Many design models and representations have been proposed to support user-centered system design, such as scenarios, use cases, and prototypes. With these artifacts, designers typ...
In this paper, we consider a new visual cryptography scheme that allows for sharing of multiple secret images on graphs: we are given an arbitrary graph (V, E) where every node an...
Motivated by emerging cooperative P2P applications we study new uplink allocation algorithms for substituting the ratebased choke/unchoke algorithm of BitTorrent which was develop...
Nikolaos Laoutaris, Damiano Carra, Pietro Michiard...
The health sector uses clinical guidelines as instruments for helping decision making. We are interested in the development of a ubiquitous decision support system (UDSS) for clini...
Grid technology offers numerous opportunities for the players involved. Despite the fact that the academic community has already exploited many of them, there is an evident relucta...
George A. Thanos, Costas Courcoubetis, George D. S...