If the model of free-form queries, which has proved successful for HTML based search on the Web, is made available for Grid services, it will serve as a powerful tool for scientis...
Web search engines consistently collect information about users interaction with the system: they record the query they issued, the URL of presented and selected documents along w...
Visualization for software understanding requires that the user be able to define specific visualizations that are specialized to the particular understanding task at hand. In t...
By shifting the burden of proofs to the user, a proof-carrying authorization (PCA) system can automatically enforce complex access control policies. Unfortunately, managing those p...
GURU is a distance-learning environment that renders multimedia information to users with disabilities in an accessible manner. It is an implementation framework developed as part...