Web Services technology enables organisations to exploit software as a service. Services are accessed by method invocations. Method interfaces are described and published, and may...
We describe the design and implementation of a trust-management system Soutei, a dialect of Binder, for access control in distributed systems. Soutei policies and credentials are w...
The PolicyUpdater1 system is a fully-implemented access control system that provides policy evaluations as well as dynamic policy updates. These functions are achieved by the use o...
Business process describes a set of services that span enterprise boundaries and are provided by enterprises that see each other as partners. Web services is widely accepted and a...
The management and maintenance of a large number of Web services is not easy and, in particular, needs appropriate authorization policies to be defined so as to realize reliable an...