1. YAM2: A Multidimensional Conceptual Model Extending UML.;A.Abello;Information Systems,2006
2. Bédard, Y., & Paquette, F. (1989). Extending entity/relationship formalism for spatial information systems. Paper presented at the AUTO-CARTO 9, Baltimore, MD.
3. Bédard, Y., Proulx, M. J., Larrivée, S., & Bernier, E. (2002). Modeling multiple representations into spatial data warehouses: A UML-based approach. Paper presented at the Joint Int. Symp. ISPRS Commission IV, Ottawa, Canada.