407 search results - page 65 / 82 » Query Estimation by Adaptive Sampling |
159
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SIGIR
2010
ACM
15 years 9 months ago
2010
ACM
Pseudo-relevance feedback is an effective technique for improving retrieval results. Traditional feedback algorithms use a whole feedback document as a unit to extract words for ...
159
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COLT
2005
Springer
15 years 11 months ago
2005
Springer
We start by showing that in an active learning setting, the Perceptron algorithm needs Ω( 1 ε2 ) labels to learn linear separators within generalization error ε. We then prese...
151
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PVLDB
2010
15 years 4 months ago
2010
Enterprises often need to assess and manage the risk arising from uncertainty in their data. Such uncertainty is typically modeled as a probability distribution over the uncertain...
162
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VLDB
2002
ACM
15 years 5 months ago
2002
ACM
Many modern database applications require content-based similarity search capability in numeric attribute space. Further, users' notion of similarity varies between search se...
233
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SIGIR
2012
ACM
13 years 8 months ago
2012
ACM
We introduce the problem of domain adaptation for content-based retrieval and propose a domain adaptation method based on relative aggregation points (RAPs). Content-based retriev...