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W-RBAC — A Workflow Security Model Incorporating Controlled Overriding of Constraints
2003
International Journal of Cooperative Information Systems
This paper presents a pair of role-based access control models for workflow systems, collectively known as the W-RBAC models. The first of these models, W0-RBAC is based on a framework that couples a powerful RBAC-based permission service and a workflow component with clear separation of concerns for ease of administration of authorizations. The permission service is the focus of the work, providing an expressive logic-based language for the selection of users authorized to perform workflow
doi:10.1142/s0218843003000814
fatcat:gfpcv74atzbw7g2xbpzfby4zlu