Abstract. We describe and model a new aspect in the design of distributed information systems. We build upon a previously described problem on the microlevel, which asks how quickl...
While peer-to-peer (P2P) file-sharing is a powerful and cost-effective content distribution model, most paid-for digital-content providers (CPs) use direct download to deliver th...
Alex Sherman, Angelos Stavrou, Jason Nieh, Angelos...
We study the specification of access control policy in large-scale distributed systems. We present Cassandra, a language and system for expressing policy, and the results of a sub...
The application of software agent technology to the management of communications' infrastructures is a challenging domain as it requires management on different time scales a...
Alex L. Hayzelden, John Bigham, Stefan Poslad, Phi...
Recommender Systems allow people to find the resources they need by making use of the experiences and opinions of their nearest neighbours. Costly annotations by experts are replac...