About: onion router

Premodifier: onion
Head noun: router

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

Broader concepts

label	provenance	confidence
technique	isap:424240463	0.426875
example	isap:448398372	0.391698
service	isap:441474955	0.304762

Narrower concepts

label	provenance	confidence
tor	isap:210181763	0.294036