About: worst president ever

Premodifier: worst president
Head noun: ever

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

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
bush	isap:171746675	0.291937
reagan	isap:494528544	0.282152