@misc{516, author = {David Ferraiolo and Serban Gavrila and Wayne Jansen}, title = {Policy Machine: Features, Architecture, and Specification}, year = {2014}, month = {2014-05-31}, publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.7987}, language = {en}, }