Advances in Conceptual Modeling - Theory and Practice : ER 2006 Workshops BP-UML, CoMoGIS, COSS, ECDM, OIS, QoIS, SemWAT, Tucson, AZ, USA, November 6-9, 2006, Proceedings - John F. Roddick, V. Richard Benjamins, Samira Si-said Cherfi, Roger Chiang, Christophe Claramunt, Ramez A. Elmasri, Fabio Grandi, Hyoil Han, Martin Hepp, Miltiadis D. Lytras, Vojislav B. Mi.i., Geert Poels, Il-Yeol Song, Juan Trujillo, . Christelle Vangenot ((Lecture Notes in Computer Science))