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

<http://astrothesaurus.org/uat/550>
  skos:broader <http://astrothesaurus.org/uat/1550> ;
  skos:prefLabel "Friedmann-Robertson-Walker metric"@en ;
  a skos:Concept .

<http://astrothesaurus.org/uat/1550>
  skos:prefLabel "Spacetime metric"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/550> .