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

<http://astrothesaurus.org/uat/1227>
  skos:broader <http://astrothesaurus.org/uat/80> ;
  skos:prefLabel "Photographic astrometry"@en ;
  skos:narrower <http://astrothesaurus.org/uat/1226> ;
  a skos:Concept .

<http://astrothesaurus.org/uat/80>
  skos:prefLabel "Astrometry"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/1227> .

<http://astrothesaurus.org/uat/1226>
  skos:prefLabel "Photogrammetry"@en ;
  a skos:Concept ;
  skos:broader <http://astrothesaurus.org/uat/1227> .