Abstract. In this paper, we define a model-driven design trajectory for contextaware services consisting of three levels of models with different degrees of ion and platform indepe...
Web Services (WSs) are a new breed of web application that have brought out quite challenging research issues. One of these is the establishment of an interoperable semantic frame...
Dimitrios T. Tsesmetzis, Ioanna Roussaki, Ioannis ...
In this paper, we present an Open Grid Services Architecture (OGSA)-based decentralized allocation enforcement system, developed with an emphasis on a consistent data model and ea...
New biomedical technologies need to be integrated for research on complex diseases. It is necessary to combine and analyze information coming from different sources: genetic-molecu...
Anonymity is considered as a valuable property as far as everyday transactions in the Internet are concerned. Users care about their privacy and they seek for new ways to keep sec...
Elias Athanasopoulos, Mema Roussopoulos, Kostas G....