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	核聚变材料	material, metal, hydrogen, process, film, reaction, temperature, powder, isotope, fusion
Topic 1	磁约束聚变磁场系统	magnetic, field, coil, plasma, toroidal, system, magnet, region, chamber, confinement
……	……	……
Topic 16	偏滤器电极结构	plate, electrode, surface, metal, structure, hole, cavity, body, upper, lower

Table 1 Topics recognized by the LDA 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 2 Topics recognized by BERTopic 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