625 search results - page 36 / 125 » Feature selection methods for text classification |
104
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ESANN
2007
15 years 6 days ago
2007
We study dimensionality reduction or feature selection in text document categorization problem. We focus on the first step in building text categorization systems, that is the cho...
CIKM
2005
Springer
15 years 4 months ago
2005
Springer
We demonstrate the usefulness of the uniform resource locator (URL) alone in performing web page classification. This approach is magnitudes faster than typical web page classific...
112
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PAKDD
2005
ACM
15 years 4 months ago
2005
ACM
: While feature selection is very difficult for high dimensional, unstructured data such as face image, it may be much easier to do if the data can be faithfully transformed into l...
CORR
2002
Springer
14 years 10 months ago
2002
Springer
Mutual information is widely used in artificial intelligence, in a descriptive way, to measure the stochastic dependence of discrete random variables. In order to address question...
119
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CVPR
2005
IEEE
15 years 4 months ago
2005
IEEE
The paper proposes a method to keep the tracker robust to background clutters by online selecting discriminative features from a large feature space. Furthermore, the feature sele...