About: optical medium

Premodifier: optical
Head noun: medium

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

Broader concepts

label	provenance	confidence
medium	isap:386483104	0.540087

Narrower concepts

label	provenance	confidence
floppy disk	isap:300119038	0.655339
tape drive	isap:164361579	0.636622
cd	isap:107475938	0.398348
medium	isap:386483135	0.380605
fiber	isap:163356965	0.373197
lens	isap:302402872	0.367588
waveguide	isap:131984692	0.352833
cd-rom	isap:387611069	0.347742
disk	isap:300118857	0.271387
dvd	isap:209228579	0.266400