TY - GEN AU - David F. Ferraiolo AU - Serban I. Gavrila AU - Wayne Jansen AU - Paul E. Stutzman C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2015-10-01 04:10:00 DO - https://doi.org/10.6028/NIST.IR.7987r1 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2015 TI - Policy Machine: Features, Architecture, and Specification: ER -