]> 2012-05-28T00:27:59-04:00 Alvaro Semantic Policies 2009-02-03T00:00:00 Specifying and enforcing high-level semantic obligation policies Url Title of paper Alvaro Graves Speaker A Riabov A Ranganathan Z Liu Paper has author CSCI 6965 Advanced Semantic Web (Spring 2009) Given at Date Presentation A Paper Presentation