@InProceedings{Policy_Based_Access_Control_for_an_RDF_Store,
  author = "Pavan  Reddivari and Tim  Finin and Anupam  Joshi",
  title = "{Policy-Based Access Control for an RDF Store}",
  month = "January",
  year = "2007",
  booktitle = "Proceedings of the IJCAI-07 Workshop on Semantic Web for Collaborative Knowledge Acquisition",
}