Premodifier: random
Head noun: selection

Same concepts
http://dbpedia.org/resource/Sampling_(statistics)

Broader concepts

labelprovenanceconfidence
techniqueisap:3511777030.578523
thingisap:138198160.544018
algorithmisap:3525257830.514605
featureisap:255467710.506695
methodisap:1323746580.424779
approachisap:4119756940.354089