About: emergency alert

Premodifier: emergency
Head noun: alert

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

Broader concepts

label	provenance	confidence
important information	isap:207050120	0.830636
critical information	isap:207050119	0.769035
information	isap:207050137	0.553755
communication	isap:96410627	0.319077

Narrower concepts

label	provenance	confidence
amber	isap:365345250	0.389876