Accountability mechanisms, which rely on after-the-fact verification, are an attractive means to enforce authorization policies. In this paper, we describe an operational model of ...
Radha Jagadeesan, Alan Jeffrey, Corin Pitcher, Jam...
In this paper we investigate the feasibility and efficiency of mapping XML data and access control policies onto relational and native XML databases for storage and querying. We de...
Lazaros Koromilas, George Chinis, Irini Fundulaki,...
Emerging models for context-aware role-based access control pose challenging requirements over policy administration. In this paper we address the issues raised by the decentraliz...
Maria Luisa Damiani, Claudio Silvestri, Elisa Bert...
This paper defines a framework in which one can formalize a variety of authorization and policy issues that arise in access control of shared computing resources. Instantiations ...
Stefan Schwoon, Somesh Jha, Thomas W. Reps, Stuart...
In this article, we describe a new architecture providing the access control service in both ATM and IPover-ATM networks. This architecture is based on agents distributed in netwo...