About: sunspot cycle

Premodifier: sunspot
Head noun: cycle

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

Broader concepts

label	provenance	confidence
feature of the sun	isap:228724661	0.618517
factor	isap:159521879	0.447871
solar activity	isap:293118585	0.402874
proxy	isap:372926188	0.370305

Narrower concepts

label	provenance	confidence