About: apple os x

Premodifier: apple os
Head noun: x

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

Broader concepts

label	provenance	confidence
unix variant	isap:299452593	0.539870
system	isap:54053733	0.502530
operating system	isap:54053835	0.437963

Narrower concepts

label	provenance	confidence