We propose a parallel and distributed component framework for building Grid applications, adapted to the hierarchical, highly distributed, highly heterogeneous nature of Grids. Thi...
The purpose of this paper is to first showcase the concept of an operation schema--a precise form of system-level operation specification--and secondly show how operation schemas e...
Role Based Access Control is only a subset of the security management and distributed systems management. Yet, the characteristics and use of the role objects in RBAC or Role Base...
In this paper, a signature file method for indexing document database systems is presented. For this purpose, the concept of presentative word hierarchy is introduced, based on whi...
—In this paper we study how roles can be added to patterns modelling relationships in Object Oriented programming, and which new relationship patterns can be introduced using rol...
Matteo Baldoni, Guido Boella, Leendert W. N. van d...