它可提供多级安全功能和个性化技术。
It can apply various levels of security features and personalization technologies.
为了保护患者隐私，PODS的设计采用一个多级安全模型。
To safeguard patient privacy, the PODS design USES a multilevel security model.
模型以多级安全策略为基础，以全面增强主机安全。
This model based on the multilevel security policy, to increase host security in every aspects.
对多级安全XML文档的元素删除操作进行了研究。
This paper focuses on the REMOVE operation of multilevel XML under the constraint of the hierarchy and the integrity.
标记是实现多级安全系统的基础，实施强制访问控制的前提。
Labels are the foundation for implementing multilevel systems and the prerequisite of enforcing mandatory access control in secure systems.
提出了一种基于多级安全数据库管理系统的通用审计策略模型。
This paper proposes a generic audit policy model on multilevel secure DBMS.
论文基于以上问题的解决，实现和研究的是一个多级安全防护系统。
In this paper based on the solution of that problem, a multilevel defense system is researched and implemented.
结果表明，本文提出的多级安全网络满足多级安全网络的功能需求。
The results show that, the multilevel security network this paper trussed satisfy what the multilevel security need.
本文的工作为以后多级安全网络的进一步深入研究打下了良好的基础。
The research of this thesis will be a good help for further study in the field of multilevel security network.
因此多级安全网络的概念是一个新的领域，在这方面的研究才刚刚起步。
So a concept of multilevel security networks is still a new area, and the study in this field is just starting.
把信任机制与多级安全模型相结合，提出了一种信任动态多级安全模型。
The paper proposes a dynamic multilevel security model based on belief, which integrates the belief mechanism and multilevel security model.
本文重点研究了多级安全环境下，利用约束处理来实现查询处理的方法。
We focus on the research of query modification by applying security constraints.
多级安全查询处理器必须保证用户的查询不违反数据库系统安全性的要求。
It supports querying by security level and must ensure that user's querying will not violate the security requirements of database.
一个多级安全实时数据库系统不仅需要有安全限制，同时也要有时间约束。
A multilevel real-time database system must have security constrains in addition to timing constrains.
采用消息过滤算法可以在支持对象模型的多级安全系统中实现强制访问控制。
Message filter algorithms can implement mandatory access control in the multilevel secure systems with an object oriented model.
多级安全数据库的安全策略需要各种模型来表达，访问控制模型是其中之一。
Security policy of multilevel security DBMS is expressed by many models. One of them is access control model.
多级安全查询处理器是多级安全数据库的核心部分，它提供对安全级查询的支持。
The distributed data query is the core of the distributed database managing system, but the optimized query algorithm is the key technology in query processing.
随着多级安全数据库研究和实际应用的深入，对多级安全数据模型提出了新的要求。
With the progresses of research and application of Multilevel Secure database, new requirements of Multilevel Secure Models are presented.
多级安全能实施强制性访问控制，从而杜绝信息通道的产生，有效地阻止信息的非法泄露。
Multilevel security requires additional mechanisms for enforcing mandatory access control that prevents the establishment of a signaling channel and prevents unauthorized disclosure of information.
安全数据库的理论研究主要集中在多级安全数据库、访问控制、数据库加密与推理通道控制等领域。
The theoretical research of the dependable database concentrates on the multi-layer safe database, access controlling, database encoding, channel control and so on.
本文提出了将多级安全数据库映射成为多个数据库，各个用户在其信赖的数据库上进行操作的思想。
In this paper, The idea of mapping multilevel secure database into several databases, and each subject operates on database trusted by himself is introduced.
本文对众多经典的多级安全数据库模型进行分析总结，详细比较了其优缺点和不同语义下模型的可用性。
This paper analyzes and summarizes many classical multilevel security database models, comparing their advantages and disadvantages in detail as well as the availability under different semantics.
介绍了多级安全数据库的完整性与保密性，展示了多级模型，从深度和广度探讨了数据库的多级安全问题。
The features of multilevel security of database, such as its integrity, security and serviceability, are analysed both in depth and in width by way of a multilevel security model illustration.
提出了多级安全rdbms的一种安全策略，对策略中的自主安全、多级安全和最小特权原则进行了详细的叙述。
A security policy for multilevel security, RDBMS, is proposed together with a detailed description of the discretionary security, multilevel security and the principle of least privilege.
尝试从一个新的角度——数据紧凑度对数据模型进行分析和比较，对于多级安全数据模型的改进和实现具有一定的指导意义。
In this paper, we attempt from a new view-Data Compact Ratio, to analyze and compare the data model, which is instructive for the improvement and realization of Multilevel Secure Data Model.
它包括构建在FluxAdvancedSecurityKernel (Flask)安全架构之上的强制访问控制，后者包括以插件模块形式提供的类型强制和多级安全(MLS)。
It includes mandatory access control built on top of the Flux Advanced security Kernel (Flask) security architecture, including type enforcement and multilevel security (MLS), all as plug-in modules.
使用多级撤消可以安全地尝试各种假设分析方案。
With Multiple Level Undo you can safely experiment with various what-if scenarios.
该模型方便了管理员的权限管理，适合用户较多，安全层次比较复杂的多级关系数据库系统。
The integrated model can simplify administration of privileges, and is appropriate for multilevel relation database system which has many users or complex security levels.
作者就此诸多问题，基于离散对数这一数学难题，提出了一种安全的多级代理签名方案。
To solve all these problems, a more secure multiple grade proxy signature scheme is proposed in this paper based on the study of a difficult mathematical concept, the discrete logarithm.
用虚拟专用网和多级用户权限认证技术保证抽油井数据网络传输的安全性。
Besides, Virtual Private network (VPN) and authority authentication technique are used to ensure the safety of network transmission.
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