Work in progress

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    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:j.0="http://qudt.org/schema/qudt/"
    xmlns:j.1="http://purl.org/dc/terms/"
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    xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > 
  <rdf:Description rdf:about="http://qudt.org/vocab/unit/BBL">
    <j.1:description rdf:datatype="http://www.w3.org/1999/02/22-rdf-syntax-ns#HTML">A barrel is one of several units of volume, with dry barrels, fluid barrels (UK beer barrel, U.S. beer barrel), oil barrel, etc. The volume of some barrel units is double others, with various volumes in the range of about 100-200 litres (22-44 imp gal; 26-53 US gal).</j.1:description>
    <j.0:informativeReference rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">http://en.wikipedia.org/wiki/Barrel?oldid=494614619</j.0:informativeReference>
    <j.0:iec61360Code>0112/2///62720#UAA334</j.0:iec61360Code>
    <j.0:symbol>bbl</j.0:symbol>
    <j.0:dbpediaMatch rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">http://dbpedia.org/resource/Barrel</j.0:dbpediaMatch>
    <j.0:hasDimensionVector rdf:resource="http://qudt.org/vocab/dimensionvector/A0E0L3I0M0H0T0D0"/>
    <rdfs:isDefinedBy rdf:resource="http://qudt.org/2.1/vocab/unit"/>
    <j.0:ucumCode rdf:datatype="http://qudt.org/schema/qudt/UCUMcs">[bbl_us]</j.0:ucumCode>
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/Unit"/>
    <rdfs:label xml:lang="en">Barrel</rdfs:label>
    <j.0:hasQuantityKind rdf:resource="http://qudt.org/vocab/quantitykind/Volume"/>
    <j.0:definedUnitOfSystem rdf:resource="http://qudt.org/vocab/sou/USCS"/>
    <j.0:uneceCommonCode>BLL</j.0:uneceCommonCode>
  </rdf:Description>
</rdf:RDF>

@prefix owl: <http://www.w3.org/2002/07/owl#> .
@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#> .

<http://qudt.org/vocab/unit/BBL>
  rdf:type <http://qudt.org/schema/qudt/Unit> ;
  <http://purl.org/dc/terms/description> "A barrel is one of several units of volume, with dry barrels, fluid barrels (UK beer barrel, U.S. beer barrel), oil barrel, etc. The volume of some barrel units is double others, with various volumes in the range of about 100-200 litres (22-44 imp gal; 26-53 US gal)."^^rdf:HTML ;
  <http://qudt.org/schema/qudt/dbpediaMatch> "http://dbpedia.org/resource/Barrel"^^xsd:anyURI ;
  <http://qudt.org/schema/qudt/definedUnitOfSystem> <http://qudt.org/vocab/sou/USCS> ;
  <http://qudt.org/schema/qudt/hasDimensionVector> <http://qudt.org/vocab/dimensionvector/A0E0L3I0M0H0T0D0> ;
  <http://qudt.org/schema/qudt/hasQuantityKind> <http://qudt.org/vocab/quantitykind/Volume> ;
  <http://qudt.org/schema/qudt/iec61360Code> "0112/2///62720#UAA334" ;
  <http://qudt.org/schema/qudt/informativeReference> "http://en.wikipedia.org/wiki/Barrel?oldid=494614619"^^xsd:anyURI ;
  <http://qudt.org/schema/qudt/symbol> "bbl" ;
  <http://qudt.org/schema/qudt/ucumCode> "[bbl_us]"^^<http://qudt.org/schema/qudt/UCUMcs> ;
  <http://qudt.org/schema/qudt/uneceCommonCode> "BLL" ;
  rdfs:isDefinedBy <http://qudt.org/2.1/vocab/unit> ;
  rdfs:label "Barrel"@en ;
.

{"resource":"Barrel" 
 ,"qname":"unit:BBL" 
 ,"uri":"http:\/\/qudt.org\/vocab\/unit\/BBL" 
 ,"properties":["dbpedia match":"http:\/\/dbpedia.org\/resource\/Barrel" 
    ,"defined unit of system":"sou:USCS" 
    ,"description":"A barrel is one of several units of volume, with dry barrels, fluid barrels (UK beer barrel, U.S. beer barrel), oil barrel, etc. The volume of some barrel units is double others, with various volumes in the range of about 100-200 litres (22-44 imp gal; 26-53 US gal)." 
    ,"has dimension vector":"dimension:A0E0L3I0M0H0T0D0" 
    ,"has quantity kind":"quantitykind:Volume" 
    ,"iec-61360 code":"0112\/2\/\/\/62720#UAA334" 
    ,"informative reference":"http:\/\/en.wikipedia.org\/wiki\/Barrel?oldid=494614619" 
    ,"isDefinedBy":"<http:\/\/qudt.org\/2.1\/vocab\/unit>" 
    ,"label":"Barrel" 
    ,"symbol":"bbl" 
    ,"type":"qudt:Unit" 
    ,"ucum code":"[bbl_us]" 
    ,"unece common code":"BLL" 
    ]}

{
  "@id" : "http://qudt.org/vocab/unit/BBL",
  "@type" : "http://qudt.org/schema/qudt/Unit",
  "description" : "A barrel is one of several units of volume, with dry barrels, fluid barrels (UK beer barrel, U.S. beer barrel), oil barrel, etc. The volume of some barrel units is double others, with various volumes in the range of about 100-200 litres (22-44 imp gal; 26-53 US gal).",
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  "iec61360Code" : "0112/2///62720#UAA334",
  "informativeReference" : "http://en.wikipedia.org/wiki/Barrel?oldid=494614619",
  "symbol" : "bbl",
  "ucumCode" : "[bbl_us]",
  "uneceCommonCode" : "BLL",
  "isDefinedBy" : "http://qudt.org/2.1/vocab/unit",
  "label" : {
    "@language" : "en",
    "@value" : "Barrel"
  },
  "@context" : {
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}