152 search results - page 18 / 31 » Semantic Integrity Constraints for Spatial Databases |
GEOINFORMATICA
1998
14 years 11 months ago
1998
The nature of map generalization may be non-uniform along the length of an individual line, requiring the application of methods that adapt to the local geometry and the geographi...
147
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GIS
2010
ACM
14 years 6 months ago
2010
ACM
It is now common for video; real-time and collected, mobile and static, to be georeferenced and stored in large archives for users of expert systems to access and interact with. I...
102
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OTM
2005
Springer
15 years 5 months ago
2005
Springer
We propose to enhance a schema integration process with a validation phase employing logic-based data models. In our methodology, we validate the source schemas against the data mo...
130
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TGIS
2002
14 years 11 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...
CORR
2004
Springer
14 years 11 months ago
2004
Springer
We have previously introduced role logic as a notation for describing properties of relational structures in shape analysis, databases and knowledge bases. A natural fragment of ro...