Premodifier: piece
Head noun: rate

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

Broader concepts

labelprovenanceconfidence
conditionisap:2871924530.519473
methodisap:3074061490.449466
incentiveisap:2890015730.321900
rateisap:1783282420.208838

Narrower concepts

labelprovenanceconfidence