- Hagen Höpfner, Friederike Klan, editors, Post-Proceedings of the 19. GI-Workshop on Foundations of Databases (Grundlagen von Datenbanken), Bretten, Baden-Württemberg, Germany, May 29 - June 1, 2007. Volume 02/2007 of Technical Report, School of Information Technology, International University in Germany, 2007.