About: third rail

Premodifier: third
Head noun: rail

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

Broader concepts

label	provenance	confidence
electric apparatus	isap:290540941	0.724360
track	isap:96014440	0.476601

Narrower concepts

label	provenance	confidence
social security	isap:383121958	0.404349
israel	isap:495376903	0.272875
tax	isap:248632980	0.215301