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

<http://www.irandoc.acir/onto/irandoc/AGR0008844>
  skos:prefLabel "Hydrocarbons"@en, "هیدروکربن‌ها"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:is_parent_of <http://www.irandoc.acir/onto/irandoc/AGR0011900> ;
  ns0:is_chemical_formula_of <http://www.irandoc.acir/onto/irandoc/AGR0011900> ;
  ns0:has_related <http://www.irandoc.acir/onto/irandoc/AGR0011900> .

<http://www.irandoc.acir/onto/irandoc/AGR0011707>
  skos:prefLabel "Petroleum"@en, "نفت طبیعی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:has_related <http://www.irandoc.acir/onto/irandoc/AGR0011900> .

<http://www.irandoc.acir/onto/irandoc/AGR0014575>
  skos:prefLabel "Protective coatings"@en, "اندودهای محافظ"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:is_top_concept_in_scheme <http://www.irandoc.acir/onto/irandoc/AGR0011900> ;
  ns0:has_related <http://www.irandoc.acir/onto/irandoc/AGR0011900> .

ns0:is_chemical_formula_of rdfs:label "فرمول شیمیایی از"@fa, "is chemical formula of"@en .
ns0:has_component rdfs:label "دارای جزء یا عنصر"@fa, "has component"@en .
<http://www.irandoc.acir/onto/irandoc/AGR0011900>
  skos:prefLabel "قیر"@fa, "Bitumen"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:has_related <http://www.irandoc.acir/onto/irandoc/AGR0008844>, <http://www.irandoc.acir/onto/irandoc/AGR0014575>, <http://www.irandoc.acir/onto/irandoc/AGR0009974>, <http://www.irandoc.acir/onto/irandoc/AGR0011707> ;
  skos:altLabel "Asphalt"@en, "آسفالت"@fa ;
  ns0:is_parent_of <http://www.irandoc.acir/onto/irandoc/AGR0009974> ;
  ns0:is_use_of <http://www.irandoc.acir/onto/irandoc/AGR0014575> ;
  ns0:has_component <http://www.irandoc.acir/onto/irandoc/AGR0008844> ;
  ns0:is_chemical_formula_of <http://www.irandoc.acir/onto/irandoc/AGR0009974> .

ns0:is_parent_of rdfs:label "والدی از (رابطه والد -فرزندی)"@fa, "is parent of"@en .
ns0:has_related rdfs:label "دارای اصطلاح وابسته"@fa, "has related"@en .
<http://www.irandoc.acir/onto/irandoc/AGR0009974>
  skos:prefLabel "Construction materials"@en, "مصالح ساختمانی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:has_related <http://www.irandoc.acir/onto/irandoc/AGR0011900> ;
  ns0:has_component <http://www.irandoc.acir/onto/irandoc/AGR0011900> .

ns0:is_use_of rdfs:label "بکار برده "@fa, "is use of"@en .