基于关键词共现频率的热点分析方法研究 |
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引用本文: | 吴晓秋,吕娜.基于关键词共现频率的热点分析方法研究[J].情报理论与实践,2012,35(8):115-119. |
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作者姓名: | 吴晓秋 吕娜 |
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作者单位: | 北京理工大学图书馆,北京,100081 |
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基金项目: | 教育部人文社会科学基金项目“基于科技监测理论的学科知识服务研究”的成果,项目编号:09YJC870005 |
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摘 要: | 关键词共现可以有效地反映学科领域的研究热点,为科学研究提供辅助支持。文章系统梳理基于共现频率的共词分析相关度算法、聚类算法、可视化方法等,评价现有聚类算法,并针对k-means聚类算法提出改进构想。
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关 键 词: | 共现频率 聚类算法 分析方法 |
Research on the Hot Spot Analysis Method Based on Keyword Co-occurrence Frequency |
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Institution: | Wu Xiaoqiu et al. |
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Abstract: | Abstract:Keyword co-occurrence can effectively reflect the research focus in the disciplinary field,and provide auxiliary support for scientific research.This article systematically summarizes the correlation algorithms,clustering algorithms and visualization methods of co-word analysis based on co-occurrence frequency,evaluates the existing clustering algorithms,and proposes some ideas for improving the k-means clustering algorithm. |
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Keywords: | keyword co-occurrence frequency clustering algorithm analysis method |
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