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Apparatus, method, and program for text classification using frozen pattern

  • US 20050149846A1
  • Filed: 10/06/2004
  • Published: 07/07/2005
  • Est. Priority Date: 10/07/2003
  • Status: Abandoned Application
First Claim
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1. A document classification apparatus for classifying an input document in accordance with a document style, comprising a processor arrangement for:

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    (a) generating a style-specific frozen pattern for characterizing the document style;

    (b) extracting a frozen pattern for characterizing a list from the input document by collating the input document with the style-specific frozen pattern;

    (c) calculating confidence of the document style of the input document on the basis of the frozen pattern list; and

    (d) deciding the document style to which the input document belongs on the basis of the calculated confidence.

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