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Reranking QA answers using language modeling

  • US 20080040114A1
  • Filed: 08/11/2006
  • Published: 02/14/2008
  • Est. Priority Date: 08/11/2006
  • Status: Active Grant
First Claim
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1. A computer implemented method for reranking candidate answers related to a question in a QA system comprising:

  • receiving a question and determining a question focus of the question;

    querying a source of information with the question focus and obtaining one or more relevant documents;

    obtaining candidate answers from said one or more relevant documents; and

    reranking the candidate answers using a language model related to the question.

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