In several distributed systems a user should only be able to access data if a user posses a certain set of credentials or attributes. Currently, the only method for enforcing such...
A virtual organization (VO) is a dynamic collection of entities (individuals, enterprises, and information resources) collaborating on some computational activity. VOs are an emer...
To increase the assurance with which agents can be deployed in operational settings, we have been developing the KAoS policy and domain services. In conjunction with Nomads strong...
Jeffrey M. Bradshaw, Andrzej Uszok, Renia Jeffers,...
The protection of personal health information has become a live issue in a number of countries including the USA, Canada, Britain and Germany. The debate has shown that there is w...
We propose a programming language, called PCML5, for building distributed applications with distributed access control. Target applications include web-based systems in which prog...