Interactive access control allows a server to compute and communicate on the fly the missing credentials to a client and to adapt its responses on the basis of presented and decli...
A novel component-based, service-oriented framework for distributed metacomputing is described. Adopting a provider-centric view of resource sharing, this project emphasizes light...
Collaborative systems provide a rich but potentially chaotic environment for their users. This paper presents a system that allows users to control collaboration by enacting polic...
Privacy refers to controlling the dissemination and use of personal data, including information that is knowingly disclosed, as well as data that are unintentionally revealed as a ...
Information dissemination is of vital importance in today's information-centric world. However, controlling the flow of information across multiple security domains is a probl...