@inproceedings{HeckmannSB+05UM,
  author    = {Heckmann, Dominik and Schwartz, Tim and 
               Brandherm, Boris and Schmitz, Michael and 
               von Wilamowitz-Moellendorff, Margeritta},
  title     = {GUMO - the General User Model Ontology},
  year      = {2005},
  pages     = {428--432},
  booktitle = {Proceedings of the 10th International Conference on 
               User Modeling},
  publisher = {LNAI 3538: Springer, Berlin Heidelberg},
  address   = {Edinburgh, UK}
}