@InProceedings{Policy_based_Access_Control_for_a_RDF_Store, author = "Pavan Reddivari, Tim Finin, and Anupam Joshi", title = "{Policy based Access Control for a RDF Store}", month = "May", year = "2005", organization = "W3C", series = "A WWW 2005 Workshop", pages = "78-83", booktitle = "Proceedings of the Policy Management for the Web Workshop", }