Metro Traffic Flow Prediction via Knowledge Graph and Spatiotemporal Graph Neural Network

Table 3

Main entities and relation in the pretrained traffic knowledge graph.

Core entity	Relation	Related entity	Type
Station	closeTo	Station	Static entity
Station	belongTo	Line	Static entity
Station	belongTo	Area	Static entity
Station	closeTo	POI	Static entity
Station	influencedBy	Weather	Dynamic entity
Station	influencedBy	Event	Dynamic entity