We consider the Outsourced Aggregation model, where sensing services outsource their sensor data collection and aggregation tasks to third-party service providers called aggregato...
—The advent of distributed and ad-hoc-connected systems such as in Ambient Intelligence applications confronts developers with the question on how to specify QoS- and security po...
The NuBric behaviour control framework (BCF) is a near-real-time framework written entirely in Java based on the paradigms of both role based access control (RBAC) and policy base...
This paper presents a novel framework for the generic construction of hybrid encryption schemes which produces more efficient schemes than the ones known before. A previous framew...
We present a cryptographic framework to achieve access control, privacy of social relations, secrecy of resources, and anonymity of users in social networks. The main idea is to u...