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| Characteristics of Knowledge Diffusion in Disciplinary Citation Network |
| Yue Zenghui1, Xu Haiyun2 |
1. School of Medical Information Engineering, Jining Medical University, Rizhao 276826;
2. Chengdu Documentation and Information Center, Chinese Academy of Sciences, Chengdu 610041 |
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Abstract In the era of the knowledge-driven economy, the diffusion of disciplinary knowledge promotes disciplinary collaboration, integration, development, and innovation. In this paper, the diffusion characteristics of disciplinary knowledge are systematically studied by taking citations as the carrier of the transmission path, so as to explore the rules and patterns of disciplinary knowledge flow and provide a theoretical and empirical basis for the integration, transformation, and innovation of disciplinary knowledge. First, the quantitative measurement of the quantity features of knowledge diffusion is carried out by using 8 measurement indexes. Second, descriptive statistics are selected to describe the diffusion characteristics of disciplinary knowledge from the perspectives of centralization trend, dispersion degree, and distribution form. Third, the betweenness characteristics and the role of the intermediary in the diffusion of disciplinary knowledge are analyzed by applying the method of social network analysis. Finally, an empirical study is further conducted by taking the field of social networking as an example. The research has shown that knowledge exchanges among disciplines in the field of social networks are frequent, in which multidisciplinary sciences, sociology, information science, library science, etc. are active disciplines with strong information and control advantages. The characteristic indexes of disciplinary knowledge diffusion fluctuate in a wide range, with a high degree of dispersion. Information science and library science mainly play the role of liaison, which is an important medium for exchanging knowledge among various disciplines.
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Received: 17 October 2018
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