About: darpa grand challenge

Premodifier: darpa grand
Head noun: challenge

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

Broader concepts

label	provenance	confidence
competition	isap:986197	0.536877
contest	isap:25981567	0.498502
event	isap:15896151	0.350237

Narrower concepts

label	provenance	confidence