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Calculating Valence of Expressions within Documents for Searching a Document Index

  • US 20130097174A1
  • Filed: 12/03/2012
  • Published: 04/18/2013
  • Est. Priority Date: 08/31/2007
  • Status: Abandoned Application
First Claim
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1. A computer-readable storage medium comprising computer-executable instructions stored thereon that, when executed by a computer system, cause the computer system to:

  • receive at least one document for processing;

    extract at least one expression from the document, the expression containing a scope relationship occurring between at least two terms contained in the expression;

    calculate a valence of the expression based on the scope relationship between terms as defined in the expression; and

    enter one or more facts in a semantic index representing the valence calculated for the expression, the semantic index comprising an inverted index mapping facts representing valence calculated for expressions in a plurality of documents to the document in which each expression occurs.

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