Service-oriented systems are becoming more and more nodes in a digital, dynamic ecosystem requiring the identification and establishment of flexible, spontaneous collaboration act...
Pervasive computing environments offer a multitude of information services that provide potentially complex types of information. Therefore, when running access control for sensit...
Ontologies play a key role in agent communication and the emerging Semantic Web to define a vocabulary of concepts and their relationships. Different agents and web services may us...
Many information services in pervasive computing offer rich information, which is information that includes other types of information. For example, the information listed in a pe...
Today sophisticated concepts, languages and frameworks exist, that allow implementing powerful fine grained access control systems for protecting Web Services and spatial data in ...