@prefix dukems: . @prefix skos: . dukems:81 skos:prefLabel "SNAP"@en ; a skos:Concept ; skos:narrower dukems:86 . dukems:86 a skos:Concept ; skos:broader dukems:81 ; skos:prefLabel "05 Extraction and distribution of fossil fuels and geothermal energy"@en .