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: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/M2-PER-HA-YR">
    <rdfs:isDefinedBy rdf:resource="http://qudt.org/2.1/vocab/unit"/>
    <j.0:conversionMultiplier rdf:datatype="http://www.w3.org/2001/XMLSchema#decimal">0.000000000003168808781402895</j.0:conversionMultiplier>
    <j.0:conversionMultiplierSN rdf:datatype="http://www.w3.org/2001/XMLSchema#double">3.168808781402895e-12</j.0:conversionMultiplierSN>
    <j.0:ucumCode rdf:datatype="http://qudt.org/schema/qudt/UCUMcs">m2.har-1.a-1</j.0:ucumCode>
    <j.0:symbol>m²/(ha·a)</j.0:symbol>
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/Unit"/>
    <j.0:hasDimensionVector rdf:resource="http://qudt.org/vocab/dimensionvector/A0E0L0I0M0H0T-1D0"/>
    <j.0:hasQuantityKind rdf:resource="http://qudt.org/vocab/quantitykind/Unknown"/>
    <rdfs:label xml:lang="en">Square Metre per Hectare Year</rdfs:label>
    <rdfs:label xml:lang="en-US">Square Meter per Hectare Year</rdfs:label>
    <j.0:plainTextDescription>power of the SI base unit metre with the exponent 2 divided by the unit hectare and by the unit year</j.0:plainTextDescription>
  </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/M2-PER-HA-YR>
  rdf:type <http://qudt.org/schema/qudt/Unit> ;
  <http://qudt.org/schema/qudt/conversionMultiplier> 0.000000000003168808781402895 ;
  <http://qudt.org/schema/qudt/conversionMultiplierSN> 3.168808781402895e-12 ;
  <http://qudt.org/schema/qudt/hasDimensionVector> <http://qudt.org/vocab/dimensionvector/A0E0L0I0M0H0T-1D0> ;
  <http://qudt.org/schema/qudt/hasQuantityKind> <http://qudt.org/vocab/quantitykind/Unknown> ;
  <http://qudt.org/schema/qudt/plainTextDescription> "power of the SI base unit metre with the exponent 2 divided by the unit hectare and by the unit year" ;
  <http://qudt.org/schema/qudt/symbol> "m²/(ha·a)" ;
  <http://qudt.org/schema/qudt/ucumCode> "m2.har-1.a-1"^^<http://qudt.org/schema/qudt/UCUMcs> ;
  rdfs:isDefinedBy <http://qudt.org/2.1/vocab/unit> ;
  rdfs:label "Square Meter per Hectare Year"@en-US ;
  rdfs:label "Square Metre per Hectare Year"@en ;
.

{"resource":"Square Metre per Hectare Year" 
 ,"qname":"unit:M2-PER-HA-YR" 
 ,"uri":"http:\/\/qudt.org\/vocab\/unit\/M2-PER-HA-YR" 
 ,"properties":["conversion multiplier":"0.000000000003168808781402895" 
    ,"conversion multiplier scientific":"3.168808781402895e-12" 
    ,"description (plain text)":"power of the SI base unit metre with the exponent 2 divided by the unit hectare and by the unit year" 
    ,"has dimension vector":"dimension:A0E0L0I0M0H0T-1D0" 
    ,"has quantity kind":"quantitykind:Unknown" 
    ,"isDefinedBy":"<http:\/\/qudt.org\/2.1\/vocab\/unit>" 
    ,"label":"Square Meter per Hectare Year" 
    ,"label":"Square Metre per Hectare Year" 
    ,"symbol":"m²\/(ha·a)" 
    ,"type":"qudt:Unit" 
    ,"ucum code":"m2.har-1.a-1" 
    ]}

{
  "@id" : "http://qudt.org/vocab/unit/M2-PER-HA-YR",
  "@type" : "http://qudt.org/schema/qudt/Unit",
  "conversionMultiplier" : "0.000000000003168808781402895",
  "conversionMultiplier:SN" : 3.168808781402895E-12,
  "hasDimensionVector" : "http://qudt.org/vocab/dimensionvector/A0E0L0I0M0H0T-1D0",
  "hasQuantityKind" : "http://qudt.org/vocab/quantitykind/Unknown",
  "plainTextDescription" : "power of the SI base unit metre with the exponent 2 divided by the unit hectare and by the unit year",
  "symbol" : "m²/(ha·a)",
  "ucumCode" : "m2.har-1.a-1",
  "isDefinedBy" : "http://qudt.org/2.1/vocab/unit",
  "label" : [ {
    "@language" : "en",
    "@value" : "Square Metre per Hectare Year"
  }, {
    "@language" : "en-us",
    "@value" : "Square Meter per Hectare Year"
  } ],
  "@context" : {
    "isDefinedBy" : {
      "@id" : "http://www.w3.org/2000/01/rdf-schema#isDefinedBy",
      "@type" : "@id"
    },
    "conversionMultiplier" : {
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      "@type" : "http://www.w3.org/2001/XMLSchema#decimal"
    },
    "conversionMultiplierSN" : {
      "@id" : "http://qudt.org/schema/qudt/conversionMultiplierSN",
      "@type" : "http://www.w3.org/2001/XMLSchema#double"
    },
    "ucumCode" : {
      "@id" : "http://qudt.org/schema/qudt/ucumCode",
      "@type" : "http://qudt.org/schema/qudt/UCUMcs"
    },
    "symbol" : {
      "@id" : "http://qudt.org/schema/qudt/symbol"
    },
    "hasDimensionVector" : {
      "@id" : "http://qudt.org/schema/qudt/hasDimensionVector",
      "@type" : "@id"
    },
    "hasQuantityKind" : {
      "@id" : "http://qudt.org/schema/qudt/hasQuantityKind",
      "@type" : "@id"
    },
    "label" : {
      "@id" : "http://www.w3.org/2000/01/rdf-schema#label"
    },
    "plainTextDescription" : {
      "@id" : "http://qudt.org/schema/qudt/plainTextDescription"
    },
    "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#"
  }
}