@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://culturaitalia.it/pico/thesaurus/4.3#quando>
  skos:topConceptOf <http://culturaitalia.it/pico/thesaurus/4.3> ;
  skos:narrower <http://culturaitalia.it/pico/thesaurus/4.3#periodi_storico_culturali>, <http://culturaitalia.it/pico/thesaurus/4.3#periodizzazione_cronologica>, <http://culturaitalia.it/pico/thesaurus/4.3#scala_temporale_geologica> ;
  skos:inScheme <http://culturaitalia.it/pico/thesaurus/4.3> ;
  skos:prefLabel "when"@en, "quando"@it ;
  a skos:Concept .

<http://culturaitalia.it/pico/thesaurus/4.3#periodizzazione_cronologica>
  skos:prefLabel "Chronological division"@en, "Periodizzazione cronologica"@it ;
  a skos:Concept ;
  skos:broader <http://culturaitalia.it/pico/thesaurus/4.3#quando> .

<http://culturaitalia.it/pico/thesaurus/4.3#scala_temporale_geologica>
  skos:prefLabel "Geological time scale"@en, "Scala temporale geologica"@it ;
  a skos:Concept ;
  skos:broader <http://culturaitalia.it/pico/thesaurus/4.3#quando> .

<http://culturaitalia.it/pico/thesaurus/4.3>
  a skos:ConceptScheme ;
  skos:hasTopConcept <http://culturaitalia.it/pico/thesaurus/4.3#quando> .

<http://culturaitalia.it/pico/thesaurus/4.3#periodi_storico_culturali>
  skos:prefLabel "Historical / cultural periods"@en, "Periodi storico / culturali"@it ;
  a skos:Concept ;
  skos:broader <http://culturaitalia.it/pico/thesaurus/4.3#quando> .