About: selective availability

Premodifier: selective
Head noun: availability

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

Broader concepts

label	provenance	confidence
factor	isap:82206058	0.672205
error	isap:68552617	0.521833
term	isap:409298047	0.443733

Narrower concepts

label	provenance	confidence