About: operation system

Premodifier: operation
Head noun: system

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

Broader concepts

label	provenance	confidence
software	isap:104888656	0.621639
program	isap:445380190	0.438231
application	isap:452497321	0.332486
problem	isap:444994401	0.319922

Narrower concepts

label	provenance	confidence
windows xp	isap:108324286	0.906738
windows vista	isap:163691768	0.850787
linux	isap:158881882	0.615584
android	isap:274957784	0.569320
windows	isap:268134537	0.561880
windows 95	isap:268134994	0.554998
mac os	isap:108100590	0.545492
window	isap:390308735	0.541054
pc	isap:107453612	0.449868
tablet computer	isap:479763553	0.448009
mac	isap:212856954	0.434245
invoicing	isap:135503098	0.391268
vista	isap:163691793	0.377623
gnu/linux	isap:135473934	0.345433
unix	isap:309635972	0.202906