Fig 1.
Overall analysis framework diagram.
Fig 2.
DTM topic words.
Fig 3.
Analysis of topic coherence.
Table 1.
Topic words.
Table 2.
Distribution of literature proportions by research perspective and stage.
Table 3.
Stable topics.
Fig 4.
Evolution paths of topics in cybersecurity.
Table 4.
Topics-topic words.
Fig 5.
Example of topic evolution types.
Table 5.
Generation type topics.
Table 6.
Disappearance type topics.
Table 7.
Topic revisit matrix.
Table 8.
Proportion of literature by topic revisited.