共 6 条
[5]
The specification and enforcement of authorization constraints in workflow management systems[J] . Elisa Bertino,Elena Ferrari,Vijay Atluri.ACM Transactions on Information and System Security (TISSEC) . 1999 (1)
[6]
On the Formal Definition of Separation of Duty Policies and Their Composition. Gligor,V,S.I Gavrilla,and D.F.Ferraiolo. Proceedings IEEE Symposium on Security and Privacy . 1998