3[4]Graeme C,Graham C.Data Modeling Essentials.Third Edition[M].[S.I.] Morgan Kaufmann publications,2005:25-43. 被引量：1
4Ravi Sandhu , Vankata Bhamidipati. An oracle implementation of the PRA97 model for permission role assignment[C].Third ACM Workshop on RBAC,1998.13-21. 被引量：1
5Andreas Schaad,Jonathan Moffett , Jeremy Jacob.The rolebased access control system of a European bank[C].Sixth ACM workshop on SACMAT,2001.3-9. 被引量：1
