@inproceedings{KR2010,
  title = "Pushing the Limits of Reasoning over Ontologies with Hidden Content",
  author = "Bernardo Cuenca Grau and Boris Motik",
  year = "2010",
  booktitle = "Proceedings of the Twelfth International Conference on the Principles of Knowledge Representation and Reasoning (KR 2010)",
  location = "Toronto, Canada",
  pages = "214-224",
  publisher = "AAAI Press",
  url = "http://www.comlab.ox.ac.uk/people/Boris.Motik/pubs/gm10pushing-ibq.pdf",
}