A growing number of databases especially those published on the Web are becoming available to external users. Users of these databases are provided simple form-based query interfa...
The situation in engineering security for Web services that access databases is as follows: On the one hand, specifications like WSSecurity are concerned with the security managem...
Martin Wimmer, Daniela Eberhardt, Pia Ehrnlechner,...
In recent years, the tourism assistance community is gradually shifting its emphasis to digital, interactive systems. Our project aims for digital tourism assistance by combining ...
Alf-Christian Schering, Martin Dueffer, Andreas Fi...
Bitmap indexes are widely used in Decision Support Systems (DSSs) to improve query performance. In this paper, we evaluate the use of compressed inverted indexes with adapted quer...
In this demonstration we present the Brown Dwarf, a distributed system designed to efficiently store, query and update multidimensional data. Deployed on any number of commodity ...