1497 search results - page 52 / 300 » Constraint Databases: A Survey |
IDEAS
2007
IEEE
15 years 4 months ago
2007
IEEE
A foreign superkey in relational database theory is a set of attributes referring to a superkey of some relation variable. In this paper, the notion of constant references is intr...
159
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SIGMOD
2005
ACM
15 years 10 months ago
2005
ACM
Data integrated from multiple sources may contain inconsistencies that violate integrity constraints. The constraint repair problem attempts to find "low cost" changes t...
173
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GIS
2008
ACM
15 years 10 months ago
2008
ACM
In order to deal with inconsistent databases, a repair semantics defines a set of admissible database instances that restore consistency, while staying close to the original insta...
DEXAW
2005
IEEE
15 years 3 months ago
2005
IEEE
For several reasons a database may not satisfy certain integrity constraints (ICs). However, most likely most of the information in it is still consistent with the ICs; and could ...
BNCOD
2007
14 years 11 months ago
2007
While specification languages for integrity constraints for XML data have been considered in the literature, actual technologies and methodologies for checking and maintaining in...