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【目的/意义】以主题为粒度,本文剖析交叉学科的主题结构及其内部传统学科间知识合作模式。【方法/过程】以数字图书馆学科为交叉学科示例,对集成数据集运用潜在主题模型识别主题,通过主题共现网络分析其主题结构,以此探寻传统学科中的研究基础,进而利用主题类型共现网络揭示不同传统学科之间的知识合作模式。【结果/结论】数字图书馆学科中的多个主题萌发于传统学科,研究对象组合和借鉴传统学科的研究成果作为技术手段是数字图书馆学研究中重要的主题合作模式。
[Purpose / Significance] Taking the theme as the granularity, this paper analyzes the theme structure of interdisciplinary and its internal traditional modes of knowledge cooperation among disciplines. [Method / Process] Taking the digital library discipline as an interdisciplinary example, this paper uses latent topic models to identify topics in integrated data sets and analyzes its thematic structure through the topic co-occurrence network so as to explore the basis of the research in traditional disciplines and further utilize the topic types The co-occurrence network reveals the modes of knowledge cooperation between different traditional disciplines. [Results / Conclusion] Many topics in the digital library discipline germinated in the traditional subjects, the combination of research objects and the research results of traditional subjects as technical means are the important thematic cooperation modes in digital library science research.