@prefix dukems: . @prefix skos: . @prefix wd: . dukems:8 skos:notation "(CH3)2S" ; a skos:Concept ; skos:exactMatch wd:Q423133 ; skos:altLabel "DMS", "Dimethyl sulfide", "Methylthiomethane" ; skos:broader dukems:1 ; skos:prefLabel "Dimethyl sulphide"@en . dukems:1 skos:notation "SOx" ; skos:prefLabel "Sulphur"@en ; a skos:Concept ; skos:narrower dukems:8 .