About: private security contractor

Premodifier: private security
Head noun: contractor

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

Broader concepts

label	provenance	confidence
contractor	isap:400560028	0.569732

Narrower concepts

label	provenance	confidence
blackwater worldwide	isap:42205302	0.805169
blackwater	isap:400475769	0.746470