About: many different operating system

Premodifier: many different operating
Head noun: system

Same concepts

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
microsoft windows	isap:268135119	0.833865
windows xp	isap:108324352	0.795358
unix	isap:309635984	0.505126
window	isap:390308750	0.403291