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vertex

EXPRESS specification:

ENTITY vertex
SUBTYPE OF ( topological_representation_item);
END_ENTITY;

References (7):

Name Type Referred through Express-G
edge Entity
Attribute 'edge_start'
Attribute 'edge_end'
No Diagram
oriented_edge Entity
Attribute 'edge_start'
Attribute 'edge_end'
No Diagram
topological_representation_item Entity
Subtype
No Diagram
vertex_loop Entity
Attribute 'loop_vertex'
No Diagram
vertex_point Entity
Supertype
No Diagram

Inheritance graph

ENTITY vertex;
ENTITY representation_item;
name  :  label;
ENTITY topological_representation_item;
ENTITY vertex;
END_ENTITY;