About: national security letter

Premodifier: national security
Head noun: letter

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

Broader concepts

label	provenance	confidence
request for information	isap:449021010	0.701982
means	isap:122154513	0.540492
information	isap:451953000	0.509849
received	isap:105737983	0.474409
tool	isap:498511561	0.458885
subpoena	isap:104717566	0.431599
patriot act	isap:402798865	0.426540
mechanism	isap:420833647	0.373613

Narrower concepts

label	provenance	confidence
nsl	isap:212611052	0.383818