@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:-events
  a isothes:ConceptGroup ;
  skos:prefLabel "events"@en ;
  skos:member n9j:-R673ZLX5-K .

n9j:-CNQL8BP5-V
  skos:prefLabel "school shootings"@en ;
  a skos:Concept ;
  skos:narrower n9j:-R673ZLX5-K .

n9j:-R673ZLX5-K
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/Columbine_High_School_shooting> ;
  skos:definition "On April 20, 1999, Columbine High School in Littleton, Colorado, was the scene of the most horrific act of school violence in U.S. history. The events that occurred that day were no accident. [Source: Encyclopedia of Murder and Violent Crime; Columbine/Littleton School Shooting]"@en ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-CNQL8BP5-V ;
  skos:prefLabel "Columbine High School shooting"@en ;
  skos:exactMatch <https://en.wikipedia.org/wiki/Columbine_High_School_massacre> .

n9j: a skos:ConceptScheme .