About: bus accident

Premodifier: bus
Head noun: accident

Same concepts
http://dbpedia.org/resource/Traffic_collision

Broader concepts

label	provenance	confidence
public transportation accident	isap:59983943	0.809412
personal injury case	isap:380953852	0.691044
type of accident	isap:377896217	0.677695
life	isap:379516446	0.493934

Narrower concepts

label	provenance	confidence
second	isap:100866293	0.266493