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Ranking parser for a natural language processing system

  • US 7,319,952 B2
  • Filed: 12/29/2005
  • Issued: 01/15/2008
  • Est. Priority Date: 07/20/2000
  • Status: Expired due to Fees
First Claim
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1. A computer-readable storage medium having computer-executable instructions that, when executed by a computer, perform a method to parse a phrase, the method comprising:

  • generating at least one parse tree representing a syntactically valid parse of the phrase, wherein the parse tree has hierarchical nodes;

    calculating a syntactic history for each node, the syntactic history of a node is indicative of a relevant grammatical environment of that node.

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