448 search results - page 7 / 90 » Directly optimizing evaluation measures in learning to rank |
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WWW
2007
ACM
15 years 10 months ago
2007
ACM
Learning Villages (LV) is an E-learning platform for people's online discussions and frequently citing postings of one another. In this paper, we propose a novel method to ra...
73
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SIGIR
2008
ACM
14 years 9 months ago
2008
ACM
Evaluation measures act as objective functions to be optimized by information retrieval systems. Such objective functions must accurately reflect user requirements, particularly w...
176
Voted
FGR
2011
IEEE
14 years 1 months ago
2011
IEEE
Abstract— We propose a novel hierarchical structured prediction approach for ranking images of faces based on attributes. We view ranking as a bipartite graph matching problem; l...
65
Voted
ICML
2003
IEEE
15 years 10 months ago
2003
IEEE
Recent theoretical results have shown that improved bounds on generalization error of classifiers can be obtained by explicitly taking the observed margin distribution of the trai...
ICML
2010
IEEE
14 years 10 months ago
2010
IEEE
We study metric learning as a problem of information retrieval. We present a general metric learning algorithm, based on the structural SVM framework, to learn a metric such that ...