—The use of the Internet for VoIP communications has seen an important increase over the last few years, with the Session Initiation Protocol (SIP) as the most popular protocol u...
The games with a purpose paradigm proposed by Luis von Ahn [9] is a new approach for game design where useful but boring tasks, like labeling a random image found in the web, are ...
Sebastian Matyas, Christian Matyas, Christoph Schl...
We present the design and implementation of the Janus1 architecture for providing flexible and lightweight access to sensor network resources from Internet-type networks. Janus p...
In peer-to-peer (P2P) systems, a receiver needs to be matched with multiple senders, because peers have limited capacity and reliability. Efficient peer matching can reduce the co...
The rapid expansion of Internet based services has created opportunities for ICT firms to collect and use, in an unauthorized way, information about individuals (e.g. customers, pa...
Athanassios N. Yannacopoulos, Costas Lambrinoudaki...