@prefix n9j: <http://data.loterre.fr/ark:/67375/N9J> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

n9j:-concepts
  a isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member n9j:-SP4RNNSJ-V .

n9j: a skos:ConceptScheme .
n9j:-JSBQ4GZ7-5
  skos:prefLabel "penal systems"@en ;
  a skos:Concept ;
  skos:narrower n9j:-SP4RNNSJ-V .

n9j:-SP4RNNSJ-V
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/federal_prison_system> ;
  skos:definition "The federal prison system holds offenders who have been convicted of federal crimes. It is currently one of the biggest prison systems in the country, with more than 175,000 inmates. [Source: Encyclopedia of Prisons & Correctional Facilities; Federal Prison System]"@en ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-JSBQ4GZ7-5 ;
  skos:prefLabel "federal prison system"@en .