Over the last few years several process-based web service composition languages have emerged, such as BPEL4WS and BPML. These languages define the composition on the basis of a pr...
As more information becomes available on the World Wide Web, it has become an acute problem to provide effective search tools for information access. Previous generations of search...
With the increasing importance of search systems on the web, there is a continuing push to design interfaces which are a better match with the kinds of real-world tasks in which u...
In recent years, gossip-based algorithms have gained prominence as a methodology for designing robust and scalable communication schemes in large distributed systems. The premise ...
Policy enforcement is an integral part of many applications. Policies are often used to control access to sensitive information. Current policy specification languages give users ...