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Method and system for creating natural language understanding grammars

  • US 8,335,690 B1
  • Filed: 01/17/2012
  • Issued: 12/18/2012
  • Est. Priority Date: 08/23/2007
  • Status: Active Grant
First Claim
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1. A method comprising:

  • a) receiving, at a computer, a first set of input data comprising a set of website data;

    b) defining a grammar, wherein;

    i) the grammar comprises a plurality of sub-grammars organized according to a hierarchy comprising a plurality of levels;

    ii) the grammar is defined based on data comprising;

    1) the first set of input data;

    2) a second set of input data; and

    3) a third set of input data;

    iii) the statements |A B|−

    |A∩

    B|≠

    0 and B C=A C are true where1) A is a first set of levels from the hierarchy in which at least one sub-grammar is defined based on the first set of input data;

    2) B is a second set of levels from the hierarchy in which at least one sub-grammar is defined based on the second set of input data; and

    3) C is a third set of levels from the hierarchy in which at least one sub-grammar is defined based on the third set of input data; and

    c) storing the grammar on a non-transitory computer readable medium.

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