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

<http://astrothesaurus.org/uat/1695>
  skos:prefLabel "Three-body problem"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/1012> .

<http://astrothesaurus.org/uat/1012>
  skos:altLabel "Mass-ratio"@en ;
  skos:broader <http://astrothesaurus.org/uat/1695> ;
  skos:prefLabel "Mass ratio"@en ;
  a skos:Concept .