For an efficient role based access control using attribute certificate in highly distributed computing environments, we use a technique of structuring role specification certificat...
We describe a prototypical storage service through which we are addressing some of the open storage issues in wide-area distributed high-performance computing. We discuss some of t...
1 Data distribution and replication in distributed systems require special purpose middleware tools for accessing replicated data. Data Grids, special forms of a systems distribute...
As the desire of scientists to perform ever larger computations drives the size of today’s high performance computers from hundreds, to thousands, and even tens of thousands of ...
There is an exploding amount of user-generated content on the Web due to the emergence of "Web 2.0" services, such as Blogger, MySpace, Flickr, and del.icio.us. The part...
Ka Cheung Sia, Junghoo Cho, Yun Chi, Belle L. Tsen...