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Algorithm for automatic selection of discriminant term combinations for document categorization

  • US 6,668,256 B1
  • Filed: 01/19/2001
  • Issued: 12/23/2003
  • Est. Priority Date: 01/19/2000
  • Status: Expired due to Term
First Claim
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1. A method, comprising:

  • associating a weighted value with each term in a set of terms contained within textual content, where a first word can affect the conveyed meaning of a second word;

    expressing the set of terms derived from the textual content as a Volterra series;

    correlating the set of terms to a particular subject by using a vector based technique of document classification; and

    determining a mathematical indication of whether the content relates to the particular subject.

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