1587 search results - page 77 / 318 » UFRGS@CLEF2009: Retrieval by Numbers |
249
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
As the Web has evolved into a data-rich repository, with the standard "page view," current search engines are increasingly inadequate. While we often search for various ...
143
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IRI
2007
IEEE
16 years 17 days ago
2007
IEEE
User feedback is widely deployed in recent multimedia research to refine retrieval performance. However, most of the existing online learning algorithms handle interactions of a s...
189
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CIKM
2010
Springer
15 years 4 months ago
2010
Springer
This work presents a general rank-learning framework for passage ranking within Question Answering (QA) systems using linguistic and semantic features. The framework enables query...
203
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ECIR
2011
Springer
14 years 9 months ago
2011
Springer
Recently, mean-variance analysis has been proposed as a novel paradigm to model document ranking in Information Retrieval. The main merit of this approach is that it diversifies t...
178
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SIGIR
2011
ACM
14 years 9 months ago
2011
ACM
The assumptions underlying the Probability Ranking Principle (PRP) have led to a number of alternative approaches that cater or compensate for the PRP’s limitations. In this pos...