Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/40010
Title: Company name identification in Chinese financial domain
Other Titles: 中文金融新闻中公司名的识别
Authors: Wang, N
Ge, RF
Yuan, CF
Wong, KF
Li, WJ 
Keywords: Company name
Financial domain
Named entity identification
Information extraction
Issue Date: 2002
Publisher: 中国中文信息学会 ; 北京信息工程学院
Source: 中文信息学报 (Journal of Chinese information processing), 2002, v. 16, no. 2, p. 1-6 How to cite?
Journal: 中文信息学报 (Journal of Chinese information processing) 
Abstract: 在金融领域信息抽取中 ,公司名扮演着非常重要的角色 ;因此如何正确识别文本中出现的公司名是一个非常重要的研究课题。在对金融新闻文本进行了深入地分析和研究的基础上 ,总结出了公司名的结构特征及其上下文信息 ,建立了六个用于识别公司名的知识库 ,并提出了一个基于两次扫描过程的识别策略。初步实验结果表明 ,在封闭测试中实验系统公司名识别的精确率可以达到 97 3% ,召回率可达 89 3% ;在开放测试中精确率可以达到 6 2 8% ,召回率可达 6 2 1%。 
Identifying company names in running texts plays a significant role in financial information extraction.Based on the thoroughly investigations of financial articles,the relevant structural features and contextual constraints were obtained.In this paper,a company name identification system is proposed,which is built on the six knowledge bases and a twice scan method.The experiment achieved 97 3% precision and 89 3% recall respectively by close test,and 62 8% precision and 62 1% recall respectively by open test. 
URI: http://hdl.handle.net/10397/40010
ISSN: 1003-0077
Rights: © 2002 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research use.
© 2002 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。
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