The role specification AC and role assignment AC are introduced, the role-based PMI architecture and the role-based PMI security model for E-government is discussed and researched in the paper.
论文介绍了角色规范属性证书和角色指派属性证书，讨论了基于角色的PMI体系结构，探讨了基于角色PMI的电子政务安全模型。
As a way of describing the important characteristics related to a service interaction, the formal service specification plays a key role.
作为描述与服务交互相关的重要特征的方法，形式化的服务规范在服务治理中起关键作用。
The process specification describes the roles team members can play, and the process rules that apply to each role within the several iterations.
流程规范描述团队成员所能扮演的角色，以及在多个迭代中适用于每个角色的流程规则。
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