Premodifier: september
Head noun: 11th

Same concepts
http://dbpedia.org/resource/September_11

Broader concepts

labelprovenanceconfidence
eventisap:914955300.607218
dayisap:1283838360.496579
disasterisap:4569809710.362392
anythingisap:4610319510.362221
timeisap:1790053360.341513
chanceisap:3078775860.333643
countryisap:29240700.295313

Narrower concepts

labelprovenanceconfidence
peopleisap:4915581510.251579