565 search results - page 12 / 113 » Multiple Range Query Optimization in Spatial Databases |
DASFAA
1999
IEEE
15 years 1 months ago
1999
IEEE
The spatial query has been processed in two steps, the filter step and the refinement step, due to a large volume and high complexity of the spatial data. However, this approach h...
SIGMOD
2000
ACM
15 years 1 months ago
2000
ACM
This paper addresses the problem of finding the K closest pairs between two spatial data sets, where each set is stored in a structure belonging in the R-tree family. Five diffe...
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
A spatial preference query ranks objects based on the qualities of features in their spatial neighborhood. For example, consider a real estate agency office that holds a database ...
SIGMOD
1989
ACM
15 years 1 months ago
1989
ACM
Spatial objects other than points and boxes can be stored in spatial indexes, but the techniques usually require the use of approximations that can be arbitrarily bad. This leads ...
IWMMDBMS
1998
14 years 11 months ago
1998
: In recent years the fusion of multimedia information from multiple real-time sources and databases has become increasingly important because of its practical significance in many...