图书情报工作 ›› 2020, Vol. 64 ›› Issue (14): 63-73.DOI: 10.13266/j.issn.0252-3116.2020.14.007

• 情报研究 • 上一篇    下一篇

科学知识网络扩散中的社区扩张与收敛模式特征分析——以医疗健康信息领域为例

岳丽欣1, 周晓英1, 刘自强2,3   

  1. 1 中国人民大学信息资源管理学院 北京 100872;
    2 中国科学院成都文献情报中心 成都 610041;
    3 中国科学院大学经济与管理学院图书情报与档案管理系 北京 100190
  • 收稿日期:2020-02-12 修回日期:2020-04-23 出版日期:2020-07-20 发布日期:2020-07-20
  • 通讯作者: 周晓英(ORCID:0000-0002-9116-1525),教授,博士生导师,通讯作者,E-mail:xyz-ruc@qq.com
  • 作者简介:岳丽欣(ORCID:0000-0002-7268-7871),博士研究生;刘自强(ORCID:0000-0003-1814-8655),博士研究生。
  • 基金资助:
    本文系国家自然科学基金项目"医疗健康网站信息可信度与质量控制研究"(项目编号:71473260)和国家社会科学基金项目"健康中国建设中的国民健康促进和健康服务策略研究"(项目编号16AZD021)研究成果之一。

Analysis on the Characteristics of Community Expansion and Convergence Mode in the Diffusion of Scientific Knowledge Network——Take the Field of Medical Health Information as an Example

Yue Lixin1, Zhou Xiaoying1, Liu Ziqiang2,3   

  1. 1 School of Information Resources Management, Renmin University of China, Beijing 100872;
    2 Chengdu Library of Chinese Academy of Sciences, Chengdu 610041;
    3 Department of Library, Information and Archives Management, School of Economics and Management, University of Chinese Academy of Sciences, Beijing 100190
  • Received:2020-02-12 Revised:2020-04-23 Online:2020-07-20 Published:2020-07-20

摘要: [目的/意义] 科学知识网络中知识单元呈现出一定的集群性与社区性,揭示科学知识网络扩散时序变化过程中的社区扩张与收敛的基本模式与特征,对于拓展、深化科学知识扩散与传递规律研究具有一定的意义。[方法/过程] 首先,基于引用关系建立邻接矩阵进而构建学科知识网络,采用复杂网络分析中的Louvain社区探测算法对领域知识网络进行社区划分;然后利用网络表示学习技术进行社区扩张与收敛特征表示与计算;最后以时间序列为逻辑线索,对不同社区的扩张、收敛演变过程进行动态跟踪建模,从而揭示科学知识网络时序变化过程中社区扩张与收敛的基本模式与特征。[结果/结论] 以医疗健康信息领域进行案例研究,研究发现社区扩张模式的发展趋势符合S形曲线函数中的Logistic模型,社区收敛模式的发展趋势符合S形曲线函数中的BiHill模型。

关键词: 知识网络, 社区探测, 网络表示学习, 扩张模式, 收敛模式

Abstract: [Purpose/significance] Knowledge units in scientific knowledge networks show certain clustering and communality, revealing the basic patterns and rules of community expansion and convergence in the process of changing the time series of scientific knowledge networks, which has certain significance for expanding and deepening the research on the diffusion and transmission of scientific knowledge. [Method/process] Firstly, the adjacency matrix was built based on the citation relation, and then the subject knowledge network was constructed. The Louvain community detection algorithm in complex network analysis is used to divide the domain knowledge network into communities. Then, the Graph Embedding technique was used to represent and calculate the community expansion and convergence characteristics. Finally, the time series was used as the time series. Logical clues were used to dynamically track and model the process of expansion and convergence of different communities, so as to reveal the basic patterns and laws of community expansion and convergence in the process of time series change of scientific knowledge network. [Result/conclusion] A case study in the field of health information shows that the trend of community expansion conforms to the Logistic model in the S-shaped curve function and the trend of community convergence conforms to the BiHill model in the S-shaped curve function.

Key words: knowledge network, community detection, graph embedding, expansion model, convergence model

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