1. First, make sure that your research purpose is to be a research hotspot and research trend in a field. If so, congratulations, you can choose this software.

2. Then, determine the data source. Whether it is the document of HowNet, WOS or other databases, the document data is exported according to the format required by the software.

3. Finally, if you decide to do keyword frequency analysis, intermediary centrality analysis, * * * occurrence analysis, cluster analysis, time zone diagram analysis and emergent word analysis.

Disadvantages:

1, once converted to wos format, forget all cnki and cssci formats.

2. Due to the limitation of cnki database, COA analysis can generally be performed, but DCA analysis cannot be performed, which may lead to inaccurate analysis. The possible reason for inaccuracy is that the keywords are written by themselves, while dca is cited by peers.

3.citespace analysis is to identify the anomalies of conventional science, and we can only observe the changes from A to B (such as the keyword "Industry 4.0" to the keyword "Digital Economy").

So there are at least two possibilities behind this change:

1, the puzzle solving activity is over, and a new round of puzzle solving.

2. Paradigm transformation (scientific revolution caused by abnormality).