基于引用背景信息的关键词自动抽取方法研究  

Research on the Automatic Keyword Extraction Method Based on the Citation of Background Information

作　　者：宋宇[1] 罗准辰[1] 真溱[1] 

机构地区：[1]中国国防科技信息中心,北京100142

出　　处：《情报理论与实践》2016年第11期121-125,共5页Information Studies:Theory & Application

摘　　要：科技文献间的引用关系把关系密切、具有相似主题的文献联系在一起。通过引用关系可以获得文献的引用背景信息。引用背景信息有助于对科技文献内容的理解。文章提出了一种基于引用关系构造引用背景信息,用来改进关键词自动抽取效果的方法,并通过实验验证了方法的有效性。The citation relationship among scientific literatures connects literatures with closely relationship and similar topics. The information of background citation of literature is obtained through the citation relationship. The citation of background information is useful to understand the content of scientific literature. This paper proposes a method to construct information of background citation based on citation relationship, which in order to improve the effect of automatic keyword extraction. The experimental result shows the effectiveness of the proposed method.

关 键 词：自动抽取 关键词 科技文献 引用 

分 类 号：TP391.1[自动化与计算机技术—计算机应用技术]