计算机科学 ›› 2007, Vol. 34 ›› Issue (7): 208-210.

• 软件工程与数据库技术 • 上一篇    下一篇

基于依存关系的问句理解与问句分类

  

  • 出版日期:2018-11-16 发布日期:2018-11-16
  • 基金资助:
    广东省科技攻关项目(A10202001),广州市科技攻关项目(200422-D0091).

  • Online:2018-11-16 Published:2018-11-16

摘要: 问句理解是问答系统的首要过程,问句分类是问句理解的主要组成部分,它在问答系统中具有非常重要的作用,因为问句类型有助于在文档中定位和抽取答案。问句分类的目标是基于预期的答案类型,准确地分类问句。本文提出依存关系规则与统计方法相结合,实现了基于依存关系的中文问句理解与问句分类机制。实验表明:支持向量机结合依存关系的特征抽取方法,获得了较高问句分类正确率。

关键词: 问句分类 依存关系 依存关系树 命名实体识别

Abstract: Question interpretation is the first step of question answering system. Question classification is the main part of the question interpretation and it plays a crucial important role in the question answering system because categorizing a given question is

Key words: Question classification, Dependency relations, Dependency tree, Named entity recognition

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