1. Access control: policies, models, and mechanisms;Samarati,2001
2. A compositional framework for access control policies enforcement;Siewe,2003
3. Edit automata: enforcement mechanisms for run-time security policies;Ligatti;Int. J. Inf. Secur.,2005
4. The ponder policy specification language;Damianou,2001
5. Proposed NIST standard for role-based access control;Ferraiolo;ACM Trans. Inf. Syst. Secur.,2001