1Ferraiolo D,,Kuhn R.Role-Based access controls[].Proceedings of theth NIST-NCSC National Computer Security Conference.1992
2Coulouris G,,Dollimore J,Roberts M.Role and task-based access control in the PerDiS groupware platform[].Proceedings of the ACM Workshop on Role-Based Access Control.1998
3OASIS.Core and Hierarchical Role Based Access Control(RBAC)profile of XACML,Version2.0,Committee draft01[]..2004
4ISO/IEC10181-3:1996Security Frame-works for open systems:Access control framework.ITU-T Rec x.812[]..1995