152 search results - page 14 / 31 » Semantic Integrity Constraints for Spatial Databases |
SPIESR
1996
15 years 1 months ago
1996
Two approaches for integrating images into the framework of a database management system are presented. The classi cation approach preprocesses all images and attaches a semantic ...
150
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SIGMOD
2007
ACM
15 years 12 months ago
2007
ACM
We show that aggregate constraints (as opposed to pairwise constraints) that often arise when integrating multiple sources of data, can be leveraged to enhance the quality of dedu...
114
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EDBT
2008
ACM
15 years 12 months ago
2008
ACM
In the paper we discuss the problem of data integration in a P2P environment. In such setting each peer stores schema of its local data, mappings between the schema and schemas of...
124
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CIKM
2010
Springer
14 years 9 months ago
2010
Springer
Schema merging is the process of consolidating multiple schemas into a unified view. The task becomes particularly challenging when the schemas are highly heterogeneous and autono...
108
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SUM
2007
Springer
15 years 5 months ago
2007
Springer
Abstract. We present the Consistency Extractor System (ConsEx) that uses answer set programming to compute consistent answers to first-order queries posed to relational databases ...