On-Line Analytical Processing techniques are used for data analysis and decision support systems. The multidimensionality of the underlying data is well represented by multidimens...
We provide an evaluation of query execution plans (QEP) in the case of queries with one or two spatial joins. The QEPs assume R -tree indexed relations and use a common set of spat...
Apostolos Papadopoulos, Philippe Rigaux, Michel Sc...
Hyper-programming is a technology only available in persistent systems, since hyper-program source code contains both text and links to persistent objects. A hyper-programming sys...
Evangelos Zirintsis, Graham N. C. Kirby, Ronald Mo...
The aim of DICE is the improvement of communication between culture-providers (institutions, museums, etc.) and different categories of users (scholars, publishers, culturaltouris...
In this paper we present the metadata usage in a medical imaging project grid. Metadata represent data about the data: In our case, the data are medical images and the metadata sto...
Jean-Marc Pierson, Ludwig Seitz, Hector Duque, Joh...