6846 search results - page 387 / 1370 » Querying a summary of database |
152
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VLDB
1998
ACM
15 years 11 months ago
1998
ACM
: Structural queries constitute a special form of content-basedretrieval where the user specifiesa set of spatial constraints among query variables and asks for all configurations ...
214
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DEXAW
2007
IEEE
15 years 10 months ago
2007
IEEE
The problem of efficiently evaluating XPath and XQuery queries has become increasingly significant since more and more XML data is stored in its native form. We propose a novel op...
203
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EUROPAR
2006
Springer
15 years 10 months ago
2006
Springer
OGSA-DQP is a Distributed Query Processing system for the Grid. It uses the OGSA-DAI framework for querying individual databases and adds on top of it an infrastructure to perform ...
155
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VLDB
1995
ACM
15 years 10 months ago
1995
ACM
Traditionally, optimizers are “programmed” to optimize queries following a set of buildin procedures. However, optimizers should be robust to its changing environment to gener...
188
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ADC
2008
Springer
15 years 8 months ago
2008
Springer
A common approach to content-based image retrieval is to use example images as queries; images in the collection that have low-level features similar to the query examples are ret...