9683 search results - page 516 / 1937 » Predicting query performance |
302
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ICDE
2005
IEEE
16 years 8 months ago
2005
IEEE
Vertical partitioning is a well-known technique for optimizing query performance in relational databases. An extreme form of this technique, which we call vectorization, is to sto...
311
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ICDE
2003
IEEE
16 years 8 months ago
2003
IEEE
We are witnessing in recent years growing interest for location-dependent information services among mobile users. This paper examines the issue of processing locationdependent qu...
189
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WWW
2005
ACM
16 years 7 months ago
2005
ACM
An unstructured peer network application was proposed to address the query forwarding problem of distributed search engines and scalability limitations of centralized search engin...
196
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WWW
2004
ACM
16 years 7 months ago
2004
ACM
A number of applications require selecting targets for specific contents on the basis of criteria defined by the contents providers rather than selecting documents in response to ...
174
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EDBT
2006
ACM
16 years 7 months ago
2006
ACM
Navigational queries on Web-accessible life science sources pose unique query optimization challenges. The objects in these sources are interconnected to objects in other sources, ...