@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:hasPreregistration
  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/accompaniedBy> ;
  skos:editorialNote "At crossref and DataCite, property name for relationship to a 'protocol' is 'has-related-material' (JSON) or 'hasRelatedMaterial (XML Schema)."@en ;
  skos:broader relations:isSubjectOfWork, relations:isAugmentedBy ;
  skos:inScheme relations: ;
  skos:prefLabel "has preregistration"@en, "hat Präregistrierung"@de ;
  a rdf:Property, skos:Concept .

relations:isPreregistrationFor owl:inverseOf relations:hasPreregistration .
relations:isSubjectOfWork
  skos:prefLabel "is subject of work"@en, "ist Thema des Werks"@de ;
  a rdf:Property, skos:Concept ;
  skos:narrower relations:hasPreregistration .

relations:isAugmentedBy
  skos:prefLabel "is augmented by"@en, "wird erweitert durch"@de ;
  a rdf:Property, skos:Concept ;
  skos:narrower relations:hasPreregistration .