同质与差异：基于结构主题模型的美国政府数据开放政策叙事研究
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Homogeneity and Heterogeneity:A Narrative of US Open Government Data Policy Based on Structural Topic Model
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情报理论与实践
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2025, (1): 193
-204
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DOI: 10.16353/j.cnki.1000-7490.2025.01.021
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