152 search results - page 5 / 31 » Semantic Integrity Constraints for Spatial Databases |
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ESWS
2010
Springer
14 years 8 months ago
2010
Springer
Abstract. RDF will often be the metadata model of choice in the Semantic Sensor Web. However, RDF can only represent thematic metadata and needs to be extended if we want to model ...
SIGMOD
2003
ACM
15 years 9 months ago
2003
ACM
We propose a framework for integrating data from multiple relational sources into an XML document that both conforms to a given DTD and satisfies predefined XML constraints. The f...
74
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SDB
1995
15 years 1 months ago
1995
Database transformations arise in many di erent settings including database integration, evolution of database systems, and implementing user views and data-entry tools. This paper...
83
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AMAI
2007
Springer
14 years 9 months ago
2007
Springer
Abstract In many scenarios, a database instance violates a given set of integrity constraints. In such cases, it is often required to repair the database, that is, to restore its c...
ADC
2007
Springer
15 years 3 months ago
2007
Springer
Information extraction and integration from heterogeneous, autonomous data resources are major requirements for many spatial applications. Geospatial analysis for scientific disco...