9683 search results - page 611 / 1937 » Predicting query performance |
156
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DASFAA
2003
IEEE
16 years 17 days ago
2003
IEEE
Data warehouses are of crucial importance to decision-making in competitive organizations. The fact that they store enormous quantities of data is a challenge in what concerns per...
232
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ER
1999
Springer
15 years 11 months ago
1999
Springer
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over a set of remote data sources. A DW is intended to satisfy a set of queries. The views materi...
210
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CIKM
2009
Springer
15 years 10 months ago
2009
Springer
Keyword search techniques that take advantage of XML structure make it very easy for ordinary users to query XML databases, but current approaches to processing these queries rely...
216
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SIGMETRICS
2002
ACM
15 years 7 months ago
2002
ACM
Decentralized and unstructured peer-to-peer networks such as Gnutella are attractive for certain applications because they require no centralized directories and no precise contro...
211
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PVLDB
2008
15 years 6 months ago
2008
Estimates of predicate selectivities by database query optimizers often differ significantly from those actually encountered during query execution, leading to poor plan choices a...