About: optical disc drive

Premodifier: optical disc
Head noun: drive

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

Broader concepts

label	provenance	confidence
storage device	isap:156235135	0.771735
random access memory ram	isap:325326712	0.550795
flash memory	isap:163706438	0.424272
system	isap:165088499	0.398561

Narrower concepts

label	provenance	confidence
disc drive	isap:368243568	0.653175
optical disc	isap:93710051	0.474916
dvd	isap:465502965	0.352283