3225 search results - page 211 / 645 » Query Optimization by Stored Queries |
132
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
A top-k query retrieves the k highest scoring tuples from a data set with respect to a scoring function defined on the attributes of a tuple. The efficient evaluation of top-k q...
205
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CINQ
2004
Springer
15 years 10 months ago
2004
Springer
Spatial data mining is a process used to discover interesting but not explicitly available, highly usable patterns embedded in both spatial and nonspatial data, which are possibly ...
137
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CIKM
2010
Springer
15 years 3 months ago
2010
Springer
Most database systems allow query processing over attributes that are derived at query runtime (e.g., user-defined functions and remote data calls to web services), making them e...
120
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VLDB
1999
ACM
15 years 8 months ago
1999
ACM
XML is fast emerging as the dominant standard for representing data in the World Wide Web. Sophisticated query engines that allow users to effectively tap the data stored in XML d...
141
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DBPL
1995
Springer
15 years 8 months ago
1995
Springer
We study the problem of maintaining recursively-de ned views, such as the transitive closure of a relation, in traditional relational languages that do not have recursion mechanis...