1. GéoPortail (visited 03/20/2007), http://www.geoportail.fr
2. Agrawal, R., Haas, P.J., Kiernan, J.: Watermarking relational data: framework, algorithms and analysis. VLDB J. 12(2), 157–169 (2003)
3. Airault, S.: De la base de données à la carte: une approche globale pour l’équarrissage de bâtiments (in french). Revue Internationale de Géomatique 6(2-3), 203–217 (1996)
4. Douglas, D., Peucker, T.: Algorithms for the reduction of the number of points required for represent a digitized line or its caricature. Canadian Cartographer 10(2), 112–122 (1973)
5. Duchêne, C., Bard, S., Barillot, X., Ruas, A., Trevisan, J., Holzapfel, F.: Quantitative and qualitative description of building orientation. In: Fifth workshop on progress in automated map generalisation, ICA, commission on map generalisation (April 2003)