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

operatingsystem:Secondary_storage_structure
  skos:broader <http://www.semanticweb.org/sony/ontologies/2014/1/untitled-ontology-5#I/O_systems> ;
  a skos:Concept ;
  skos:narrower operatingsystem:Disk_management, operatingsystem:Swap_space_management, operatingsystem:Disk_scheduling, operatingsystem:Disk_structure, operatingsystem:Disk_reliability, operatingsystem:Stable_storage_implementation ;
  skos:inScheme <http://www.semanticweb.org/sony/ontologies/2014/1/untitled-ontology-5/conceptscheme> ;
  skos:prefLabel "Secondary storage structure"@en .

<http://www.semanticweb.org/sony/ontologies/2014/1/untitled-ontology-5/conceptscheme> a skos:ConceptScheme .
operatingsystem:Swap_space_management
  skos:prefLabel "Swap space management"@en ;
  a skos:Concept ;
  skos:broader operatingsystem:Secondary_storage_structure .

operatingsystem:Disk_reliability
  skos:prefLabel "Disk reliability"@en ;
  a skos:Concept ;
  skos:broader operatingsystem:Secondary_storage_structure .

operatingsystem:Disk_management
  skos:prefLabel "Disk management"@en ;
  a skos:Concept ;
  skos:broader operatingsystem:Secondary_storage_structure .

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

operatingsystem:Stable_storage_implementation
  skos:prefLabel "Stable storage implementation"@en ;
  a skos:Concept ;
  skos:broader operatingsystem:Secondary_storage_structure .

operatingsystem:Disk_structure
  skos:prefLabel "Disk structure"@en ;
  a skos:Concept ;
  skos:broader operatingsystem:Secondary_storage_structure .

operatingsystem:Disk_scheduling
  skos:prefLabel "Disk scheduling"@en ;
  a skos:Concept ;
  skos:broader operatingsystem:Secondary_storage_structure .