1497 search results - page 76 / 300 » Constraint Databases: A Survey |
146
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SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
An important problem for many location-based applications is the continuous evaluation of proximity relations among moving objects. These relations express whether a given set of ...
105
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PVLDB
2010
14 years 8 months ago
2010
Supporting legacy applications when the database schema evolves represents a long-standing challenge of practical and theoretical importance. Recent work has produced algorithms a...
190
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
Named entity recognition aims at extracting named entities from unstructured text. A recent trend of named entity recognition is finding approximate matches in the text with respe...
PODS
1999
ACM
15 years 2 months ago
1999
ACM
We investigate the problem of how to extend constraint query languages with aggregate operators. We deal with standard relational aggregation, and also with aggregates speci c to ...
EDBTW
2010
Springer
15 years 4 months ago
2010
Springer
To face the increasing demand from users, National Statistical Institutes (NSI) release different information products. The dissemination of this information should be performed ...