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Apparatus and method for building domain-specific language models

  • US 6,188,976 B1
  • Filed: 10/23/1998
  • Issued: 02/13/2001
  • Est. Priority Date: 10/23/1998
  • Status: Expired due to Term
First Claim
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1. A method for building a language model specific to a domain, comprising the steps of:

  • a) building a reference language model based on a seed corpus containing linguistic units relevant to said domain;

    b) accessing an external corpus containing a large number of linguistic units;

    c) using said reference language model, selectively extracting linguistic units from said external corpus that have a sufficient degree of relevance to said domain; and

    d) updating said reference language model based on said seed corpus and said extracted linguistic units.

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