Advances in Conceptual Modeling. Recent Developments and New Directions : ER 2011 Workshops FP-UML, MoRE-BI, Onto-CoM, SeCoGIS, Variability@ER, WISM, Brussels, Belgium, October 31 - November 3, 2011 - Olga Troyer, Claudia Bauzer Medeiros, Roland Billen, Pierre Hallot, Alkis Simitsis, Hans Mingroot ((Lecture Notes in Computer Science))