@prefix dcterms: . @prefix delta: . @prefix dsv: . @prefix owl: . @prefix rdfs: . @prefix sd: . @prefix sh: . @prefix skos: . @prefix xhv: . a sh:ConceptDelta; dcterms:isPartOf ; delta:deletion [ skos:related ]; delta:deletion [ skos:related ]; delta:deletion [ skos:prefLabel "Petroleum trade"@en ]; delta:deletion [ skos:related ]; delta:deletion [] ; delta:deletion [ skos:related ]; delta:deletion [] ; delta:insertion [ skos:prefLabel "Oil trade"@en ]; delta:insertion [] ; delta:insertion [] ; delta:insertion [ skos:broader ]; delta:insertion [] ; delta:insertion [] ; delta:insertion [] . a sh:ConceptDelta; dcterms:isPartOf ; delta:deletion [ skos:broader ]; delta:deletion [ skos:broader ]; delta:insertion [] ; delta:insertion [] . a sh:ConceptDelta; dcterms:isPartOf ; delta:deletion [ skos:related ]; delta:deletion [] ; delta:deletion [] ; delta:deletion [] ; delta:deletion [] ; delta:deletion [ skos:prefLabel "Oil trade"@en ]; delta:insertion [] ; delta:insertion [] ; delta:insertion [ skos:prefLabel "Petroleum trading"@en ]; delta:insertion [ skos:altLabel "Oil traders"@en ]; delta:insertion [ skos:broader ]; delta:insertion [ skos:altLabel "Oil and gas trading"@en ] . sh:conceptHistory , , .