• 数据库技术(Database technology) • 上一篇 下一篇
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摘要: 根据中文命名实体关系抽取的特点,从中文的形态学、语法及语义等几个方面选取特征并构建特征向量,然后将符合特定实体关系模板的候选命名实体对抽取出来并分为正反例。利用正反例样本对支持向量机(SVM)抽取器进行训练,以此来判断候选命名实体对的关系类型。实验证明,本方法能够有效提高中文命名实体关系抽取的准确率。