About: ground breaking

Premodifier: ground
Head noun: breaking

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

Broader concepts

label	provenance	confidence
event	isap:360124828	0.529878
anything	isap:61759133	0.240778
none	isap:382915366	0.225190

Narrower concepts

label	provenance	confidence
year	isap:460662146	0.202963