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推理通道
相关语句
  inference channel
     Inference Channel Analysis Model in Relational Database System
     基于关系数据库的推理通道分析模型
短句来源
     The method of inference channel detection and two phases control strategy were studied.
     研究了推理通道的检测方法和两阶段的推理控制策略.
短句来源
     We first introduce in this paper the difference among Operation System Security, Network Security, and Database Security and then discuss three main areas for research in Database Security, that is, Semantics for Secure Database, Controlling Inference Channel, and Secure Data Model.
     文中首先介绍了数据库安全与操作系统安全、网络安全的不同点,然后讨论了当前数据库安全研究的几个领域,即安全数据库的语义、推理通道控制和安全的数据模型。
短句来源
     We analyze the problem of inference channel and give solution to solve the problem during database analysis and design period.
     讨论了推理通道问题,给出了在数据库分析、设计等阶段可以采用的对策;
短句来源
     Second, discussing the detecting and eliminating of inference channel, different channel detecting methord are provided according to static, dynamic and compositional channel, and a new algorithm of eliminating the inference channel by promoting security was presented.
     其次探讨推理通道的检测和排除问题,针对静态、动态推理通道和复合通道分别给出了不同的通道检测方法,并提出一种通过提高输入安全密级来消除推理通道的算法;
短句来源
更多       
  inference channels
     Dynamic Elimination of Inference Channels in the Database Based on Rough Set Theory
     基于Rough集理论的数据库推理通道动态消除
短句来源
     The Detection and Removal of Inference Channels and Covert Channels
     推理通道和隐蔽通道的检测与消除
短句来源
     First of all we introduce the concept of the secure database and classification of the secure database, then we introduce the concept and research current situation of the inference channels in multilevel secure database. We describe some methods to detect and eliminate inference channels.
     本文首先介绍了安全数据库的概念和安全数据库的分级,然后介绍了推理通道的概念以及多级安全数据库中推理通道的研究现状,并且描述了一些检测和消除推理通道的方法。
短句来源
     According to these relations, rules of inference control are generated and us ed to modify the data queried by generic users dynamically and most parsimonious ly so as to eliminate inference channels.
     利用这些规则对数据库系统返回给普通用户的数据动态地做最小修改,防止推理通道的产生。
短句来源
     Privacy protection technique of database based on inference control is studied. Common inference channels are analyzed and several mechanisms of inference control are induced. An example is given to explain the application of inference control to privacy protection.
     文章综述了基于推理控制的数据库隐私保护技术,分析了常见的数据库推理通道,归纳了推理控制的常用方法,举例说明了推理控制在隐私保护中的应用,展望了数据库推理控制与隐私保护技术研究的发展方向.
短句来源
  “推理通道”译为未确定词的双语例句
     Compared with other methods,the main advantages lie in that it doesn't need the knowledge of SSO (System Security Officer) and can use the current available data mining tools to monitor the database in time.
     在总结已有的研究成果的基础上,利用数据挖掘技术中粗糙集(rough set)理论提出了一种对推理风险进行分析的量化方法,优点是不依赖于系统安全员的知识、能够处理确定性的和非确定性的推理通道的,利用相应工具,能够在数据库运行期间对推理风险进行监督。
短句来源
     The theoretical research of the dependable database concentrates on the multi-layer safe database , access controlling, database encoding , channel control and so on .
     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。
短句来源
     This article proposes a syntax - based inferencechannel analysis model. By analysizing the source code, this model can precisely find the possible security flaws in system.
     本文提出了一个基于语法的推理通道的分析模型,该模型通过对代码进行分析,能够准确找出系统可能存在的安全漏洞。
短句来源
     Moreover, an inference quantized analysis scheme of multi-lev- el security database system based on rough set and an example are presented.
     利用粗糙集理论提出了一种对推理风险进行量化的方法,它不依赖系统安全员的知识,能够处理确定性和非确定性的推理通道; 并给出了一个分析例子。
短句来源
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  inference channel
A portion of an inference channel in the Bayesian network from the example.
      
For most distributions it is difficult to analytically evaluate the impact of a classifier on creating an inference channel.
      
The farther node influences the security node through the inference channel which includes the closer node.
      
  inference channels
Available Bayesian network tool can then be used for evaluating the inference probability along the inference channels.
      
As a result, the SIG represents all the instance-level inference channels in the SIM.
      
As a result, there are many feasible inference channels that can be formed via linking the set of dependent attributes.
      
Collaborative inference is related to the collaboration level as well as the inference channels of the user-posed queries.
      
For a given query, the SIG provides inference channels for inferring sensitive information.
      
更多          


There are many aspects to have been desired on research in Database Security, at the same time, products of database with security properties we can see now do not meet the need. We first introduce in this paper the difference among Operation System Security, Network Security, and Database Security and then discuss three main areas for research in Database Security, that is, Semantics for Secure Database, Controlling Inference Channel, and Secure Data Model. Finally, the open problems on research in Dat abase...

There are many aspects to have been desired on research in Database Security, at the same time, products of database with security properties we can see now do not meet the need. We first introduce in this paper the difference among Operation System Security, Network Security, and Database Security and then discuss three main areas for research in Database Security, that is, Semantics for Secure Database, Controlling Inference Channel, and Secure Data Model. Finally, the open problems on research in Dat abase Security are discussed.

虽然经过了多年的努力,但数据库安全的理论研究和具有安全特性的数据库产品仍然不能令人满意。文中首先介绍了数据库安全与操作系统安全、网络安全的不同点,然后讨论了当前数据库安全研究的几个领域,即安全数据库的语义、推理通道控制和安全的数据模型。最后提出了数据库安全研究应当解决的几个问题。

In a secure distributed database system, information inconsistency often exists, thus gives rise to inference channel. This article proposes a syntax - based inferencechannel analysis model. By analysizing the source code, this model can precisely find the possible security flaws in system.

安全分布式数据库系统中,常会出现信息不一致现象,由此产生推理通道。本文提出了一个基于语法的推理通道的分析模型,该模型通过对代码进行分析,能够准确找出系统可能存在的安全漏洞。

The conception of multilevel security (MLS) is commonly used in the study of data model for secure database. But there are some limitations in the basic MLS model, such as inference channels. The availability and data integrity of the system are seriously constrained by it′s "No Read Up, No Write Down" property in the basic MLS model. In order to eliminate the covert channels, the polyinstantiation and the cover story are used in the new data model. The read and write rules have been redefined for improving...

The conception of multilevel security (MLS) is commonly used in the study of data model for secure database. But there are some limitations in the basic MLS model, such as inference channels. The availability and data integrity of the system are seriously constrained by it′s "No Read Up, No Write Down" property in the basic MLS model. In order to eliminate the covert channels, the polyinstantiation and the cover story are used in the new data model. The read and write rules have been redefined for improving the agility and usability of the system based on the MLS model. All the methods in the improved data model make the system more secure, agile and usable.

讨论了基本的多级安全模型存在的主要缺陷 ,如推理通道问题。系统的可用性、灵活性受到严格的“向下读 ,向上写”规则的限制问题 ,不能保证数据完整性。通过引入多实例和伪元组 ,并重新定义读写规则 ,使改进后的模型更具安全性、灵活性和可用性。

 
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