@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://concepts.sagepub.com/social-science/concept/databases>
  skos:prefLabel "databases"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/machine_readable_material> .

<https://concepts.sagepub.com/social-science/concept/barcodes>
  skos:prefLabel "barcodes"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/machine_readable_material> .

<https://concepts.sagepub.com/social-science/concept/non_book_materials>
  skos:prefLabel "non book materials"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/machine_readable_material> .

<https://concepts.sagepub.com/social-science/concept/machine_readable_material>
  skos:narrower <https://concepts.sagepub.com/social-science/concept/databases>, <https://concepts.sagepub.com/social-science/concept/barcodes> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/non_book_materials> ;
  skos:prefLabel "machine readable material"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/conceptgroup/concepts>
  a skos:Collection, isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member <https://concepts.sagepub.com/social-science/concept/machine_readable_material> .