1. Access: Microsoft home page:
http://home.Microsoft.com
2. Andonoff, E., Mendiboure, C., Morin, C., Rougier, V., Zurfluh, G.: OHQL: An Hypertext Approach for Manipulating Object-Oriented Database. Information Processing and Management, Vol. 28, n∘6, 1992
3. Angellacio, M., Catarci, T., Santucci, G.: Query By Diagram: a Fully Visual Query System. Visual Languages and Computing, Vol. 1, n∘ 2, 1990
4. Belieres, B., Trepied, C.: New Metaphors for a Visual Query Language. DEXA’96, International Workshop on Databases and Expert Systems Applications, Zurich, Switzerland, September 1996
5. Belloir, N.: Une approche navigationnelle pour l’interrogation de base de données via le Web. Mémoire de DEA, Institut de Recherche en Informatique de Toulouse, Toulouse, France, September 1999