About: chroma key

Premodifier: chroma
Head noun: key

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

Broader concepts

label	provenance	confidence
special effect	isap:211447145	0.724952
technique	isap:261921420	0.667609
effect	isap:211447144	0.624437
option	isap:212512603	0.421703
color	isap:469386532	0.397698

Narrower concepts

label	provenance	confidence