817 search results - page 59 / 164 » Generating Efficient Plans for Queries Using Views |
172
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KBSE
2000
IEEE
15 years 10 months ago
2000
IEEE
When a lack of data inhibits decision making, large scale what-if queries can be conducted over the uncertain parameter ranges. Such what-if queries can generate an overwhelming a...
178
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AMW
2010
15 years 7 months ago
2010
In this work we present in-network techniques to improve the efficiency of spatial aggregate queries. Such queries are very common in a sensornet setting, demanding more targeted t...
179
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ALT
1997
Springer
15 years 9 months ago
1997
Springer
A pattern is a string of constant and variable symbols. The language generated by a pattern is the set of all strings of constant symbols which can be obtained from by substituti...
217
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CVPR
2007
IEEE
16 years 4 months ago
2007
IEEE
We present a novel object-specific segmentation method which can be used in view-based object recognition systems. Previous object segmentation approaches generate inexact results ...
302
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ICDE
2009
IEEE
16 years 7 months ago
2009
IEEE
One of the most challenging aspects of managing a very large data warehouse is identifying how queries will behave before they start executing. Yet knowing their performance charac...