DelosDLMS is a prototype of a next-generation Digital Library (DL) management system. It is the result of integrating various specialized DL services provided by partners of the D...
In the light of image retrieval evolving from text annotation to content-based and from standalone applications to web-based search engines, we foresee the need for deploying cont...
This papers deals with multiway spatial joins when (i) there is limited time for query processing and the goal is to retrieve the best possible solutions within this limit (ii) the...
Ubiquitous Web systems have to deal with varying context information in order to support context awareness. Accomplishing this requirement necessitates gathering, processing and r...
Hop-by-hop data aggregation is a very important technique for reducing the communication overhead and energy expenditure of sensor nodes during the process of data collection in a...