Visualizing formalisms with ORM models - Overbeek, Sietse; van Bommel, Patrick; Proper, Erik; Rijsenbrij, Daan (On the Move to Meaningful Internet Systems 2007: OTM 2007 Workshops - OTM Confederated International Conferences and Posters, AWeSOMe, CAMS, OTM Academy Doctoral Consortium, MONET, OnToContent, ORM, PerSys, PPN, RDDS, SSWS, and SWWS 2007, Vilamoura, 2007)