In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
Creating Internet services for a specific auditorium involves technical, organizational and sociological challenges to developers, processes and used technologies. Authoring and d...
Common to Grid services, Web Services, software agents and software components is that they are independently built and provide services aimed for composition. A key issue is wheth...
The presented dynamic Grid service architecture provides a novel and comfortable access for scientific software developers and users without prior knowledge of Grid technologies o...
Alexander Frank, Rainer Stotzka, Thomas Jejkal, Vo...
Software systems today often run in malicious environments in which attacks or intrusions are quite common. This situation has brought security concerns into the development of so...