And a WFMS authorization model based on role control and time constraints is constructed, and how it meets the desires of least privilege and separation of duty is discussed.
构建了一个带有时间约束的基于角色的工作流系统授权模型，分析该模型对最小权限和责任分离要求的满足情况。
Therefore, this article proposes a role-based universally privilege controlled component which has the mechanism can actively adapt to different systems.
文章提出了一个具有主动适应机制的，适用基于角色的权限控制模型的系统的通用权限组件。
Role is introduced to separate user and privilege in role-based access control model, but RBAC can't directly control the permission for a sequence of events.
而基于角色的访问控制模型以角色为中介，将用户与权限逻辑隔离，但该模型不能处理有执行顺序的任务；
This paper chooses and realizes the privilege system role-based based on the further research between discretionary access control, mandatory access control and role-based access control.
论文在对自主访问控制、强制访问控制和基于角色的访问控制的访问控制策略及机制分析、研究基础上，选择并实现了基于角色的权限管理系统。
Based on the idea of Role-Based Access Control, this paper presents a user-privilege management method using VJ, which is advantageous for its simplicity, flexibility and security.
借鉴基于角色的访问控制基本思想，结合开发实践，提出了一种用VJ实现用户权限管理的方法。
In this dissertation the integrated and privilege-role extended UNIX operating system security model, which is based on the BLP model, is discussed.
在对BLP模型进行分析的基础上，提出了以BLP模型为基础的完整性和特权角色扩展的UNIX操作系统安全模型。
Some inflammatory factors play a vital role in the collapse and restoration of immune privilege.
其中一些炎症因子在免疫赦免丧失及重建过程中起到关键作用。
The concept of the operation-role set is introduced in this improved model, making it more convenient to grant privilege to roles and accommodate to people's pattern of privilege management.
该模型同时引入了操作资源关联集的概念，使得为角色授予权限的过程更方便和更符合人们的使用习惯。
The concept of the operation-role set is introduced in this improved model, making it more convenient to grant privilege to roles and accommodate to people's pattern of privilege management.
该模型同时引入了操作资源关联集的概念，使得为角色授予权限的过程更方便和更符合人们的使用习惯。
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