@inproceedings{OWLEdEU2008,
  title = "Modeling Ontologies Using OWL, Description Graphs and Rules",
  author = "Boris Motik and Bernardo Cuenca Grau and Ian Horrocks and Ulrike Sattler",
  year = "2008",
  booktitle = "Proc. of OWLEd 2008: OWL Experiences and Directions Workshop",
  journal = "Proc. of OWLEd 2008: OWL Experiences and Directions Workshop",
}