About: vehicle navigation system

Premodifier: vehicle navigation
Head noun: system

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

Broader concepts

label	provenance	confidence
application	isap:452497113	0.582277
device	isap:389373506	0.394868
information	isap:453392170	0.181706

Narrower concepts

label	provenance	confidence