In this paper, a Role-based Access Control (RBAC) model is applied and extended to a multimedia version called Multi-Role Based Access Control (MRBAC), which can fully support the...
In computer security, many researches have tackled on the possibility of a unified model of access control, which could enforce any access control policies within a single unified...
Vincent C. Hu, D. Richard Kuhn, David F. Ferraiolo
We present a risk management framework which allows to reason about and manage risk for role based access control systems. The framework expresses essential characteristics of risk...
Today sophisticated concepts, languages and frameworks exist, that allow implementing powerful fine grained access control systems for protecting Web Services and spatial data in ...