About: optical switching

Premodifier: optical
Head noun: switching

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

Broader concepts

label	provenance	confidence
application	isap:478355	0.812091
various application	isap:478372	0.754309
technology	isap:42835008	0.668824
function	isap:409779773	0.547259
device	isap:134529047	0.389068

Narrower concepts

label	provenance	confidence