About: air traffic control system

Premodifier: air traffic control
Head noun: system

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

Broader concepts

label	provenance	confidence
aviation infrastructure	isap:472018931	0.742597
federal government	isap:19677945	0.728246
critical infrastructure	isap:472018808	0.690714
government	isap:19677942	0.536757
infrastructure	isap:472018800	0.510029
operation	isap:419938229	0.465649
equipment	isap:424396686	0.394194

Narrower concepts

label	provenance	confidence
air traffic control	isap:268831197	0.729399
star	isap:301218389	0.410000