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Method and apparatus for classifying text

  • US 5,182,708 A
  • Filed: 09/24/1991
  • Issued: 01/26/1993
  • Est. Priority Date: 12/11/1990
  • Status: Expired due to Term
First Claim
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1. A text classification method for use in a text classification system having first, second, and third counts, the method comprising the steps ofisolating incoming text by separating the incoming text into incoming words,incrementing said first count for each incoming word,comparing each incoming word with a first stored word list to determine if the incoming word matches with a stored word,adding the incoming word to the first stored list if there is no match and incrementing said second count,comparing each incoming word with a second stored word list to determine if the incoming word matches with a stored word and if there is no match, adding the incoming word to the second stored word list,incrementing said third count,determining a first constant by a ratio of said first count to said second count and determining a second constant by a ratio of said third count to said first count, anddetermining the text classification by the value of said first and second constants.

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