About: closed source

Premodifier: closed
Head noun: source

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

Broader concepts

label	provenance	confidence
software	isap:103138457	0.531743

Narrower concepts

label	provenance	confidence
microsoft	isap:136600201	0.463318
skype	isap:163663636	0.400379
windows	isap:266252321	0.309317
game	isap:310923445	0.287678