Wireless Sensor Networks are extremely vulnerable against any kind of internal or external attacks, due to several factors such as resource-constrained nodes and lack of tamper-res...
Location-based services (LBS) constitute an emerging application domain involving spatio-temporal databases. In this paper, i) we propose a classification of LBS, depending on whet...
Kostas Gratsias, Elias Frentzos, Vasilis Delis, Ya...
There are shortcomings in using the Web to publish information which are information overload and lost in hyperspace. The aim of the research is investigating how the Semantic web,...
Security in collaborative peer groups is an active research topic. Most previous work focused on key management without addressing an important pre-requisite: admission control, i...
The Internet has opened opportunities for efficient on-line trading, and researchers have developed algorithms for various auctions, as well as exchanges for standardized commoditi...