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In this paper, it is proposed the improved RBAC model based on traditional RBAC. The improved RBAC model adds restrictions on the role assignment for the user and introduces user group, it improves the system security and flexibility, reducing the complexity of the permission assignment. The improved RBAC model can be easily applied to other information systems, now it has practical significance in...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.