9683 search results - page 461 / 1937 » Query performance prediction |
159
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KDD
1994
ACM
15 years 10 months ago
1994
ACM
Semantic query optimization can dramatically speed up database query answering by knowledge intensive reformulation. But the problem of how to learn required semantic rules has no...
158
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DASFAA
2004
IEEE
15 years 10 months ago
2004
IEEE
Data and computations of a CAD system have been wrapped by a mediator system using CORBA's IIOP Protocol. This allows ad hoc declarative mediator queries to be translated into...
187
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WEBDB
2000
Springer
15 years 9 months ago
2000
Springer
A substantial portion of web traffic consists of queries to database web servers. Unfortunately, a common technique to improve web scalability, proxy caching, is ineffective for da...
169
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ASWC
2008
Springer
15 years 8 months ago
2008
Springer
More and more RDF data have been published online to be consumed. Ordinary Web users also expect to experience more intelligent services promised by the Semantic Web, such as objec...
179
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TDM
2004
15 years 7 months ago
2004
This paper presents the advantages of combining multiple document representation schemes for query processing of XML queries on content and structure. We show how extending the Te...