Work in progress

<rdf:RDF
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:j.0="http://qudt.org/schema/qudt/"
    xmlns:owl="http://www.w3.org/2002/07/owl#"
    xmlns:j.1="http://www.w3.org/2004/02/skos/core#"
    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/PPT_VOL">
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/CGS-GAUSS"/>
    <j.0:hasQuantityKind rdf:resource="http://qudt.org/vocab/quantitykind/Unknown"/>
    <rdfs:isDefinedBy rdf:resource="http://qudt.org/3.1.1/vocab/unit"/>
    <rdfs:label xml:lang="en">Parts per trillion by volume</rdfs:label>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/CGS-ESU"/>
    <j.1:broader rdf:resource="http://qudt.org/vocab/unit/PPT"/>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/IMPERIAL"/>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/SI"/>
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/Unit"/>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/CGS"/>
    <j.0:conversionMultiplierSN rdf:datatype="http://www.w3.org/2001/XMLSchema#double">1.0E-12</j.0:conversionMultiplierSN>
    <j.0:conversionMultiplier rdf:datatype="http://www.w3.org/2001/XMLSchema#decimal">0.000000000001</j.0:conversionMultiplier>
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/ContextualUnit"/>
    <j.0:symbol>ppt (volume)</j.0:symbol>
    <j.0:ucumCode rdf:datatype="http://qudt.org/schema/qudt/UCUMcs">[pptr]{vol}</j.0:ucumCode>
    <j.0:hasDimensionVector rdf:resource="http://qudt.org/vocab/dimensionvector/A0E0L0I0M0H0T0D1"/>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/CGS-EMU"/>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/ASU"/>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/PLANCK"/>
  </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/PPT_VOL>
  rdf:type <http://qudt.org/schema/qudt/ContextualUnit> ;
  rdf:type <http://qudt.org/schema/qudt/Unit> ;
  <http://qudt.org/schema/qudt/applicableSystem> <http://qudt.org/vocab/sou/ASU> ;
  <http://qudt.org/schema/qudt/applicableSystem> <http://qudt.org/vocab/sou/CGS> ;
  <http://qudt.org/schema/qudt/applicableSystem> <http://qudt.org/vocab/sou/CGS-EMU> ;
  <http://qudt.org/schema/qudt/applicableSystem> <http://qudt.org/vocab/sou/CGS-ESU> ;
  <http://qudt.org/schema/qudt/applicableSystem> <http://qudt.org/vocab/sou/CGS-GAUSS> ;
  <http://qudt.org/schema/qudt/applicableSystem> <http://qudt.org/vocab/sou/IMPERIAL> ;
  <http://qudt.org/schema/qudt/applicableSystem> <http://qudt.org/vocab/sou/PLANCK> ;
  <http://qudt.org/schema/qudt/applicableSystem> <http://qudt.org/vocab/sou/SI> ;
  <http://qudt.org/schema/qudt/conversionMultiplier> 0.000000000001 ;
  <http://qudt.org/schema/qudt/conversionMultiplierSN> 1.0E-12 ;
  <http://qudt.org/schema/qudt/hasDimensionVector> <http://qudt.org/vocab/dimensionvector/A0E0L0I0M0H0T0D1> ;
  <http://qudt.org/schema/qudt/hasQuantityKind> <http://qudt.org/vocab/quantitykind/Unknown> ;
  <http://qudt.org/schema/qudt/symbol> "ppt (volume)" ;
  <http://qudt.org/schema/qudt/ucumCode> "[pptr]{vol}"^^<http://qudt.org/schema/qudt/UCUMcs> ;
  rdfs:isDefinedBy <http://qudt.org/3.1.1/vocab/unit> ;
  rdfs:label "Parts per trillion by volume"@en ;
  <http://www.w3.org/2004/02/skos/core#broader> <http://qudt.org/vocab/unit/PPT> ;
.

{"resource":"Parts per trillion by volume" 
 ,"qname":"unit:PPT_VOL" 
 ,"uri":"http:\/\/qudt.org\/vocab\/unit\/PPT_VOL" 
 ,"properties":["applicable system":"sou:ASU" 
    ,"applicable system":"sou:CGS" 
    ,"applicable system":"sou:CGS-EMU" 
    ,"applicable system":"sou:CGS-ESU" 
    ,"applicable system":"sou:CGS-GAUSS" 
    ,"applicable system":"sou:IMPERIAL" 
    ,"applicable system":"sou:PLANCK" 
    ,"applicable system":"sou:SI" 
    ,"conversion multiplier":"0.000000000001" 
    ,"conversion multiplier scientific":"1.0E-12" 
    ,"has broader":"unit:PPT" 
    ,"has dimension vector":"dimension:A0E0L0I0M0H0T0D1" 
    ,"has quantity kind":"quantitykind:Unknown" 
    ,"isDefinedBy":"<http:\/\/qudt.org\/3.1.1\/vocab\/unit>" 
    ,"label":"Parts per trillion by volume" 
    ,"symbol":"ppt (volume)" 
    ,"type":"qudt:ContextualUnit" 
    ,"type":"qudt:Unit" 
    ,"ucum code":"[pptr]{vol}" 
    ]}

{
  "@id" : "http://qudt.org/vocab/unit/PPT_VOL",
  "@type" : [ "http://qudt.org/schema/qudt/Unit", "http://qudt.org/schema/qudt/ContextualUnit" ],
  "applicableSystem" : [ "http://qudt.org/vocab/sou/CGS-GAUSS", "http://qudt.org/vocab/sou/CGS-ESU", "http://qudt.org/vocab/sou/IMPERIAL", "http://qudt.org/vocab/sou/SI", "http://qudt.org/vocab/sou/CGS", "http://qudt.org/vocab/sou/CGS-EMU", "http://qudt.org/vocab/sou/ASU", "http://qudt.org/vocab/sou/PLANCK" ],
  "conversionMultiplier" : "0.000000000001",
  "conversionMultiplier:SN" : 1.0E-12,
  "hasDimensionVector" : "http://qudt.org/vocab/dimensionvector/A0E0L0I0M0H0T0D1",
  "hasQuantityKind" : "http://qudt.org/vocab/quantitykind/Unknown",
  "symbol" : "ppt (volume)",
  "ucumCode" : "[pptr]{vol}",
  "isDefinedBy" : "http://qudt.org/3.1.1/vocab/unit",
  "label" : {
    "@language" : "en",
    "@value" : "Parts per trillion by volume"
  },
  "broader" : "http://qudt.org/vocab/unit/PPT",
  "@context" : {
    "applicableSystem" : {
      "@id" : "http://qudt.org/schema/qudt/applicableSystem",
      "@type" : "@id"
    },
    "hasQuantityKind" : {
      "@id" : "http://qudt.org/schema/qudt/hasQuantityKind",
      "@type" : "@id"
    },
    "isDefinedBy" : {
      "@id" : "http://www.w3.org/2000/01/rdf-schema#isDefinedBy",
      "@type" : "@id"
    },
    "label" : {
      "@id" : "http://www.w3.org/2000/01/rdf-schema#label"
    },
    "broader" : {
      "@id" : "http://www.w3.org/2004/02/skos/core#broader",
      "@type" : "@id"
    },
    "conversionMultiplierSN" : {
      "@id" : "http://qudt.org/schema/qudt/conversionMultiplierSN",
      "@type" : "http://www.w3.org/2001/XMLSchema#double"
    },
    "conversionMultiplier" : {
      "@id" : "http://qudt.org/schema/qudt/conversionMultiplier",
      "@type" : "http://www.w3.org/2001/XMLSchema#decimal"
    },
    "symbol" : {
      "@id" : "http://qudt.org/schema/qudt/symbol"
    },
    "ucumCode" : {
      "@id" : "http://qudt.org/schema/qudt/ucumCode",
      "@type" : "http://qudt.org/schema/qudt/UCUMcs"
    },
    "hasDimensionVector" : {
      "@id" : "http://qudt.org/schema/qudt/hasDimensionVector",
      "@type" : "@id"
    },
    "rdf" : "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
    "owl" : "http://www.w3.org/2002/07/owl#",
    "xsd" : "http://www.w3.org/2001/XMLSchema#",
    "rdfs" : "http://www.w3.org/2000/01/rdf-schema#"
  }
}