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    • 4. 发明申请
    • Question answering system and question answering processing method
    • 问答系统和问答处理方法
    • US20050086045A1
    • 2005-04-21
    • US10859293
    • 2004-06-03
    • Masaki Murata
    • Masaki Murata
    • G06F17/27G06F17/28G06F17/30
    • G06F17/30654G06F17/27
    • A question answering system estimates an answer type of an answer from a input question statement, extracts keywords from the question statement and retrieves a document database, extracts language expressions (answer candidates) from the extracted document data, assigns evaluation points thereto. When there are a plurality of answer candidates having the same language expression, the system sorts those evaluation points in descending ranking order of evaluation, calculates values of evaluation points using such weighting that the value to be processed for each evaluation point diminishes, regards the sum total of those values as the evaluation point of the answer candidate, and outputs the answer candidate whose counted evaluation point is equal to or greater than a predetermined evaluation as an answer.
    • 问答系统从输入的问题陈述中估计回答类型的答案,从问题语句中提取关键字,并检索文档数据库,从提取的文档数据中提取语言表达式(答案候选),并将评估点分配给它。 当存在具有相同语言表达的多个答案候选者时,系统以评估的排序顺序对评估点进行排序,使用这样的加权来计算评价点的值,使得对于每个评价点处理的值减少, 将这些值的总和作为答复候选的评价点,并输出计数评价点等于或大于预定评价的答案候选作为答案。