In this paper, we develop a task-based access control model for the service of certificate to solve those secure-problems.
提出了一个数字证书营运中的基于任务的访问控制模型，解决了数字证书营运中的安全问题。
Perfect security system, Using flexible Role-Based Access Control model to build flexible Role-Based Access Control system.
完善的安全体系，采用灵活的基于角色的访问控制模型，实现灵活的访问控制体系。
Task based Access Control Model is task centered and offers dynamic authorization , so it belongs to the active security model.
基于任务的访问控制模型是一种以任务为中心，并采用动态授权的主动安全模型。
Synthesizes main models of role - based aceros control and designs a time role - based access control model which is called TRBAC model.
在基于角色访问控制的几种主要模型的基础上，提出了一种基于时间的角色访问控制模型。
The main contributions of the thesis are as follows:1. A domain administration of task-role based access control model (DATRBAC) is proposed.
论文的主要工作如下：1。提出了一种基于域管理的访问控制模型DATRBAC。
This paper analyzes the characteristics of Spacecraft Fault Diagnosis System and the basic idea and principle of Role-Based Access Control model.
文章介绍了基于角色的权限管理模型的基本思想及工作原理，并分析了航天器故障诊断系统中权限管理的特征。
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；
The paper puts forward a delegation logic based access control model (DLBAC). It translates the credentials, RBAC elements and access policies into unified delegation logic rules.
提出了一种基于委托逻辑的访问控制模型——dlbac，将凭证、RBAC元素和访问策略转化为统一的委托逻辑规则。
In this system, many new techniques are adopted, for example, mechanism of the chain of trust, role-based access control model, two-level of logs, trusted authorization and so on.
系统中采用了信任链机制、基于角色的访问控制模型、两级日志、可信认证等技术，同时给出了可信在分布式计算机系统中的实现技术和途径。
In the application of secure information systems, the traditional role-based access control model can not filter business data for users, which easily results in secret data leakage.
在安全信息系统应用中，传统的基于角色的访问控制模型不能为用户过滤业务数据，容易导致数据失密。
In this paper, we introduce the role-based access control model, analyse the role hierarchy model and the problem of private permissions in RBAC96, and point out the disadvantage of Sandhu s solution.
针对著名的 RBAC96模型的不足之处 ，结合私有权限、部门权限和权限属性变化等问题 ，对角色权限及角色层次关系进行了分析 ，提出了一个改进的角色层次化关系模型 。
Access control within the portal domain is not based on the J2EE authorization model, because it is not powerful enough to be a viable solution for the portal authorization domain.
门户域中的访问控制没有基于J2EE授权模型，因为它不够强大，不足以成为可行的门户授权域解决方案。
This article describes the programming model for Human Task Manager staff resolution, which provides access control lists for instance-based authorization.
本文描述HumanTaskManager人员解析的编程模型，前者为基于实例的授权提供访问控制列表。
Task based access control (TBAC) is an initiative security model, where task is focus of work and dynamic authorization is used.
基于任务的授权控制（TBAC）则是以任务为中心，并采用动态授权的主动安全模型。
Based on this provisional authorization model, several problems of XML access control technology are discussed in detail.
在此临时授权模型基础之上，我们详细讨论了XML访问控制的若干技术问题。
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。
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.
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。
Based on generalized framework for access control, the author has developed an application model on universal database by conceptual and extract business logics.
本文通过对业务逻辑的抽象与提取，形成了通用数据库访问控制框架及在此框架下的访问控制要素的聚类模型。
Based on the access control model, we proposed a remote access control scheme for resources using digital watermarking.
在现有的访问控制系统模型的基础上，提出了一个使用数字水印进行资源远程访问控制的方案。
A problem that child role cannot obtain private permissions because of inherited relation in the Role-Based Access Control (RBAC) model is researched.
针对基于角色的访问控制(RBAC)模型中由于继承关系产生的子角色不能拥有私有权限问题进行了研究。
To guarantee the effective protection of the ontology, a new web ontology language-based (OWL-based) model for access control is proposed.
为了实现对本体的有效保护，提出了一种基于网络本体语言的访问控制模型。
Finally, an instance of the access control model based on organization modeling is given, which is further used to verify the feasibility and effectiveness of the model.
最后给出一个基于组织建模的访问控制模型实现，并结合具体实例表明了该模型的可行性和有效性。
A new model, role access control model based on resource abstract (RD_RBAC), is proposed in the paper.
论文提出一种新的访问控制模型—基于资源抽象的角色访问控制模型(RD_RBAC)。
Then, an access control model based on organization modeling for enterprise information systems is proposed, the elements are defined and the mechanism for realizing control access is advanced.
在此基础上给出一个基于组织建模的企业级信息系统访问控制模型，定义了一组模型要素并给出了实现访问控制的机理。
This paper describes three grid access control models based on different current model.
文中将讨论三种基于不同方式的网格访问控制模型。
There exist multiple administrative domain problems based on RBAC in grid computing, the paper gives the RBAC standard extension in grid and sets up access control model in grid.
在网格计算中访问控制存在着多个管理域rBAC问题，给出了网格中的标准RBAC扩展，并以此建立了的网格访问控制模型。
In this article, we firstly analyze access control technology of current operating system. Then we discuss the three dimension access model, based on traditional access control model.
论文首先分析了现有操作系统的访问控制技术，然后在传统访问矩阵模型的基础上，讨论了三维访问矩阵模型，提出了基于程序的访问控制思想。
This paper analyzes the security mechanism of SYBASE database management system and the model of Role-based Access Control.
文章分析了SYBASE数据库管理系统的安全控制机制和基于角色的数据访问控制模型。
This paper analyzes the security mechanism of SYBASE database management system and the model of Role-based Access Control.
文章分析了SYBASE数据库管理系统的安全控制机制和基于角色的数据访问控制模型。
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