826 search results - page 28 / 166 » Query Performance Prediction: Evaluation Contrasted with Eff... |
145
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CIKM
2009
Springer
15 years 7 months ago
2009
Springer
While provenance has been extensively studied in the literature, the efficient evaluation of provenance queries remains an open problem. Traditional query optimization techniques...
161
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SIGMOD
2003
ACM
16 years 4 months ago
2003
ACM
Many applications employ sensors for monitoring entities such as temperature and wind speed. A centralized database tracks these entities to enable query processing. Due to contin...
149
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EDBT
2009
ACM
15 years 7 months ago
2009
ACM
In emerging applications such as location-based services, sensor monitoring and biological management systems, the values of the database items are naturally imprecise. For these ...
165
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CVPR
2011
IEEE
15 years 1 months ago
2011
IEEE
We propose a novel approach for ranking and retrieval of images based on multi-attribute queries. Existing image retrieval methods train separate classifiers for each word and he...
293
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ICDE
2008
IEEE
17 years 4 months ago
2008
IEEE
In applications like location-based services, sensor monitoring and biological databases, the values of the database items are inherently uncertain in nature. An important query fo...