在RBAC为基础上提出了工作流访问控制模型obac。
Based on RBAC a workflow access control model-OBAC is advanced in the paper.
为了直观和准确地描述工作流访问控制，提出了一个基于图的工作流访问控制模型。
To provide a direct and precise description for workflow access control, an access control model for workflow systems was developed based on graph and graph transformation.
RBAC在工作流访问控制的应用中很难合理地为角色配置权限，而且无法表达复杂的工作流访问控制约束。
RBAC is rather difficult to assign permissions to roles reasonably and is unable to express constraint in complicated workflow access control.
架构师需要涉及许多问题，从安全性、访问控制和服务水平协议，直到业务工作流、事件处理、信息管理和业务规则。
The architecture needs to cover a range of directives from security, access control, and service level agreements to business workflow, event processing, and information management and business rules.
本文借助示例演示了权限集合和访问控制列表，并授权给 CM实体，如用户、用户组、项目类型、项目、工作流等。
With the help of examples, this article highlights privilege sets and Access Control Lists (ACLs) to be granted to CM entities like users, usergroups, itemtype, item, workflow, and so on.
工作流技术广泛应用于电子政务系统中，但工作流系统中的访问控制问题却没有引起足够重视和得到有效解决。
Workflow technology is widely applied in e-government systems, but the access control problems in workflow system are still not received enough recognitions and not effectively resolved.
访问控制机制是分布式工作流系统安全策略中的核心内容。
Access control mechanism is an increasingly important content in security policy of distributed workflow management system.
访问控制模型与技术的研究是工作流系统安全机制的核心，也是信息安全领域的一个热点问题。
The research of access control model and technology has become the focus of the security mechanism and the emphasis of information security area.
应用OBAC可以更容易地管理和实现工作流的访问控制，模型更贴近于生产业务。
The paper gives a conclusion that it is easier to manage and realize workflow access control by OBAC.
本论文对工作流系统访问控制技术进行了较深入的研究。
In this paper, many research works have been done on the traditional access control technologies in workflow - management system.
本文将角色的概念加入进来，讨论了基于角色的工作流状态的动态访问控制，并对其模型进行了形式化描述和分析。
This paper proposes the role concept, discusses the dynamic access control of role-based workflow status, and describes and analyses the formal model.
在角色的安全访问控制模型的基础上，提出了基于角色控制的安全工作流模型，使文档在工作流引擎的驱动下，在网络环境中流向正确用户。
And it presents a secure office workflow based on our designed secure access control model to make the document flow to the right figure user in network by workflow engine.
作为甲骨文提供的预定义工作流，你可以利用访问控制权限来保护你对工作流的有效的客户化升级。
As a customer of predefined workflows provided by Oracle, you can use access protection to preserve valid customizations you have made to a predefined workflow during a workflow definition upgrade.
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 traditional RBAC model cannot express complicated workflow secure access control constraint.
本文研究了工作流系统的访问控制模型及其安全性分析的方法。
The thesis is focused on the access control model for workflow systems and the security analysis of workflow systems by formal methods.
本文研究了工作流系统的访问控制模型及其安全性分析的方法。
The thesis is focused on the access control model for workflow systems and the security analysis of workflow systems by formal methods.
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