About: world solar challenge

Premodifier: world solar
Head noun: challenge

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

Broader concepts

label	provenance	confidence
new improvement	isap:208963	0.585509
competition	isap:986128	0.472759
race	isap:151480094	0.427542

Narrower concepts

label	provenance	confidence