About: metro system

Premodifier: metro
Head noun: system

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

Broader concepts

label	provenance	confidence
infrastructure project	isap:445226295	0.718212
public transport	isap:420714232	0.500534
infrastructure	isap:472018866	0.490604
station	isap:449554346	0.425514

Narrower concepts

label	provenance	confidence
london underground	isap:143692833	0.635314
red line	isap:302824504	0.583723
train	isap:158855115	0.287541
fare	isap:306272683	0.271678
metro	isap:154778543	0.241806