@InProceedings{Policy_Based_Access_Control_for_an_RDF_Store, author = "Pavan Reddivari, 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", }