About: september 11th attack

Head noun: september
Postmodifier: 11th attack

Same concepts
http://dbpedia.org/resource/September_11_attacks

Broader concepts

label	provenance	confidence
event	isap:12886323	0.716260
major historical event	isap:12886355	0.647555
terrorist attack	isap:136511056	0.593270
recent event	isap:12886352	0.576964
day	isap:487035580	0.371867
example	isap:27035948	0.132770

Narrower concepts

label	provenance	confidence