In this paper, we assess the state of the art of Quality of Services (QoS) support in wireless sensor networks (WSNs). Unlike traditional end-to-end multimedia applications, many n...
One of the major challenges facing information systems today is that of finding relevant information to satisfy a user's request and presenting it in a preferred form. The po...
In this paper, we discuss two major tradeoffs, spatial and temporal tradeoffs, that appear when applying marketbased computing to multimedia network applications. The former appea...
Mobile payment has some unique advantages over more traditional payment methods in, for example, TV shopping and mobile multimedia services. Unfortunately, most existing mobile pa...
The adoption of packet-switched technologies in mobile communication systems has enabled the provision of IPbased services to mobile users. Yet, these systems, such as the UMTS net...
Vaggelis Nikas, Georgios V. Lioudakis, Nikolaos L....