@conference{771226,
  author = {Vincent Hu and Evan Martin and Tao Xie},
  title = {Conformance Checking of Access Control Policies Specified in XACML},
  year = {2007},
  month = {2007-07-24 00:07:00},
  publisher = {First IEEE International Workshop on Security in Software Engineering (IWSSE), , USA},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=51160},
  language = {en},
}