About: def con

Premodifier: def
Head noun: con

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

Broader concepts

label	provenance	confidence
research at lead conference	isap:332306190	0.707875
event	isap:470381034	0.618051
convention	isap:239140736	0.583744
hacker conference	isap:237672058	0.414758

Narrower concepts

label	provenance	confidence