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一种DBMS时态授权机制研究

A Temporal Authorization Mechanism for DBMS
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摘要 通过整数限制域的方式引入时态限制域并提出一种基于DBMS的时态授权逻辑模型.该模型基于分层的限制Datalog/ ,c,并通过时态限制规则保持限制域的求反闭包性,通过授权阻塞规则解决正负授权冲突,因而具有逻辑上的一致性和可行性,能满足DBMS中各类时态授权的需要.最后对授权程序的可评价(evaluation)性、实现算法及其应用做了说明.
作者 钟勇 秦小麟 林冬梅
机构地区 佛山科学技术学院信息与教育技术中心 南京航空航天大学信息科学与技术学院
出处 《计算机研究与发展》 EI CSCD 北大核心 2006年第z3期228-232,共5页 Journal of Computer Research and Development
基金 航空科学基金项目(02F52033) 江苏省高技术基金项目(BG2004-005)
关键词 时态授权 访问控制 数据库安全
分类号 TP309.12 [自动化与计算机技术—计算机系统结构]
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参考文献7

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  • 5钟勇,秦小麟.基于时态的多级数据访问控制方法[J].系统工程与电子技术,2005,27(3):516-520. 被引量：1
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计算机研究与发展
2006年 第z3期

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