摘要
检索CNKI优秀硕士论文数据库中情报学专业的相关文献,利用BICOMB提取关键词,计算高频关键词的词篇矩阵和共现矩阵,利用SPSS进行聚类,并根据聚类结果绘制战略坐标图。指出情报学硕士论文的研究热点,并讨论战略坐标计算中矩阵对角线取值问题。
The paper retrieves master＇s dissertation from CNKI database, after keyword extraction by BICOMB, it provides words matrix and co - occurrence matrix of high - frequency keywords. Then it uses SPSS to make cluster analysis and draws strategic diagram according to clustering results. The hotspots of master＇s dissertation are pointed out, the values of matrix diagonal are discussed.
出处
《医学信息学杂志》
CAS
2012年第2期44-47,共4页
Journal of Medical Informatics
关键词
情报学
硕士学位论文
共词聚类分析
战略坐标
Information science
Master＇s dissertation
Co- word clustering analysis
Strategic diagram
