Administrative scope: A foundation for role-based administrative models.

Jason Crampton George Loizou Administrative scope: A foundation for role-based administrative models. 201-231 2003 6 ACM Trans. Inf. Syst. Secur. 2 http://doi.acm.org/10.1145/762476.762478 db/journals/tissec/tissec6.html#CramptonL03