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介绍与分析XACML,指出XACMLRBAC框架的一些缺陷与不足,并对其进行扩充,使其能够支持RBAC的限制。
Introducing and analyzing XACML, pointing out some of the deficiencies and shortcomings of the XACMLRBAC framework and extending it to enable it to support RBAC constraints.