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

<http://astrothesaurus.org/uat/302>
  skos:broader <http://astrothesaurus.org/uat/1822> ;
  skos:prefLabel "Cool cores"@en ;
  a skos:Concept .

<http://astrothesaurus.org/uat/1822>
  skos:prefLabel "X-ray sources"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/302> .