About: tractor trailer

Premodifier: tractor
Head noun: trailer

Same concepts
http://dbpedia.org/resource/Semi-trailer_truck

Broader concepts

label	provenance	confidence
large vehicle	isap:428443169	0.857426
commercial vehicle	isap:428443180	0.854456
heavy duty vehicle	isap:428443235	0.776267
large commercial vehicle	isap:428443234	0.772358
other vehicle	isap:428443212	0.733541
heavy equipment	isap:317368677	0.732665
larger vehicle	isap:428443214	0.731061
big truck	isap:32117743	0.727338
big vehicle	isap:428443281	0.725990
heavy vehicle	isap:428443218	0.701189
owner operator	isap:48124988	0.690491
motor vehicle	isap:428443265	0.688938
heavy-duty vehicle	isap:428443233	0.686857
big rig	isap:509199127	0.677725
large truck	isap:32117744	0.671851
commercial truck	isap:32117741	0.646219
fleet of vehicle	isap:36613996	0.626899
vehicle	isap:428443165	0.572520
type of vehicle	isap:72242414	0.555764
delivery vehicle	isap:428443263	0.549639
truck	isap:32117738	0.507158
device	isap:266250723	0.495749
equipment	isap:317368645	0.479127
trailer	isap:434098641	0.475552
car	isap:509101993	0.465907
accident	isap:46647203	0.462838
traffic	isap:433816198	0.392343
road	isap:72436185	0.261965

Narrower concepts

label	provenance	confidence
road	isap:9844379	0.348625
truck	isap:225126697	0.320710
mind	isap:8077070	0.267007
highway	isap:434915000	0.247976
vehicle in question	isap:436224646	0.214866
vehicle	isap:436224631	0.196968
equipment	isap:24911916	0.063009