Advances in Conceptual Modeling - Theory and Practice - Roddick, John F.; Benjamins, V. Richard; Chiang, Roger; Claramunt, Christophe; Elmasri, Ramez A.; Grandi, Fabio; Han, Hyoil; Hepp, Martin; Kanade, Takeo; Lytras, Miltiadis D.; Si-said Cherfi, Samira; Benjamins, Richard; et al. (Springer Berlin Heidelberg, 2006)