@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 rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .

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

relations:references
  owl:equivalentProperty <http://id.loc.gov/ontologies/bibframe/references> ;
  rdfs:domain <http://id.loc.gov/ontologies/bibframe/Work> ;
  rdfs:range <http://id.loc.gov/ontologies/bibframe/Work> ;
  skos:editorialNote "May add 'uses code/software (from somewhere else, like an r package)', 'cites' later. At crossref and datacite, property is 'relation': 'references'."@en ;
  skos:broader relations:isRelatedTo ;
  skos:exactMatch <http://id.loc.gov/ontologies/bibframe/references> ;
  skos:narrower relations:hasSubjectWork, relations:hasDataSource, relations:usesTest ;
  skos:scopeNote "Relates a work to a work that it makes extensive reference to but is not a direct transformation/derivative of it: a study that reused data from another work, a review of a work, a comment or reply, a journal article that cites a book."@en ;
  skos:inScheme relations: ;
  skos:prefLabel "references"@en, "nimmt Bezug auf"@de ;
  a rdf:Property, skos:Concept .

relations:isReferencedBy owl:inverseOf relations:references .
relations:hasSubjectWork
  skos:prefLabel "has subject work"@en, "hat Werk als Thema"@de ;
  a skos:Concept ;
  skos:broader relations:references .

relations:hasDataSource
  skos:prefLabel "has data source"@en, "hat Datenquelle"@de ;
  a rdf:Property, skos:Concept ;
  skos:broader relations:references .

relations:usesTest
  skos:notation "Test 001" ;
  skos:prefLabel "uses test"@en, "verwendet Test"@de ;
  a rdf:Property, skos:Concept ;
  skos:broader relations:references .

relations:isRelatedTo
  skos:notation "Rel 010" ;
  skos:prefLabel "steht in Beziehung zu"@de, "is related to"@en ;
  a owl:SymmetricProperty, rdf:Property, skos:Concept ;
  skos:narrower relations:references .