Emerging non-standard applications like the production of high-quality spatial sound pose new challenges to data management. Beside the need for a flexible transactional managemen...
A general model of an E-business system comprising an Application Server and a Database engine is analyzed and evaluated. Incoming jobs, once admitted for processing, compete for ...
Giovanna Ferrari, Paul D. Ezhilchelvan, Isi Mitran...
Although a wide range of medical ontologies has already been deployed in the last decade, most of them follow design principles different to those required by Semantic Web applica...
Elena Paslaru Bontas, David Schlangen, Sonja Niepa...
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...
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). We present here a nu...