Advances in Conceptual Modeling - Challenging Perspectives ER 2009 Workshops CoMoL, ETheCoM, FP-UML, MOST-ONISW, QoIS, RIGiM, SeCoGIS, Gramado, Brazil, November 9-12, 2009. Proceedings - Heuser, Carlos Alberto; Pernul, Günther (Springer Berlin Heidelberg, 2009)