Knowledge Management Forum

Research on Identification and Diffusion of Emerging Topics Based on Citation Network and RAG

Tang Xinyu, Chen Wei

Knowledge Management Forum, 2026, 11(1): 76-88. DOI: 10.13266/j.issn.2095-5472.2026.008

主题号	主题名称	关键词
Topic 0	核聚变等离子体反应	nuclear fusion, plasma reaction, hydrogen, ion, magnetic reactor, energy, power
Topic 1	激光光学系统装置	mirror, optical, laser, galvano, light, lens, beam, device, image, system
……	……	……
Topic 24	等离子体位形控制	controller, position, plasma, current, drive, control, vertical, instability, method, shape

Table 4 Topics recognized by BERTopic+Doubao model (part)

Other figure/table from this article

Figure 1 Framework diagram for emerging topic identification and diffusion
Figure 2 Distribution map of patent applications for nuclear fusion technology
Table 1 Topics recognized by the LDA model (part)
Table 2 Topics recognized by BERTopic model (part)
Table 3 Topics recognized by DeepSeek model (part)
Table 5 The number of topics recognized by each topic model
Table 6 Some emerging themes of nuclear fusion technology identified by the theme model
Figure 3 Prompt word framework
Table 7 Analysis of the effect of each theme model in identifying themes
Figure 4 The technology life cycle curves of emerging and non-emerging themes
Figure 5 Standard for dividing theme time periods
Figure 6 The diffusion of emerging and non-emerging themes
Figure 7 The regional diffusion of emerging and non-emerging themes