Automatic classification method and apparatus
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United States of America Patent
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Nov 23, 2004
Grant Date -
Oct 31, 2002
app pub date -
Apr 26, 2001
filing date -
Apr 26, 2001
priority date (Note) -
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Abstract
Methods and apparatus for classifying an instance (i.e., a data item or a record) automatically into one or more classes selected from a set of potential classes are described. This multi-class classification approach enables instances to be classified with high accuracy, even when the number of classes is very large. In accordance with one classification scheme, a subset of two or more classes to which the instance is determined to most likely belong is selected from the set of potential classes. A classifier that is generated from a set of training records corresponding to a class set inclusive of the selected subset of classes is applied to the instance a to identify at least one class to which the instance most likely belongs.
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