@book{BeierleKernIsberner2009InfBericht354,
   EDITOR = "C. Beierle and G. Kern-Isberner",
   TITLE  = "{Relational Approaches to Knowledge Representation
             and Learning.
             Workshop at the 32nd Annual German Conference
             on Artificial Intelligence, KI-2009,
             Paderborn, Germany, September 15, 2009.
             Proceedings}",
   PUBLISHER = "{Fakult{\"{a}}t f{\"{u}}r Mathematik und Informatik, 
                FernUniversit{\"a}t in Hagen}",
   SERIES = "{Informatik-Bericht 354}",
   YEAR = 2009   }