基于BERTopic模型的美国国防部关键科技资助项目主题挖掘与演化分析*
杨 阳 郑禧潓 张 雯 李 刚
Topic Mining and Evolution Analysis of the Key Science and Technology Funding Projects of the US Department of Defense Based on the BERTopic Model
Yang Yang Zheng Xihui Zhang Wen Li Gang
图书与情报
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2025, (05): 34
-46
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DOI: 10.11968/tsyqb.1003-6938.2025056
