522 search results - page 50 / 105 » Feature selection for ranking using boosted trees |
IR
2010
14 years 10 months ago
2010
LETOR is a benchmark collection for the research on learning to rank for information retrieval, released by Microsoft Research Asia. In this paper, we describe the details of the L...
119
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ICCV
2005
IEEE
16 years 1 months ago
2005
IEEE
In recent years Kernel Principal Component Analysis (Kernel PCA) has gained much attention because of its ability to capture nonlinear image features, which are particularly impor...
ICIP
2006
IEEE
16 years 1 months ago
2006
IEEE
The tree of shapes is a powerful tool for image representation which holds many interesting properties. There are many works in the literature that use it for image segmentation, ...
127
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EMNLP
2008
15 years 1 months ago
2008
Complex questions that require inferencing and synthesizing information from multiple documents can be seen as a kind of topicoriented, informative multi-document summarization. I...
ICIP
2004
IEEE
16 years 1 months ago
2004
IEEE
This paper presents efficient methods to address the problem of discriminating between five facial orientations. We present the most efficient methods for this task to date, which...