3456 search results - page 84 / 692 » Semantics in Spatial Databases |
TGIS
2002
13 years 7 months ago
2002
Today, there is a huge amount of data gathered about the Earth, not only from new spatial information systems, but also from new and more sophisticated data collection technologie...
GIS
2004
ACM
14 years 9 months ago
2004
ACM
Modern database applications including computer-aided design, multimedia information systems, medical imaging, molecular biology, or geographical information systems impose new re...
SSD
1999
Springer
14 years 11 days ago
1999
Springer
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...
ADBIS
1995
Springer
13 years 11 months ago
1995
Springer
One of the most important operations in spatial access needed systems are spatial joins. Using for processing such operations R-tree like structures is intensively studies now. Th...
SSD
2001
Springer
14 years 16 days ago
2001
Springer
The design of external index structures for one- and multidimensional extended objects is a long and well studied subject in basic database research. Today, more and more commercia...