@prefix dukems: . @prefix skos: . dukems:144 skos:prefLabel "2 Industrial Processes and Product Use"@en ; a skos:Concept ; skos:narrower dukems:152 . dukems:152 a skos:Concept ; skos:broader dukems:55, dukems:144 ; skos:prefLabel "2.H Other"@en, "5.A Biological treatment of waste - Solid waste disposal on land " . dukems:55 skos:prefLabel "5. Waste"@en ; a skos:Concept ; skos:narrower dukems:152 .