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Towards administration of a hybrid role hierarchy - IEEE ...
Efficient techniques are needed to administer such hierarchies to support the development of high performance access control systems. In this paper, we present two approaches to implementing a hybrid role hierarchy in the context of the GTRBAC model and analyze and compare their complexities....
 Role-based access control
•Role– job function within the context of an organization ... Role-based Access Control Models. 8 IEEE Computer, 29(2):38--47, February 1996. 5 RBAC RBAC3 consolidated modelconsolidated model RBAC1 role hierarchy RBAC2 constraints 9 RBAC0 base model RBAC0 U Users R Roles P Permissions. S ....
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