@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

skos:altLabel
  rdfs:subPropertyOf rdfs:label ;
  skos:definition "An alternative lexical label for a resource."@en ;
  rdfs:comment "skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise disjoint properties."@en, "The range of skos:altLabel is the class of RDF plain literals."@en ;
  rdfs:label "alternative label"@en .

<http://ldf.fi/ammo/sources/hisclass>
  skos:prefLabel "Maas, I., & Van Leeuwen, M. H. (2005). Total and relative endogamy by social origin: A first international comparison of changes in marriage choices during the nineteenth century." ;
  a dc:BibliographicResource .

skos:Concept
  rdfs:label "Concept"@en ;
  a owl:Class .

<http://ldf.fi/ammo/hisco/hisclass12/13>
  dc:source <http://ldf.fi/ammo/sources/hisclass> ;
  skos:prefLabel "Muut Ammattitaidottomat työntekijät"@fi, "Unskilled workers not specified"@en ;
  skos:altLabel "13" ;
  a skos:Concept .

skos:prefLabel
  rdfs:subPropertyOf rdfs:label ;
  skos:definition "The preferred lexical label for a resource, in a given language."@en ;
  rdfs:comment """skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise
      disjoint properties."""@en, "The range of skos:prefLabel is the class of RDF plain literals."@en, "A resource has no more than one value of skos:prefLabel per language tag, and no more than one value of skos:prefLabel without language tag."@en ;
  rdfs:label "preferred label"@en .