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    • 8. 发明授权
    • Methods and apparatus for information indexing and retrieval as well as
query expansion using morpho-syntactic analysis
    • 信息索引和检索的方法和设备,以及使用形态语法分析的查询扩展
    • US6101492A
    • 2000-08-08
    • US109506
    • 1998-07-02
    • Christian JacqueminEvelyne Tzoukermann
    • Christian JacqueminEvelyne Tzoukermann
    • G06F17/30
    • G06F17/30672Y10S707/99933Y10S707/99935
    • An index generator and query expander for use in information retrieval in a corpus. A corpus is provided as an input to an inflectional analyzer, which produces a lemmatized corpus having base forms and associated inflections for each word in the original corpus. The lemmatized corpus is provided as an input to a disambiguator, which performs part of speech tagging and morpho-syntactic disambiguation to produce a disambiguated corpus. The disambiguated corpus is provided as an input to a derivational generator, which produces an expanded corpus having all possible valid derivatives of each word of the disambiguated corpus. The disambiguated corpus is provided as an input to a transformational analyzer, using a grammar and a metagrammar for analyzing syntactic and morphosyntactic variations to conflate and generate variants, producing an index to the corpus having a minimum of variants. Alternatively, a query expander is provided utilizing similar techniques.
    • 索引生成器和查询扩展器,用于语料库中的信息检索。 提供语料库作为变形分析器的输入,其产生具有基本形式的左耳语料库和原始语料库中的每个单词的相关变形。 提供了一种缩小的语料库作为消歧者的输入,其执行词性标签和形态语义消歧以产生消歧语料库。 消歧语料库被提供给导出生成器的输入,其产生具有消歧语料库的每个单词的所有可能的有效导数的扩展语料库。 消歧语料库作为转换分析器的输入提供,使用语法和卦语来分析句法和形态变异以混合和生成变体,产生具有最小变体的语料库的索引。 或者,使用类似的技术来提供查询扩展器。