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函数依赖推理控制的方法 被引量:2

A Method of Functional Dependencies Inference Control
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摘要 文章研究了在多级安全数据库系统中由于函数依赖(FD)引起的推理问题,分析了Su和Ozsoyolu提出的CLA算法存在的问题,在此基础上,提出了一个递归的最小信息丢失分层密级调整算法,并分析了算法的时间复杂度。 This paper investigates the inference problems due to functional dependencies(FD)in the multilevel secure relational database,analyzes the faults of CLA algorithm presented by Su and Ozsoyolu,then gives a recursive classification level adjustment algorithm with minimum information loss.Finally,it analyzes the time complexity of the algorithm.
出处 《计算机工程与应用》 CSCD 北大核心 2003年第24期184-186,共3页 Computer Engineering and Applications
基金 国家高技术研究发展计划(863计划)信息安全技术主题多级安全数据库管理系统技术研究(编号:2002AA144080)
关键词 多级安全数据库系统 MLS—DBS 推理危害 函数依赖 最小信息丢失 MLS-DBS,Inference compromise,Functional dependencies,Minimum information loss
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参考文献3

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同被引文献14

  • 1毛奇正,柏文阳,刘奇志.元数据相关推理研究[J].计算机科学,2004,31(11):86-88. 被引量:2
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