About: protective system

Premodifier: protective
Head noun: system

Same concepts
http://dbpedia.org/resource/American_School_(economics)

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
design of support system	isap:385218095	0.590704
firewall	isap:480655830	0.463217
sloping	isap:273581294	0.396115
virus	isap:154649709	0.381750