@prefix zbwext: <http://zbw.eu/namespaces/zbw-extensions/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <http://www.geonames.org/ontology#> .
@prefix wd: <http://www.wikidata.org/entity/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix schema: <http://schema.org/> .
@prefix dc: <http://purl.org/dc/terms/> .

zbwext:notationLong
  rdfs:subPropertyOf skos:notation ;
  skos:definition """EXPERIMENTAL: Notation with
    blanks and leading zeros for sortability."""@en ;
  rdfs:label "NotationLong"@en .

<https://pm20.zbw.eu/category/ware/i/143769>
  rdfs:label "Rechenmaschine, Rechengerät"@de, "Calculating machine, calculating device"@en ;
  a skos:Concept ;
  zbwext:notationLong "28.23.0-05" ;
  skos:broader <https://pm20.zbw.eu/category/ware/i/142217> ;
  skos:inScheme <https://pm20.zbw.eu/category/ware> ;
  ns0:wikipediaArticle <https://en.wikipedia.org/wiki/Mechanical_calculator>, <https://de.wikipedia.org/wiki/Rechenmaschine> ;
  skos:exactMatch wd:Q211586 ;
  skos:prefLabel "Calculating machine, calculating device"@en, "Rechenmaschine, Rechengerät"@de ;
  owl:sameAs <http://purl.org/pressemappe20/category/ware/i/143769> ;
  schema:subjectOf <https://pm20.zbw.eu/category/ware/i/143769/about> ;
  dc:identifier "143769" ;
  skos:notation "PID12-Bu01" .

<https://pm20.zbw.eu/category/ware/i/142217>
  skos:notation "PID12-Bu" ;
  rdfs:label "Office machine"@en, "Büromaschine"@de ;
  skos:prefLabel "Office machine"@en, "Büromaschine"@de ;
  a skos:Concept ;
  skos:narrower <https://pm20.zbw.eu/category/ware/i/143769> .

<https://pm20.zbw.eu/category/ware> a skos:ConceptScheme .