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

<http://astrothesaurus.org/uat/1461>
  skos:prefLabel "Single x-ray stars"@en ;
  a skos:Concept ;
  skos:broader <http://astrothesaurus.org/uat/1823> .

<http://astrothesaurus.org/uat/460>
  skos:prefLabel "Emission line stars"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/1823> .

<http://astrothesaurus.org/uat/1823>
  skos:broader <http://astrothesaurus.org/uat/460> ;
  skos:prefLabel "X-ray stars"@en ;
  skos:narrower <http://astrothesaurus.org/uat/1461> ;
  a skos:Concept .