@inproceedings{KR-08,
  author = "Boris Motic, Bernardo Cuenca Grau, Ian Horrocks and Ulrike Sattler",
  booktitle = "11th International Conference on the Principles of Knowledge Representation and Reasoning (KR-2008)",
  title = "Representing Structured Objects using Description Graphs",
  url = "http://web.comlab.ox.ac.uk/people/Boris.Motik/pubs/mghs08description-graphs.pdf",
  year = "2008",
}