About: area of a circle

Head noun: area
Postmodifier: of a circle

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

Broader concepts

label	provenance	confidence
thing	isap:88828889	0.439326
problem	isap:3738456	0.303924
pi	isap:515313310	0.256142

Narrower concepts

label	provenance	confidence