[Retracted] Summary and Evaluation of the Application of Knowledge Graphs in Education 2007–2020

Table 1

High-frequency keywords.

Keyword	Frequency
Knowledge graphs	826
Research hotspots	199
CiteSpace	167
Visualized analysis	132
Coword analysis	63
Literature metrology	58
Visualization	56
Cluster analysis	35
Bibliometrics	32
Hotspots	31
College students	29
Flipped classroom	28
Entrepreneurship education	28
Research frontiers	27
Scientific knowledge graph	27
Trends	26
Research status	24
Higher education	23
MOOC	21
Social network analysis	21
Research topics	20
Colleges	20
Research trends	18
Development trends	17