@inproceedings{aaai2008,
  title = "Metalevel Information in Ontology-Based Applications",
  author = "Duc Thanh Tran and Peter Haase and Bernardo Cuenca Grau and Boris Motik and Ian Horrocks",
  year = "2008",
  booktitle = "Proceedings of the 23thrd National Conference on Artificial Intelligence (AAAI 2008)",
  location = "Chicago, Illinois",
  month = "July",
  publisher = "AAAI Press",
  url = "http://web.comlab.ox.ac.uk/people/Boris.Motik/pubs/dhmgh08-metalevel-information.pdf",
}