1160 search results - page 49 / 232 » Query Processing and Optimization for Pictorial Query Trees |
101
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ICDE
2005
IEEE
15 years 3 months ago
2005
IEEE
¡ Several systems have recently been proposed for the evaluation of XPath expressions. However, none of these systems have demonstrated both scalability with large document sizes ...
ICPADS
2008
IEEE
15 years 4 months ago
2008
IEEE
Existing solutions for top-k queries in wireless sensor networks mainly focused on energy efficiency and little attention has been paid to the response time to answer a top-k que...
SSD
1999
Springer
15 years 2 months ago
1999
Springer
We provide an evaluation of query execution plans (QEP) in the case of queries with one or two spatial joins. The QEPs assume R -tree indexed relations and use a common set of spat...
157
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
Text documents often embed data that is structured in nature, and we can expose this structured data using information extraction technology. By processing a text database with inf...
118
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ICDE
2012
IEEE
13 years 14 days ago
2012
IEEE
— Accurate query performance prediction (QPP) is central to effective resource management, query optimization and query scheduling. Analytical cost models, used in current genera...