This paper presents the results related to the development of a flexible domain-based access control infrastructure for distributed Grid-based Collaborative Environments and Comple...
User delegation is a mechanism for assigning access rights available to a user to another user. A delegation operation can either be a grant or transfer operation. Delegation for r...
Abstract. Many different access control policies and models have been developed to suit a variety of goals; these include Role-Based Access Control, One-directional Information Flo...
Vincent C. Hu, Deborah A. Frincke, David F. Ferrai...
This paper presents a policy-based framework for managing access control in distributed heterogeneous systems. This framework is based on the PDP/PEP approach. The PDP (Policy Deci...
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...