About: microsoft windows os

Premodifier: microsoft windows
Head noun: os

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

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
windows vista	isap:240458951	0.720100
windows xp	isap:55053714	0.695422
windows 7	isap:55890897	0.634498