Abstract. In this paper we investigate the design space of access control logics. Specifically, we consider several possible axioms for the common operator says. Some of the axioms...
In this paper we present PAMINA (Privilege Administration and Management INfrAstructure), a privilege management system using authorization certificates. Our system supports distr...
Authorization infrastructures manage privileges and render access control decisions, allowing applications to adjust their behavior according to the privileges allocated to users....
David W. Chadwick, Gansen Zhao, Sassa Otenko, Roma...
Simplifying access to and usage of large scale compute resources via the Grid is of critical importance to encourage the uptake of e-Research. Security is one aspect that needs to...
J. P. Watt, Oluwafemi Ajayi, Jipu Jiang, Jos Koets...
Mashups have emerged as a Web 2.0 phenomenon, connecting disjoint applications together to provide unified services. However, scalable access control for mashups is difficult. T...
Ragib Hasan, Marianne Winslett, Richard M. Conlan,...