1605 search results - page 180 / 321 » Metric Learning to Rank |
132
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EDM
2010
15 years 5 months ago
2010
This paper describes methods for collecting user activity data in a peer production educational system, the Instructional Architect (IA), and then takes a social network perspectiv...
148
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IFIP12
2008
15 years 5 months ago
2008
Sampling methods are a direct approach to tackle the problem of class imbalance. These methods sample a data set in order to alter the class distributions. Usually these methods ar...
137
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ICDM
2003
IEEE
15 years 9 months ago
2003
IEEE
Machine learning techniques for data extraction from semistructured sources exhibit different precision and recall characteristics. However to date the formal relationship between...
129
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APGV
2007
ACM
15 years 7 months ago
2007
ACM
We present a novel perceptual method to reduce the visual redundancy of unstructured lumigraphs, an image based representation designed for interactive rendering. We combine featu...
158
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ICDM
2008
IEEE
15 years 10 months ago
2008
IEEE
Searching for images of people is an essential task for image and video search engines. However, current search engines have limited capabilities for this task since they rely on ...