@prefix relations: <https://w3id.org/zpid/vocabs/relations/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

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

relations:isPartOfSeries
  owl:equivalentProperty <http://id.loc.gov/ontologies/bibframe/hasSeries> ;
  skos:broader relations:isPartOf ;
  skos:exactMatch <http://id.loc.gov/ontologies/bibframe/hasSeries> ;
  skos:narrower relations:isBookInSeries, relations:isPartOfJournal ;
  skos:inScheme relations: ;
  skos:prefLabel "ist Teil der Reihe"@de, "is part of series"@en ;
  a rdf:Property, skos:Concept .

relations:isArticleInJournal rdfs:subPropertyOf relations:isPartOfSeries .
relations:isBookInSeries
  skos:prefLabel "ist Buch der Buchreihe"@de, "is book in series"@en ;
  a rdf:Property, skos:Concept ;
  skos:broader relations:isPartOfSeries .

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

relations:isPartOf
  skos:prefLabel "is part of"@en, "ist Teil von"@de ;
  a rdf:Property, skos:Concept ;
  skos:narrower relations:isPartOfSeries .