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Very-large-scale automatic categorizer for web content

  • US 20020174095A1
  • Filed: 09/25/2001
  • Published: 11/21/2002
  • Est. Priority Date: 05/07/2001
  • Status: Active Grant
First Claim
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1. A method of training a classifier system by utilizing previously classified data objects organized into a subject hierarchy of a plurality of nodes, the method comprising:

  • selecting one node of the plurality of nodes;

    aggregating those of the previously classified data objects corresponding to the selected node and any associated sub-nodes of the selected node, to form a content class of data objects;

    aggregating those of the previously classified data objects corresponding to any associated sibling nodes of the selected node and any associated sub-nodes of the sibling nodes to form an anti-content class of data objects; and

    extracting features from at least one of the content class of data objects and the anti-content class of data objects to facilitate characterization of said previously classified data objects.

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