科技情报研究2025，Vol.7Issue(4)：122-132,11.DOI:10.19809/j.cnki.kjqbyj.2025.04.012
基于结构主题模型的美国智库涉华成果主题挖掘与演化分析
Topic Mining and Evolution Analysis of American Think Tanks'Products on China Based on Structural Topic Model
摘要
Abstract
[Purpose/significance]Under the background of the overall strategic competition between the United States and China,measuring and analyzing the topics and trends of American think tanks'products on China is conducive to understanding the American perception and policy moves towards China.It holds important heuristic significance for coping with external risks,maintaining national security and strategizing for development.[Method/process]Using the full data of research outputs on China from 11 American think tanks as the research sample,this paper explores the topics and evolutionary trends of American think tanks'products on China,as well as their correlation with China-US economic and diplomatic interactions,through the Structural Topic Model(STM).[Result/conclusion]American think tanks have shown a high level of attention to China in recent years.Their focus centers on six broad categories encom-passing 26 themes,such as international affairs of China,China economy,China technology,China-US relations and so on.Different topics show different temporal evolutionary trends,and they have significant correlations with China-US economic and diplomatic interactions.关键词
美国智库/涉华报告/结构主题模型/主题挖掘/主题演化Key words
American think tanks/China-related reports/structural topic model/topic mining/topic evolution分类
社会科学引用本文复制引用
沈易,巴志超,李纲..基于结构主题模型的美国智库涉华成果主题挖掘与演化分析[J].科技情报研究,2025,7(4):122-132,11.基金项目
国家社会科学基金重大项目"情报学视角下的科技安全领域国家竞争研究"(编号:23&ZD222) （编号:23&ZD222）
