The traditional RBAC model cannot express complicated workflow secure access control constraint.
传统的RBAC访问控制模型已经不能表达复杂的工作流安全访问控制约束。
The current secure access control techniques in IP multicast just implemented the access control to multicast receivers.
目前针对IP组播的安全访问控制问题的解决方案只是实现了对组播接收者的访问控制。
This paper analyzes how to realize secure access control for XML documents using RBAC from aspects of role, role hierarchy, authorization, etc.
文中从角色、角色继承、授权等方面分析了如何利用RBAC实现对XML文档的安全访问控制。
With the application of information technology in wind power generation, secure access control of SCADA system for wind power farm becomes more and more important.
随着信息技术在风力发电中的应用，风电场SCADA系统的安全访问控制变得越来越重要。
Due to complexity of modeling workflow and problems of secure access control, a method that makes a workflow model by setting up task nodes, route nodes and their dependency is brought forward.
针对工作流建模的复杂性和模型的安全存取控制问题，提出一种通过建立任务节点和路由节点及其依赖关系来创建工作流模型的方法。
This paper proposed a simple and secure access control mechanism that can effectively control mobile agents updating and creating ability in native host.
本文提出了一个简单安全的存取控制机制，可以有效地控制移动代理在本地主机的更新及创建权限。
Secure access control for services using policies is also provided.
还提供了通过策略实现的服务安全访问控制。
At last, based on attribute certificate, a model is constructed to solve the authorization and access-control problem, to realize secure access-control in the electronic government.
最后使用此策略构造了一个基于属性证书的授权和访问控制模型，能够灵活方便地实现电子政务中的安全访问控制。
At last, based on attribute certificate, a model is constructed to solve the authorization and access-control problem, to realize secure access-control in the electronic government.
最后使用此策略构造了一个基于属性证书的授权和访问控制模型，能够灵活方便地实现电子政务中的安全访问控制。
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