web (ESSW’03), Budapest, HUNGARY, 2003.
5. A. Bernstein and M. Klein, “Discovering services: Towards high precision service retrieval,” in CaiSE Workshop on Web Services, e-Business, and the Semantic Web: Foundations, Models, Architecture, Engineering and Applications, Toronto, May 2002.