We present a model of access control which provides fine-grained data-dependent control, can express permissions about permissions, can express delegation, and can describe syste...
Dimitar P. Guelev, Mark Ryan, Pierre-Yves Schobben...
Grid computing is a new paradigm that enables the distributed coordination of resources and services which are geographically dispersed, span multiple trust domains and are hetero...
Sergio Andreozzi, Augusto Ciuffoletti, Antonia Ghi...
Several works on grid computing have been proposed in the last years. However, most of them, including available software, can not deal properly with some issues related to contro...
Abstract. A large number of MPI implementations are currently available, each of which emphasize different aspects of high-performance computing or are intended to solve a speci...
Edgar Gabriel, Graham E. Fagg, George Bosilca, Tha...
Abstract. We present a new parsing framework for the line-based geometric analysis of a single image coming from a man-made environment. This parsing framework models the scene as ...