An approach to deriving global authorizations in federated database systems

被引：0
|
作者：
Castano, S [1 ]
机构：
[1] UNIV MILAN,DIPARTIMENTO SCI INFORMAZ,MILAN,ITALY
来源：
DATABASE SECURITY VOLUME X - STATUS AND PROSPECTS | 1997年
关键词：
federated database systems; discretionary access control; authorization compatibility; authorization abstraction;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Global authorizations in federated database systems can be derived from local authorizations exported by component databases. This paper addresses problems related to the development of techniques for the analysis of local authorizations and for the construction of global authorizations where semantic correspondences between subjects in different component databases are identified on the basis of authorization compatibility. Abstraction of compatible authorizations is discussed to semi-automatically derive global authorizations that are consistent with the local ones.
引用
收藏
页码：58 / 75
页数：18
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