About: unmanned aerial system

Premodifier: unmanned aerial
Head noun: system

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

Broader concepts

label	provenance	confidence
technology	isap:17874550	0.613134
reconnaissance	isap:471465748	0.494169

Narrower concepts

label	provenance	confidence
predator	isap:481437313	0.507209