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

<http://astrothesaurus.org/uat/670>
  skos:prefLabel "Gravitational lensing"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/671> .

<http://astrothesaurus.org/uat/671>
  skos:broader <http://astrothesaurus.org/uat/670> ;
  skos:prefLabel "Gravitational lensing shear"@en ;
  a skos:Concept .