About: optical disk device

Premodifier: optical disk
Head noun: device

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

Broader concepts

label	provenance	confidence
optical disk device	isap:396594013	0.744432
storage device	isap:396590831	0.683098

Narrower concepts

label	provenance	confidence
optical disk device	isap:396594013	0.744432
cd-rom	isap:387281622	0.479171
dvd	isap:213850941	0.408034