John F. Roddick Aaron Ceglar Denise de Vries Towards Active Conceptual Modelling for Sudden Events. 203-208 2007 ER (Tutorials, Posters, Panels & Industrial Contributions) http://crpit.com/abstracts/CRPITV83Roddick.html conf/er/2007tppi db/conf/er/ertppi2007.html#RoddickCV07