407 search results - page 65 / 82 » Query Estimation by Adaptive Sampling |
SIGIR
2010
ACM
15 years 3 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 ...
COLT
2005
Springer
15 years 5 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...
PVLDB
2010
14 years 10 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...
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VLDB
2002
ACM
14 years 11 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...
147
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SIGIR
2012
ACM
13 years 2 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...