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基于统计的介词短语边界识别研究

, PP. 636-640

Keywords: 介词短语,支持向量机,最大熵,条件随机场

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Abstract:

以已经分词并进行了词性标注和介词短语标注的《人民日报》为实验语料,选取其中出现频次高于20次的61个介词为实验对象,采用支持向量机、最大熵和条件随机场这3种统计模型,对介词短语边界识别进行了研究.实验结果表明在3种模型中,采用条件随机场模型效果最好,微平均准确率达到了95.68%.关键词:介词短语;支持向量机;最大熵;条件随机场

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