6650 search results - page 295 / 1330 » Mutating database queries |
194
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
Mashup Feeds is a system that supports integrated web service feeds as continuous queries. We introduce collectionbased stream processing semantics to enable information extractio...
108
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BTW
2003
Springer
15 years 10 months ago
2003
Springer
: A recent article introduced partitioned B-trees, in which partitions are defined not in the catalogs but by distinct values in an artificial leading key column. As there usually ...
120
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PODS
1991
ACM
15 years 8 months ago
1991
ACM
In this paper we characterise exactly the complexity of a set based database language called SRL, which presents a unified framework for queries and updates. By imposing simple s...
259
Voted
ICDE
2006
IEEE
16 years 6 months ago
2006
IEEE
One important way in which sampling for approximate query processing in a database environment differs from traditional applications of sampling is that in a database, it is feasi...
215
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SIGMOD
2005
ACM
16 years 4 months ago
2005
ACM
Data analysts need to understand the quality of data in the warehouse. This is often done by issuing many Group By queries on the sets of columns of interest. Since the volume of ...