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

<http://astrothesaurus.org/uat/609>
  skos:prefLabel "Galaxy nuclei"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/581> .

<http://astrothesaurus.org/uat/581>
  skos:altLabel "Circumnuclear matter"@en, "Galactic circumnuclear matter"@en ;
  skos:broader <http://astrothesaurus.org/uat/609> ;
  skos:prefLabel "Galaxy circumnuclear disk"@en ;
  a skos:Concept .