@prefix contributorroles: <https://ddialliance.org/Specification/DDI-CV/ContributorRole_1.0.html> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

contributorroles:#SampleSelection
  skos:definition "Selecting units from the target population."@en ;
  skos:notation "SampleSelection" ;
  skos:topConceptOf contributorroles: ;
  skos:inScheme contributorroles: ;
  skos:prefLabel "Sample selection"@en ;
  a skos:Concept .

contributorroles:#ProjectOrStudyDesignSamplingDesign skos:related contributorroles:#SampleSelection .
contributorroles:
  skos:notation "ContributorRole" ;
  a skos:ConceptScheme ;
  skos:hasTopConcept contributorroles:#SampleSelection .