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

<http://www.irandoc.acir/onto/irandoc/insp000256>
  skos:prefLabel "Gravitational wave"@en, "موج گرانشی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0010319> .

<http://www.irandoc.acir/onto/irandoc/insp0010320>
  skos:prefLabel "Gravitational experiment"@en, "آزمایش گرانشی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0010319> .

<http://www.irandoc.acir/onto/irandoc/insp0010319>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp000256>, <http://www.irandoc.acir/onto/irandoc/insp0009509>, <http://www.irandoc.acir/onto/irandoc/insp0009403> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0010320> ;
  skos:prefLabel "Gravitational wave detector"@en, "آشکارساز موج گرانشی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0009403>
  skos:prefLabel "Astronomical instrument"@en, "ابزار نجومی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0010319> .

<http://www.irandoc.acir/onto/irandoc/insp0009509>
  skos:prefLabel "Light interferometer"@en, "تداخل‌سنج نوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0010319> .