Analysis of Traffic Accident Based on Knowledge Graph

Table 1

Core concepts in the field of traffic accidents.

Name of concept	Coding of concepts	Optional attributes of entities in a concept
Accident itself	ACCIDENT	Time of occurrence (year, month, day, hour, minute, second), number of deaths, number of injuries, direct economic losses, etc.
People involved	PEOPLE	Age, sex, negligent act, illegal act, etc.
Vehicles involved	VEHICLE	Model, color, brand, etc.
Traffic environment	ENVIRONMENT	Weather, lighting, etc.
Road	ROAD	The level of the road, the length of the road, condition of road surface, etc.
Traffic management department	DEPARTMENT	Qualitative description
Cause of accident	CAUSE	Qualitative description
Nature of accident	NATURE	Qualitative description
Determination of accident liability	JUDGMENT	Qualitative description