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    • 97. 发明授权
    • Method and system for generating grammar rules
    • 用于生成语法规则的方法和系统
    • US09183204B2
    • 2015-11-10
    • US14311979
    • 2014-06-23
    • Telstra Corporation Limited
    • Jason JiangBradford Craig StarkieBhavani Laxman Raskutti
    • G06F17/30G06F17/27G06F17/28G10L15/00
    • G06F17/30011G06F17/2705G06F17/28G06F17/30616G06F17/30663G06F17/30684G10L15/00
    • An information retrieval system, including a natural language parser (3) for parsing documents of a document space (1) to identify key terms of each document based on linguistic structure, and for parsing a search query to determine the search term, a feature extractor (4) for determining an importance score for terms of the document space (1) based on distribution of the terms in the document space (1), an index term generator (5) for generating index terms using the key terms identified by the parser (3) and the extractor (4) and having an importance score above a threshold level, and a query clarifier (16) for selecting from the index terms, on the basis of the search term, index terms for selecting at least one document from the document space (1). A speech recognition engine (12) is used to generate the query, and a bi-gram language module (6) generates grammar rules for the speech recognition engine (12) using the index terms.
    • 一种信息检索系统,包括用于解析文档空间(1)的文档的自然语言解析器(3),以基于语言结构识别每个文档的关键术语,以及用于解析搜索查询以确定搜索项,特征提取器 (4),用于基于文档空间(1)中的术语的分布来确定文档空间(1)的术语的重要性得分;索引项生成器(5),用于使用由解析器识别的关键术语来生成索引项 (3)和所述提取器(4)并且具有高于阈值水平的重要性得分;以及查询澄清器(16),用于根据所述索引项从所述索引项中选择用于从至少一个文档中选择至少一个文档的索引项 文档空间(1)。 语音识别引擎(12)用于产生查询,并且双语言语言模块(6)使用索引项生成语音识别引擎(12)的语法规则。