John F. Roddick V. Richard Benjamins Samira Si-Said Cherfi Roger H. L. Chiang Christophe Claramunt Ramez Elmasri Fabio Grandi Hyoil Han Martin Hepp Miltiadis D. Lytras Vojislav B. Misic Geert Poels Il-Yeol Song Juan Trujillo Christelle Vangenot 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 Lecture Notes in Computer Science 4231 Springer 2006 3-540-47703-9 ER (Workshops) db/conf/er/erw2006.html