A Grid system is a Virtual Organization that is composed of several autonomous domains. Authorization in such a system needs to be flexible and scalable to support multiple securi...
Bo Lang, Ian T. Foster, Frank Siebenlist, Rachana ...
We propose an approach that takes as input a task model, which includes the user's view of the interactive system, and automatically discovers a set of categorized and ranked...
Authorization policy infrastructures are evolving with the complex environments that they support. However, the requirements and technologies supporting context are not yet well u...
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...
Access control is a crucial concern to build secure IT systems and, more specifically, to protect the confidentiality of information. However, access control is necessary, but not ...