Premodifier: sampling
Head noun: bias

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

Broader concepts

labelprovenanceconfidence
issueisap:863184520.563091
factorisap:3000283240.518191
peopleisap:3030195010.243524
methodisap:3013284260.201321

Narrower concepts

labelprovenanceconfidence
caseisap:1678400840.150971