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Question-answering system and question-answering processing method

  • US 20050114327A1
  • Filed: 11/17/2004
  • Published: 05/26/2005
  • Est. Priority Date: 11/21/2003
  • Status: Abandoned Application
First Claim
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1. A question-answering system for inputting the question sentence data presented in a natural language and outputting an answer for the question sentence data from a group of document data to be retrieved for the answer, the system comprising:

  • document retrieval means for extracting a keyword from the input question sentence data and retrieving and extracting the document data including the keyword from the group of document data;

    answer candidate extracting means for extracting a language presentation possibly becoming the answer as an answer candidate from the document data;

    answer type determination means for storing predetermined answer types for classifying the answer candidates and determining of which answer type the answer candidate is; and

    answer table output means for classifying the answer candidates by answer type, and outputting the answer table data in a table format in which all or part of the answer candidates are arranged with the answer type as a heading item for each the answer type.

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