[Retracted] Construction of Knowledge Graph English Online Homework Evaluation System Based on Multimodal Neural Network Feature Extraction

Table 1

Relevant descriptions of the six relationships.

Relationship name	Relationship description
Brotherhood	Some leaf knowledge points have the same parent knowledge point	There is no learning sequence
Connection relation	The relationship between speech nodes and knowledge points
Related relationship	There are no previous relationships between knowledge points	Also have some correlation
Same relationship	Some knowledge points are descriptions of the same concept
Containment relationship	A knowledge point includes B knowledge point	Knowledge point B is a refinement of knowledge point A
Precursor relationship	There is an order relationship between knowledge points	Knowledge point A must be learned before learning knowledge point B