About: relative speed

Premodifier: relative
Head noun: speed

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

Broader concepts

label	provenance	confidence
factor	isap:153196182	0.683398
object	isap:153307427	0.506804
speed	isap:371435459	0.356215

Narrower concepts

label	provenance	confidence
speed	isap:371435447	0.425626