The PolicyUpdater1 system is a fully-implemented access control system that provides policy evaluations as well as dynamic policy updates. These functions are achieved by the use o...
Abstract. We propose an access control scheme for developing authorization rules for XML documents, allowing flexible data granularity and authorization propagation. To simplify t...
Abstract. Access control policies are security policies that govern access to resources. Real-time update of access control policies, that is, updating policies while they are in e...
We present a refined model for Role Based Access Control policies and define a risk measure for the model, which expresses elements of the operational, combinatorial and conflict ...
Benjamin Aziz, Simon N. Foley, John Herbert, Garre...
Access control is one of the most fundamental and widely used security mechanisms. Access control mechanisms control which principals such as users or processes have access to whi...
Vincent C. Hu, Evan Martin, JeeHyun Hwang, Tao Xie