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	核聚变反应堆技术	plasma, beam, fusion, coil, source, neutron, chamber, reactor, cooling, generator
Topic 1	托卡马克核聚变装置	filing, fusion, reactor, plasma, tokamak, coil, blanket, unit, ferromagnetic, toroidal
……	……	……
Topic 18	氢同位素催化电解技术	grid, housing, nonconductive, electrolyte, inlet, catalytic, hydride, hydrogen, microspheres, plated

Table 2 Topics recognized by BERTopic 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 3 Topics recognized by DeepSeek model (part)
Table 4 Topics recognized by BERTopic+Doubao 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