About: ohio river valley

Premodifier: ohio river
Head noun: valley

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

Broader concepts

label	provenance	confidence
region	isap:397181678	0.379202
midwest	isap:442099616	0.338551

Narrower concepts

label	provenance	confidence
kentucky	isap:484111015	0.492070