522 search results - page 62 / 105 » Feature selection for ranking using boosted trees |
ACL
2008
15 years 1 months ago
2008
Computing confidence scores for applications, such as dialogue system, information retrieving and extraction, is an active research area. However, its focus has been primarily on ...
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CVPR
2005
IEEE
16 years 1 months ago
2005
IEEE
In [1], three popular subspace face recognition methods, PCA, Bayes, and LDA were analyzed under the same framework and an unified subspace analysis was proposed. However, since t...
DMIN
2006
15 years 1 months ago
2006
An approach to build a multi-class classifier is proposed in this paper. This approach consists of a derivation to show under which loss function an optimal classifier can be obtai...
DASFAA
2009
IEEE
15 years 6 months ago
2009
IEEE
Existing xml query pattern-based caching strategies focus on extracting the set of frequently issued query pattern trees (qpt) based on the support of the qpts in the history. Thes...
IDA
2007
Springer
15 years 6 months ago
2007
Springer
Random forests are one of the best performing methods for constructing ensembles. They derive their strength from two aspects: using random subsamples of the training data (as in b...