Premodifier: security
Head noun: checkpoint

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

Broader concepts

labelprovenanceconfidence
applicationisap:3158141410.602073
thingisap:4759256250.555708
sisap:411165750.477840
itemisap:5067407360.447112
airportisap:2206735290.395850
breezeisap:2547756290.317677

Narrower concepts

labelprovenanceconfidence
border crossingisap:1803158480.741982
airportisap:2423779020.445934
peopleisap:214247790.332122
clothingisap:1821661380.250260
roadisap:1885522530.220227