In this paper we present PAMINA (Privilege Administration and Management INfrAstructure), a privilege management system using authorization certificates. Our system supports distr...
Ubiquitous computing systems can be regarded as open systems where heterogeneous and previously unknown entities may spontaneously interact, due to intrinsic mobility of users and...
—Access control models describe frameworks that dictate how subjects (e.g. users) access resources. In the Role-Based Access Control (RBAC) model access to resources is based on ...
Ana Ferreira, David W. Chadwick, Pedro Farinha, Ri...
In this paper, we present a multi-agent system MAGS for the e-business processes monitoring in a web-based environment. We classify the types of agents in MAGS by their monitoring...
Community decisions about access control in virtual communities are non-monotonic in nature. This means that they cannot be expressed in current, monotonic trust management langua...
Marcin Czenko, Ha Tran, Jeroen Doumen, Sandro Etal...