About: optical signal processing

Premodifier: optical signal
Head noun: processing

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

Broader concepts

label	provenance	confidence
number of application	isap:253904254	0.657095
variety of application	isap:220702486	0.628930
application	isap:315493114	0.587509

Narrower concepts

label	provenance	confidence