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*

图书与情报 ›› 2025, Vol. 45 ›› Issue (05) : 34-46. DOI: 10.11968/tsyqb.1003-6938.2025056

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Topic Mining and Evolution Analysis of the Key Science and Technology Funding Projects of the US Department of Defense Based on the BERTopic Model

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{{article.zuoZheCn_L}}. {{article.title_cn}}. {{journal.qiKanMingCheng_CN}}. 2025, 45(05): 34-46 https://doi.org/10.11968/tsyqb.1003-6938.2025056

{{article.zuoZheEn_L}}. {{article.title_en}}. {{journal.qiKanMingCheng_EN}}. 2025, 45(05): 34-46 https://doi.org/10.11968/tsyqb.1003-6938.2025056

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