@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<http://www.irandoc.acir/onto/irandoc/15158005>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/74947009> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/56117007> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/74947009> ;
  skos:prefLabel "هوا"@fa, "air"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/74947009>
  skos:prefLabel "ماده گازی"@fa, "Gaseous substance"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/15158005> .

<http://www.irandoc.acir/onto/irandoc/287947005> ns0:Using_substance <http://www.irandoc.acir/onto/irandoc/15158005> .
<http://www.irandoc.acir/onto/irandoc/446302006> ns0:Specimen_substance <http://www.irandoc.acir/onto/irandoc/15158005> .
<http://www.irandoc.acir/onto/irandoc/56117007>
  skos:prefLabel "حباب هوا"@fa, "Air bubble"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/15158005> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/15158005> .

<http://www.irandoc.acir/onto/irandoc/29068008> ns0:Direct_substance <http://www.irandoc.acir/onto/irandoc/15158005> .
ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/353486009> ns0:Direct_substance <http://www.irandoc.acir/onto/irandoc/15158005> .
<http://www.irandoc.acir/onto/irandoc/34931002> ns0:Direct_substance <http://www.irandoc.acir/onto/irandoc/15158005> .
<http://www.irandoc.acir/onto/irandoc/49789002> ns0:Direct_substance <http://www.irandoc.acir/onto/irandoc/15158005> .
<http://www.irandoc.acir/onto/irandoc/354408004> ns0:Direct_substance <http://www.irandoc.acir/onto/irandoc/15158005> .