12336 search results - page 420 / 2468 » Active Information Retrieval |
230
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
The approach of using passage-level evidence for document retrieval has shown mixed results when it is applied to a variety of test beds with different characteristics. One main r...
159
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SIGIR
2010
ACM
15 years 10 months ago
2010
ACM
We present a document expansion approach that uses Conditional Random Field (CRF) segmentation to automatically extract salient phrases from ad titles. We then supplement the ad d...
188
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CLEF
2010
Springer
15 years 8 months ago
2010
Springer
This paper discusses the QA system submitted by Dhirubhai Ambani Institute of Information and Communication Technology, India in the ResPubliQA 2010. We have participated in the mo...
180
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CVPR
2000
IEEE
16 years 8 months ago
2000
IEEE
Combining learning with vision techniques in interactive image retrieval has been an active research topic during the past few years. However, existing learning techniques either ...
201
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CVPR
2001
IEEE
16 years 8 months ago
2001
IEEE
Learning-enhanced relevance feedback is one of the most promising and active research directions in recent year's content-based image retrieval. However, the existing approac...