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

<http://www.irandoc.acir/onto/irandoc/CHEM000506>
  skos:prefLabel "نظریه گروه"@fa, "group theory"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CHEM0001391> .

<http://www.irandoc.acir/onto/irandoc/CHEM0001391>
  skos:related <http://www.irandoc.acir/onto/irandoc/CHEM000506> ;
  skos:prefLabel "قانون شرکت پذیری"@fa, "associative law"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .