5166 search results - page 124 / 1034 » Web Query Optimizer |
121
Voted
CIKM
1999
Springer
15 years 6 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+...
117
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VLDB
1998
ACM
15 years 6 months ago
1998
ACM
Query optimizers normally compile queries into one optimal plan by assuming complete knowledge of all cost parameters such asselectivity and resourceavailability. The execution of...
111
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WEBDB
2007
Springer
15 years 8 months ago
2007
Springer
The Internet has changed the way people look for information. Users now expect the answers to their questions to be available through a simple web search. Web search engines are i...
165
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DBPL
2003
Springer
15 years 7 months ago
2003
Springer
Abstract. In the context of XML data management systems, the estimation of query cardinality is becoming more and more important: the information provided by a query result estimat...
230
Voted
GIS
2005
ACM
16 years 3 months ago
2005
ACM
Group nearest neighbor (GNN) queries are a relatively new type of operations in spatial database applications. Different from a traditional kNN query which specifies a single quer...