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    • 19. 发明申请
    • Question answering system, data search method, and computer program
    • 问答系统,数据搜索方法和计算机程序
    • US20070022099A1
    • 2007-01-25
    • US11312930
    • 2005-12-21
    • Hiroki YoshimuraHiroshi MasuichiTomoko OhkumaDaigo Sugihara
    • Hiroki YoshimuraHiroshi MasuichiTomoko OhkumaDaigo Sugihara
    • G06F17/30
    • G06F16/3329
    • A question answering system includes an answer candidate extraction unit, a query generation unit, a passage search unit, an answer candidate inspection unit and an answer output unit. The answer candidate extraction unit executes a search process based on an input question to extract a plurality of initial answer candidates. The query generation unit generates a query including at least two of the initial answer candidates as search words. The passage search unit executes a search process based on the query to extract a hit sentence corresponding to the query. The answer candidate inspection unit analyzes the hit sentence to inspect a relationship between the initial answer candidates and generates answer candidates to the input question on a basis of an inspection result. The answer output unit outputs the answer candidates generated by the answer candidate inspection unit.
    • 问答系统包括应答候选提取单元,查询生成单元,通过搜索单元,答案候选检查单元和应答输出单元。 应答候选提取单元基于输入问题执行搜索处理以提取多个初始答案候选。 查询生成单元生成包括至少两个初始答案候选作为搜索词的查询。 段落搜索单元基于该查询执行搜索处理,以提取与查询相对应的命中句。 答案候选人检查单元分析命中句以检查初始答案候选之间的关系,并根据检查结果为输入问题生成答案候选。 应答输出单元输出由答案候选者检查单元生成的答案候选。