193 search results - page 6 / 39 » Importing Abstract Spatial Data into the SAND Database Syste... |
SIGMOD
1999
ACM
15 years 1 months ago
1999
ACM
Selectivity estimation of queries is an important and wellstudied problem in relational database systems. In this paper, we examine selectivity estimation in the context of Geogra...
DOLAP
2006
ACM
15 years 3 months ago
2006
ACM
Decision support systems (DSS) may be enhanced qualitatively if they are able to also deal with spatial dimensions and measures. Regardless the evident importance of using data wa...
ER
2007
Springer
15 years 3 months ago
2007
Springer
Ensuring the semantic and topological correctness of spatial data is an important requirement in geographical information systems and spatial database systems in order to preserve ...
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AGIS
1998
14 years 9 months ago
1998
With the development of modern cities, 3-D spatial information systems (SIS) are increasingly required for spatial planning, communication systems and other applications. The geom...
ER
2005
Springer
15 years 3 months ago
2005
Springer
Abstract. Topological relationships between spatial objects in the twodimensional space have been investigated for a long time in a number of disciplines like artificial intellige...