551 search results - page 54 / 111 » Learning to rank for information retrieval (LR4IR 2008) |
141
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CIVR
2007
Springer
16 years 10 days ago
2007
Springer
Fusion of multimedia streams for enhanced performance is a critical problem for retrieval. However, fusion performance tends to easily overfit the hillclimb set used to learn fus...
175
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AIRWEB
2009
Springer
16 years 23 days ago
2009
Springer
Web spamming techniques aim to achieve undeserved rankings in search results. Research has been widely conducted on identifying such spam and neutralizing its influence. However,...
147
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ECIR
2008
Springer
15 years 7 months ago
2008
Springer
Abstract. We show that several previously proposed passage-based document ranking principles, along with some new ones, can be derived from the same probabilistic model. We use lan...
207
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WWW
2011
ACM
15 years 1 months ago
2011
ACM
Our objective is to improve the performance of keyword based image search engines by re-ranking their baseline results. To this end, we address three limitations of existing searc...
189
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SIGIR
2012
ACM
13 years 8 months ago
2012
ACM
In this paper, we tackle the problem of top-N context-aware recommendation for implicit feedback scenarios. We frame this challenge as a ranking problem in collaborative filterin...