Cellular automata (CA) are highly parallel and discrete dynamical systems, whose behavior is completely specified in terms of a local relation. They were successfully applied for s...
As an important aspect of grid security, access control model gets more and more attention. Entities in virtual organizations (VOs) must establish a dynamic, secure and cooperative...
As application semantics becomes more complex and dynamic in IT systems, it is necessary to engineer the application semantics in its own lifecycle of development parallel to syste...
Roles are a powerful paradigm to develop distributed applications based on agents, especially when they are in need of interacting with other entities. An agent-oriented approach ...
Today’s software operate in a dynamic, organizational context and hence, it needs flexible architectures based in social and intentional concepts to enable software to evolve con...
Jaelson Castro, Carla T. L. L. Silva, John Mylopou...