@prefix gacs: . @prefix rdf: . @prefix dc: . @prefix rdfs: . @prefix owl: . @prefix skos: . gacs:def_ccb516d1 rdf:value "A statistical procedure by which random sample data are used to assign a plausible value to an unknown quantity."@en ; dc:source ; a . rdfs:label "Concept definition"@en ; a owl:Class . gacs:C782 skos:definition gacs:def_ccb516d1 .