522 search results - page 83 / 105 » Feature selection for ranking using boosted trees |
SIGIR
2009
ACM
15 years 6 months ago
2009
ACM
A number of online video social networks, out of which YouTube is the most popular, provides features that allow users to post a video as a response to a discussion topic. These f...
CLEF
2004
Springer
15 years 5 months ago
2004
Springer
In this paper, we explore the help of visual features to cross-language image retrieval. We propose an approach that transforms textual queries into visual representations. The re...
108
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ECML
2007
Springer
15 years 6 months ago
2007
Springer
L1 regularization is effective for feature selection, but the resulting optimization is challenging due to the non-differentiability of the 1-norm. In this paper we compare state...
104
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EWCBR
2008
Springer
15 years 1 months ago
2008
Springer
Case-Based Planning (CBP) is an effective technique for solving planning problems that has the potential to reduce the computational complexity of the generative planning approache...
104
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SIGIR
2008
ACM
14 years 11 months ago
2008
ACM
This paper proposes a learning approach for the merging process in multilingual information retrieval (MLIR). To conduct the learning approach, we also present a large number of f...