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Research on the Measurement of Knowledge Diffusion Speed in Citation Networks

机译：引文网络知识扩散速度测度研究

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摘要

Knowledge diffusion speed has an important influence on knowledge innovation efficiency, especially in the field of science and technology. This paper analyzes the knowledge diffusion process and the connotation of knowledge diffusion speed, and uses the citation network as a model to describe the mechanism of knowledge diffusion. Along with the characteristics of citation itself, the topological parameters of citation networks are defined. By assigning citation lag as the weight of edges, the citation network becomes a sequential network. Based on these ideas, this paper embarks from the topological structure of the citation network, establishes the measurement indexes of knowledge diffusion speed from both an integral perspective and an individual perspective, and reports empirical research. Results show that integral knowledge diffusion speed measurement indexes can reflect the development speed and tendency of a research topic, while individual knowledge diffusion speed measurement indexes can reflect the contribution of a particular work to the development of a research topic. This paper provides new insights regarding the objective and reasonable evaluation of a research topic's evolution process and a scientific paper's value.
机译：知识传播速度对知识创新效率具有重要影响，特别是在科学技术领域。本文分析了知识扩散的过程和知识扩散速度的内涵，并以引文网络为模型来描述知识扩散的机理。除了引文本身的特征外，还定义了引文网络的拓扑参数。通过将引文延迟指定为边的权重，引文网络成为顺序网络。基于这些思想，本文从引文网络的拓扑结构入手，从整体角度和个体角度建立知识扩散速度的度量指标，并进行实证研究。结果表明，整体知识扩散速度测量指标可以反映研究主题的发展速度和趋势，而个体知识扩散速度测量指标可以反映特定工作对研究主题发展的贡献。本文提供了关于客观，合理地评估研究主题的演变过程和科学论文的价值的新见解。

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