LDL schema v1.2, 25-06-2006 by Christian Martel (christian.martel@pentila.com), by Steve Giraud (steve.giraud@pentila.com), by Igor Barma (igor.barma@pentila.com), by Christine Ferraris (christine.ferraris@univ-savoie.fr), by Laurence Vignollet (laurence.vignollet@univ-savoie.fr), by Jean-Pierre David (jean-pierre.david@imag.fr), by Anne Lejeune (anne.lejeune@imag.fr), by Guillaume Durand (guillaume.durand@univ-savoie.fr), This schema defines terms for LDL learning Design Langage