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Automatic text skimming using lexical chains

  • US 8,676,567 B2
  • Filed: 12/16/2011
  • Issued: 03/18/2014
  • Est. Priority Date: 08/16/2007
  • Status: Active Grant
First Claim
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1. A method for filtering adjectives from a lexical chain, the method comprising:

  • receiving, at a processor, the lexical chain comprising an adjective, the lexical chain being a component of an input document;

    calculating a non-characteristic-ness score based on the adjective'"'"'s usage within the input document according to linguistic tests, the non-characteristic-ness score being a function of at least a frequency of the adjective'"'"'s usage in the input document and a gradability non-characteristic-ness score for the adjective;

    testing, by the processor, the adjective to determine if the adjective is at least one of the following;

    a characteristic adjective and a non-characteristic adjective, wherein testing the adjective comprises comparing the non-characteristic-ness score to a threshold score;

    removing, by the processor, the adjective from the lexical chain when the non-characteristic-ness score is above the threshold score; and

    leaving, by the processor, the adjective in the lexical chain when the non-characteristic-ness score is below the threshold score.

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