Advances in Conceptual Modeling - Challenges and Opportunities : ER 2008 Workshops CMLSA, ECDM, FP-UML, M2AS, RIGiM, SeCoGIS, WISM, Barcelona, Spain, October 20-23, 2008, Proceedings - Il-Yeol Song, Mario Piattini, Yi-Ping Phoebe Chen, Sven Hartmann, Fabio Grandi, Juan Trujillo, Andreas L. Opdahl, Fernando Ferri, Patrizia Grifoni, Maria Chiara Caschera, Colette Rolland, Carson Woo, Camille Salinesi, Esteban Zimányi, Christophe Claramunt, Flavius Frasincar, Geert-Jan Houben, . Philippe Thiran ((Lecture Notes in Computer Science))