372 search results - page 49 / 75 » Learning to Rank Using an Ensemble of Lambda-Gradient Models |
127
Voted
SIGKDD
2010
14 years 10 months ago
2010
A number of times when using cross-validation (CV) while trying to do classification/probability estimation we have observed surprisingly low AUC's on real data with very few...
147
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NIPS
2001
15 years 4 months ago
2001
High dimensional data that lies on or near a low dimensional manifold can be described by a collection of local linear models. Such a description, however, does not provide a glob...
162
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WSDM
2012
ACM
13 years 10 months ago
2012
ACM
We present a new approach for personalizing Web search results to a specific user. Ranking functions for Web search engines are typically trained by machine learning algorithms u...
127
Voted
MM
2005
ACM
15 years 8 months ago
2005
ACM
In this paper we unify two supposedly distinct tasks in multimedia retrieval. One task involves answering queries with a few examples. The other involves learning models for seman...
121
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AAAI
2008
15 years 5 months ago
2008
We introduce the problem of zero-data learning, where a model must generalize to classes or tasks for which no training data are available and only a description of the classes or...