@prefix oefos: . @prefix skos: . oefos:Schema a skos:ConceptScheme . oefos:2020 skos:notation "2020" ; skos:prefLabel "Electrical Engineering, Electronics, Information Engineering"@en, "Elektrotechnik, Elektronik, Informationstechnik"@de ; a skos:Concept ; skos:narrower oefos:202024 . oefos:202024 skos:inScheme oefos:Schema ; skos:broader oefos:2020 ; skos:notation "202024" ; skos:prefLabel "Laser technology"@en, "Lasertechnik"@de ; a skos:Concept .