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

<http://culturaitalia.it/pico/thesaurus/4.3#proterozoico>
  skos:scopeNote "c. 2500-542 Ma"@en, "c.ca 2500-542 Ma"@it ;
  skos:broader <http://culturaitalia.it/pico/thesaurus/4.3#scala_temporale_geologica> ;
  skos:inScheme <http://culturaitalia.it/pico/thesaurus/4.3> ;
  skos:prefLabel "Proterozoic"@en, "Proterozoico"@it ;
  a skos:Concept .

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

<http://culturaitalia.it/pico/thesaurus/4.3> a skos:ConceptScheme .