Abstract. Canetti and Rabin recently proposed a universally composable ideal functionality FSIG for digital signatures. We show that this functionality cannot be securely realized ...
Abstract. In this paper we present the architecture of an Adaptive Educational Hypermedia System, named INSPIRE. This particular system, throughout its interaction with the learner...
Kyparisia A. Papanikolaou, Maria Grigoriadou, Harr...
Abstract. The paper presents several analyses to detect non-deterministic expressions in the parallel-functional language Eden. First, the need for the analysis is motivated, and t...
Abstract. We study the link between formal and cryptographic models for security protocols in the presence of passive and adaptive adversaries. We first describe the seminal resul...
Abstract. This paper presents a quantitative evaluation of the accuracy of different sphere-tree construction methods when they are used in deformable bodies. The methods evaluate...