9683 search results - page 506 / 1937 » Query performance prediction |
161
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SIGMOD
1999
ACM
15 years 11 months ago
1999
ACM
We explore the execution of queries with client-site userdefined functions (UDFs). Many UDFs can only be executed at the client site, for reasons of scalability, security, confide...
177
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CIKM
1999
Springer
15 years 11 months ago
1999
Springer
We present the architecture and a performance assessment of an extensible query optimizer written in Venus. Venus is a general-purpose active-database rule language embedded in C+...
199
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ADC
2000
Springer
15 years 10 months ago
2000
Springer
Answering range queries is a common database operation. Methods based on hashing techniques to minimise the cost of answering range queries by taking the query distribution into a...
180
Voted
IIWAS
2004
15 years 8 months ago
2004
Access to different and remote sources with heterogeneous formats is one of the most important challenges in Enterprise Information Integration. Even though there exists an increa...
187
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DPD
2006
15 years 6 months ago
2006
A major problem of unstructured P2P systems is their heavy network traffic. This is caused mainly by high numbers of query answers, many of which are irrelevant for users. One solu...