• 中国计算机学会会刊
  • 中国科技核心期刊
  • 中文核心期刊

J4 ›› 2007, Vol. 29 ›› Issue (7): 141-144.

• 论文 • 上一篇    下一篇

一种基于框架结构的专有名词自动识别方法

王蕾[1,2] 李培峰[1] 朱巧明[1] 杨季文[1]   

  • 出版日期:2007-07-01 发布日期:2010-06-02

  • Online:2007-07-01 Published:2010-06-02

摘要:

本文提出了一种基于框架结构的专有名词统一识别方法。该方法首先根据专有名词的成词特点及出现的上下文环境,重新定义语料属性;然后,提出了属性标注点(AP)的概念,对训练语料进行初次标注,并采用错误驱动的学习方法来获取规则;最后,结合规则和实例对文本进行专名识别。实验表明,该方法在测试样本集上准确率最高可以达到
 到92.3%,召回率最高可以达到80.4%,是一种有效的专有名词识别方法。

关键词: 专有名词识别 框架结构 属性标注 错误驱动 规则和实例

Abstract:

In this paper, a method based upon the framework structure is proposed to identify proper nouns. First, the properties of corpus are defined accordingto the characteristics of proper nouns and their contexts. Then the concept of attribute point is put forward, and rules are collected through an error -driven learning algorithm after labeling train corpus for the first time. Finally, rules and instances are assembled together to identify proper nouns  in the texts. The results of experiments show that the precision and the recall rate are up to 92. 3% and 80. 4% respectively, which illuminate that our   method is effective in identifying proper nouns.

Key words: (proper noun recognition;framework structure, attribute tagging, error-driven leaming, rule and inst ance)