In the environment of wide-area networks such as the Internet, distributed query processing becomes problematic due to the changing coming from both underlying networks and user...
“A pattern ... describes a problem which occurs over and over again in our environment, and then describes the core of the solution to that problem, in such a way that you can us...
Franca Garzotto, Paolo Paolini, Davide Bolchini, S...
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...
Abstract. Unlike traditional database management systems, in multimedia databases that support content-based retrieval over multimedia objects, it is difficult for users to express...
Kriengkrai Porkaew, Sharad Mehrotra, Michael Orteg...