@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix constant: <http://qudt.org/vocab/constant/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix qkdv: <http://qudt.org/vocab/dimensionvector/> .
@prefix quantitykind: <http://qudt.org/vocab/quantitykind/> .
@prefix qudt: <http://qudt.org/schema/qudt/> .
@prefix si-constant: <https://si-digital-framework.org/constants/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix sou: <http://qudt.org/vocab/sou/> .
@prefix unit: <http://qudt.org/vocab/unit/> .
@prefix vaem: <http://www.linkedmodel.org/schema/vaem#> .

constant:ElectricConstant
  a qudt:PhysicalConstant ;
  qudt:dbpediaMatch "http://dbpedia.org/resource/Vacuum_permittivity"^^xsd:anyURI ;
  qudt:exactConstant true ;
  qudt:hasQuantityKind quantitykind:Permittivity ;
  qudt:informativeReference "http://physics.nist.gov/cuu/Constants/bibliography.html"^^xsd:anyURI ;
  qudt:quantityValue constant:Value_ElectricConstant ;
  rdfs:isDefinedBy <http://qudt.org/3.1.11/vocab/constant> ;
  rdfs:label "electric constant"@en .