Fig.1

Comprehensive score comparison of various graph databases"

Table 1

Comparison of knowledge graph recommendation system methods"

Fig.2

The overall architecture of online education resource recommendation system"

Table 2

Entity information"

Table 3

Entity relationship information"

Fig.3

Schematic diagram of knowledge graph"

Fig.4

The structure diagram of strong correlation"

Fig.5

The structure diagram of weak correlation"

Fig.6

The structure diagram of systematic query"

Fig.7

The schematic diagram of RotatE Model modeling"

Table 4

Comparison of similarity calculation methods"

Fig.8

The structure diagram of pre-position and post-position knowledge point query"

Fig.9

The flowchart of learning path recommendation"

Fig.10

The flowchart of graph embedding model recommendation"

Fig.11

The flowchart of pre-position and post-position knowled-ge point recommendation"

Fig.12

The comparison chart of coverage"

Fig.13

The comparison chart of class category coverage"

Fig.14

World Geography - Greece"

Fig.15

Application of propositional logic reasoning"

Fig.16

Visualization of “World Geography - Greece”"

Fig.17

Visualization of “Application of propositional logic reas-oning”"

Table 5

Some recommendation results of knowledge graph emb-edded"

Fig.18

The pre-position knowledge point of “World Geography - Greece”"

Fig.19

The post-position knowledge point of “World Geography - Greece”"

Fig.20

The pre-position knowledge point of “Application of pro-positional logic reasoning”"

Fig.21

The post-position knowledge point of “Application of pr-opositional logic reasoning”"