About: underground tunnel

Premodifier: underground
Head noun: tunnel

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

Broader concepts

label	provenance	confidence
obstacle	isap:103358637	0.631500
area	isap:494818567	0.537842
facility	isap:100508232	0.522300
place	isap:117454560	0.397523
mansion	isap:439530505	0.320638

Narrower concepts

label	provenance	confidence
guide	isap:163895948	0.262525
house	isap:155332601	0.054228