Authenticated dictionaries allow users to send lookup requests to an untrusted server and get authenticated answers. Persistent authenticated dictionaries (PADs) add queries agains...
User adaptive systems in the context of pervasive computing can only unveil their power if based on a generic middleware managing private data and context information in combinati...
In this paper, we describe the challenges in using Personal Identity Verification (PIV) cards and PIV-like cards as federated identities to authenticate to US Federal government f...
Abstract—Vocabulary alignment is a main challenge in distributed access control as peers should understand each other’s policies unambiguously. Ontologies enable mutual underst...
Daniel Trivellato, Fred Spiessens, Nicola Zannone,...
The paper addresses the purposes and design decisions produced while developing a peer-to-peer virtual world platform. The work is being done within the FP7 VirtualLife project. Th...