@prefix relations: <https://w3id.org/zpid/vocabs/relations/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .

relations:
  skos:prefLabel "Resource Relations"@en, "Ressourcenbeziehungen"@de ;
  a skos:ConceptScheme .

relations:isSpecialIssueOfJournal
  skos:broader relations:isPartOfJournal ;
  skos:inScheme relations: ;
  skos:prefLabel "ist Sonderheft der Zeitschrift"@de, "is special issue of journal"@en ;
  a rdf:Property, skos:Concept .

relations:isPartOfJournal
  skos:prefLabel "ist Teil der Zeitschrift"@de, "is part of journal"@en ;
  a rdf:Property, skos:Concept ;
  skos:narrower relations:isSpecialIssueOfJournal .