act The strategic use of technology based information systems (IS/IT) is a fundamental issue for every business. This is particularly true in the case of firms that engage in inter...
A wide variety of interactions on the Internet are characterized by the availability of cheap pseudonyms, where users can obtain new identities freely or at a low cost. Due to the...
One of the central problems in video transmission over lossy channels is the choice of source and channel coding rates to allocate the available transmission rate optimally. In th...
In this work we study energy efficient routing strategies for wireless ad-hoc networks. In this kind of networks, energy is a scarce resource and its conservation and efficient us...
Panagiotis C. Kokkinos, Christos A. Papageorgiou, ...
The REDEEM authoring tool allows teachers to create adapted learning environments for their students from existing material. Previous evaluations have shown that under experimental...