@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix cc: <http://creativecommons.org/ns#> .
@prefix era: <http://data.europa.eu/949/> .
@prefix era-skos: <http://data.europa.eu/949/concepts/> .
@prefix era-op-types: <http://data.europa.eu/949/concepts/op-types/> .

@prefix era-cls: <http://data.europa.eu/949/concepts/contact-line-systems/> .
@prefix era-cls-rinf: <http://data.europa.eu/949/concepts/contact-line-systems/rinf/> .




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#    Concept Schemes
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era-cls:ContactLineSystems a skos:ConceptScheme ; 
    dct:issued "2020-09-01"^^xsd:date ;
    dct:modified "2022-09-09"^^xsd:date ;
    cc:license <https://creativecommons.org/licenses/by/4.0/> ;
    rdfs:comment "Controlled SKOS-based vocabularies defined by the European Union Agency for Railways to describe concepts related to the European railway infrastructure and the vehicles authorized to operate over it."@en ;
    rdfs:label "Contact Line Systems"@en ;
    skos:prefLabel "Contact Line Systems"@en ;
    dct:title "Concept scheme grouping contact line systems"@en .



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########## Contact line systems ##########

era-cls-rinf:40 a skos:Concept;
  skos:inScheme era-cls:ContactLineSystems;  skos:topConceptOf era-cls:ContactLineSystems; skos:note "Value retrieved from the RINF database";
  skos:prefLabel "Not electrified" .

era-cls-rinf:10 a skos:Concept;
  skos:inScheme era-cls:ContactLineSystems;  skos:topConceptOf era-cls:ContactLineSystems; skos:note "Value retrieved from the RINF database";
  skos:prefLabel "Overhead contact line (OCL)" .

era-cls-rinf:20 a skos:Concept;
  skos:inScheme era-cls:ContactLineSystems;  skos:topConceptOf era-cls:ContactLineSystems; skos:note "Value retrieved from the RINF database";
  skos:prefLabel "Third Rail" .

# Added, concept in lookup table
era-cls-rinf:30 a skos:Concept;
  skos:inScheme era-cls:ContactLineSystems;  skos:topConceptOf era-cls:ContactLineSystems; skos:note "Value retrieved from the RINF database";
  skos:prefLabel "Fourth Rail" .