Study on Solution to Redundancy of Scientific Literature Keywords
Xing Meifeng
National Science Library, Chinese Academy of Sciences, Beijing 100190, China; Graduate University of Chinese Academy of Sciences, Bejing 100049, China; Jinzhong University Library, Jinzhong 030600, China
Abstract：Irregular keywords often cause high redundancy in the same research topic. To address the issue, this paper proposes an improved keywords selection algorithm based on similarity calculation. It re-segments keywords using field dictionary and common-sense knowledge database thesaurus. When the total semantic similarity is greater than a given threshold, the two compared keywords are considered to express the same meaning, then merging and keeping only one of them in library,which achieves the purpose of the dimension reduction. Finally, experimental results show the effectiveness of the method.
邢美凤. 科技文献关键词冗余解决方案研究[J]. 现代图书情报技术, 2012, 28(1): 34-39.
Xing Meifeng. Study on Solution to Redundancy of Scientific Literature Keywords. New Technology of Library and Information Service, 2012, 28(1): 34-39.
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