计算机应用研究2017,Vol.34Issue(10):2915-2918,2945,5.DOI:10.3969/j.issn.1001-3695.2017.10.008
金融领域的事件句抽取
Event sentence extraction in financial field
摘要
Abstract
Event sentence recognition is an important part of the event extraction,and in the financial field,the identification of the company's name is an essential as well as a difficult part of the event sentence recognition.For the event sentence identification in the financial field,this paper first made full use of the Intemet search information to identify the company's name.Secondly,it considered four factors to construct the value of multi-factor expression:the position of the sentence,the information of the company name,the domain verb information and the similarity between sentence and title.Finally,it chosed the financial event sentences from the sentence sets.The experimental results prove the method's feasibility that the correct rate of the company name recognition method is 82.28%,and the recall rate is 68.93%.And the correct rate of event sentence recognition is 66.83%.关键词
公司名识别/事件句/简称/事件抽取Key words
company name identification/event sentence/abbreviation/event extraction分类
信息技术与安全科学引用本文复制引用
李江龙,吕学强,周建设,刘秀磊..金融领域的事件句抽取[J].计算机应用研究,2017,34(10):2915-2918,2945,5.基金项目
2014年度国家社会科学基金委托课题(14@ZH036) (14@ZH036)
北京成像技术高精尖创新中心资助项目(BAICIT-2016003) (BAICIT-2016003)
国家自然科学基金资助项目(61271304,61671070) (61271304,61671070)