@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix operatingsystem: <http://www.semanticweb.org/sony/ontologies/2014/1/untitled-ontology-5#> .

<http://www.semanticweb.org/sony/ontologies/2014/1/untitled-ontology-5/conceptscheme> a skos:ConceptScheme .
operatingsystem:Introduction_to_clock
  skos:broader <http://www.semanticweb.org/sony/ontologies/2014/1/untitled-ontology-5#I/O_systems> ;
  skos:narrower operatingsystem:Clock_software, operatingsystem:Clock_hardware ;
  skos:inScheme <http://www.semanticweb.org/sony/ontologies/2014/1/untitled-ontology-5/conceptscheme> ;
  skos:prefLabel "Introduction to clock"@en ;
  a skos:Concept .

<http://www.semanticweb.org/sony/ontologies/2014/1/untitled-ontology-5#I/O_systems>
  a skos:Concept ;
  skos:narrower operatingsystem:Introduction_to_clock .

operatingsystem:Clock_hardware
  skos:prefLabel "Clock hardware"@en ;
  a skos:Concept ;
  skos:broader operatingsystem:Introduction_to_clock .

operatingsystem:Clock_software
  skos:prefLabel "Clock software"@en ;
  a skos:Concept ;
  skos:broader operatingsystem:Introduction_to_clock .