关键词词频变化视角下我国“科学数据”领域研究主题演化分析

姜鑫, 王德庄, 马海群

Exploring the Evolution of Scientific Data Research Themes in China from the Perspective of Keywords Frequency Change

Jiang Xin, Wang Dezhuang, Ma Haiqun

现代情报 . 2018, (1): 141 -146,161 . DOI: 10.3969/j.issn.1008-0821.2018.01.021