TACAS 2009RBAC-PAT: A Policy Analysis Tool for Role Based Access ControlMikhail I. Gofman, Ruiqi Luo, Ayla C. Solomon, Yingbin Zhang, Ping Yang, Scott D. StollerPDFDOI 10.1007/978-3-642-00768-2_4dblpBibTeXNo abstract available.