1344 search results - page 41 / 269 » Spatial Data Query Support in Peer-to-Peer Systems |
PSSS
2003
14 years 11 months ago
2003
Abstract: We present DLDB, a knowledge base system that extends a relational database management system with additional capabilities for DAML+OIL inference. We discuss a number of ...
188
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GIS
2005
ACM
15 years 10 months ago
2005
ACM
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
CIDR
2009
14 years 11 months ago
2009
We consider how to support interactive querying over webscale data. The basic approach is to view querying as a two-phase activity: first supply a query template, and later supply...
AVI
2000
14 years 11 months ago
2000
To support users in querying geographic databases we have developed a system that lets people sketch what they are looking for. It closes the gap between user and information syst...
110
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MOBIQUITOUS
2005
IEEE
15 years 3 months ago
2005
IEEE
Recent research has led to the advent of software systems capable of performing query processing in sensor networks. They perform query processing in a sensor network by construct...