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

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

relations:hasComment
  rdfs:domain <http://id.loc.gov/ontologies/bibframe/Work> ;
  rdfs:range <http://id.loc.gov/ontologies/bibframe/Work> ;
  rdfs:subPropertyOf <http://id.loc.gov/ontologies/bibframe/relatedTo> ;
  skos:editorialNote "At crossref and datacite, property name is relation: 'has-comment' (JSON) or 'hasComment' (XML Schema)."@en ;
  skos:broader relations:hasEvaluation ;
  skos:narrower relations:hasReplyToComment ;
  skos:inScheme relations: ;
  skos:prefLabel "has comment"@en, "hat Kommentar"@de ;
  a rdf:Property, skos:Concept .

relations:hasReplyToComment
  skos:prefLabel "has reply to comment"@en, "hat Antwort auf Kommentar"@de ;
  a rdf:Property, skos:Concept ;
  skos:broader relations:hasComment .

relations:hasEvaluation
  skos:prefLabel "has evaluation"@en, "hat Evaluierung"@de ;
  a rdf:Property, skos:Concept ;
  skos:narrower relations:hasComment .

relations:isCommentOn owl:inverseOf relations:hasComment .