收稿日期: 2013-11-05
修回日期: 2013-12-05
网络出版日期: 2014-01-05
基金资助
本文系教育部科技发展中心“网络时代的科技论文快速共享”专项研究资助课题（项目编号20120240001）研究成果之一。
Extraction of Keywords with Citation Information
Received date: 2013-11-05
Revised date: 2013-12-05
Online published: 2014-01-05
陈翀 , 罗鹏程 , 汪十红 . 利用引用信息的关键词提取[J]. 图书情报工作, 2014 , 58(01) : 101 -108,116 . DOI: 10.13266/j.issn.0252-3116.2014.01.015
This paper proposes a new method for keywords extraction with citation information. The relationship between candidate terms and citing papers are abstracted to a bipartite, the import score is computed with the general Co-HITS until convergence, and the top scored terms are selected as the extracted keywords. The paper abstracts dataset classified into "information system" during 2002-2011 crawled from ACM digital library is evaluated. The result shows that the method performs better than the state-of-art graph-based method. This method suits for scientific literature and other type of text collection containing rich links. The keywords extracted with it can reflect both the main topics of the original document and the focus outside it.
Key words： keyword extraction; citation text; Co-HITS
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