Peer-to-Peer (P2P) applications and services are very common in today’s computing. The popularity of the P2P paradigm prompts the need for specialized security services which ma...
: E-Science often requires access to remote Grid computing platforms. Current authorization systems on these remote systems have largely based decisions solely on the identity of t...
— Existing workflow systems attempt to achieve high performance by intelligently scheduling tasks on resources, sometimes even attempting to move the largest data files on the hi...
Privacy issues have hindered centralised authentication approaches from being adopted by a wide range of users. This also applies to authorizations which suffer from privacy probl...
Very large irregular-grid data sets are represented as tetrahedral meshes and may incur significant disk I/O access overhead in the rendering process. An effective way to allevia...