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:j.1="http://purl.org/dc/terms/"
    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/GM-PER-M2-YR">
    <j.0:hasDimensionVector rdf:resource="http://qudt.org/vocab/dimensionvector/A0E0L-2I0M1H0T-1D0"/>
    <j.0:plainTextDescription>A metric unit of volume over time indicating the amount generated across one square meter over a year.</j.0:plainTextDescription>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/CGS-GAUSS"/>
    <rdfs:isDefinedBy rdf:resource="http://qudt.org/2.1/vocab/unit"/>
    <j.0:symbol>g/(m&lt;C2&gt;&lt;B2&gt;&lt;E2&gt;&lt;80&gt;&lt;B9&gt;&lt;E2&gt;&lt;80&gt;&lt;A6&gt;yr)</j.0:symbol>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/CGS-EMU"/>
    <j.0:hasQuantityKind rdf:resource="http://qudt.org/vocab/quantitykind/MassPerAreaTime"/>
    <rdfs:label xml:lang="en-US">grams per square meter per year</rdfs:label>
    <rdfs:label xml:lang="en">grams per square metre per year</rdfs:label>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/CGS"/>
    <j.1:description rdf:datatype="http://www.w3.org/1999/02/22-rdf-syntax-ns#HTML">A metric unit of volume over time indicating the amount generated across one square meter over a year (365.25 days).</j.1:description>
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/Unit"/>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/SI"/>
    <j.0:ucumCode rdf:datatype="http://qudt.org/schema/qudt/UCUMcs">g.m-2.a-1</j.0:ucumCode>
    <j.0:conversionMultiplier rdf:datatype="http://www.w3.org/2001/XMLSchema#decimal">0.0000000000316880878</j.0:conversionMultiplier>
    <j.0:expression rdf:datatype="http://qudt.org/schema/qudt/LatexString">\(g-m^{-2}-year^{-1}\)</j.0:expression>
  </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/GM-PER-M2-YR>
  rdf:type <http://qudt.org/schema/qudt/Unit> ;
  <http://purl.org/dc/terms/description> "A metric unit of volume over time indicating the amount generated across one square meter over a year (365.25 days)."^^rdf:HTML ;
  <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-GAUSS> ;
  <http://qudt.org/schema/qudt/applicableSystem> <http://qudt.org/vocab/sou/SI> ;
  <http://qudt.org/schema/qudt/conversionMultiplier> 0.0000000000316880878 ;
  <http://qudt.org/schema/qudt/expression> "\\(g-m^{-2}-year^{-1}\\)"^^<http://qudt.org/schema/qudt/LatexString> ;
  <http://qudt.org/schema/qudt/hasDimensionVector> <http://qudt.org/vocab/dimensionvector/A0E0L-2I0M1H0T-1D0> ;
  <http://qudt.org/schema/qudt/hasQuantityKind> <http://qudt.org/vocab/quantitykind/MassPerAreaTime> ;
  <http://qudt.org/schema/qudt/plainTextDescription> "A metric unit of volume over time indicating the amount generated across one square meter over a year." ;
  <http://qudt.org/schema/qudt/symbol> "g/(m<C2><B2><E2><80><B9><E2><80><A6>yr)" ;
  <http://qudt.org/schema/qudt/ucumCode> "g.m-2.a-1"^^<http://qudt.org/schema/qudt/UCUMcs> ;
  rdfs:isDefinedBy <http://qudt.org/2.1/vocab/unit> ;
  rdfs:label "grams per square meter per year"@en-US ;
  rdfs:label "grams per square metre per year"@en ;
.

{"resource":"grams per square metre per year" 
 ,"qname":"unit:GM-PER-M2-YR" 
 ,"uri":"http:\/\/qudt.org\/vocab\/unit\/GM-PER-M2-YR" 
 ,"properties":["applicable system":"sou:CGS" 
    ,"applicable system":"sou:CGS-EMU" 
    ,"applicable system":"sou:CGS-GAUSS" 
    ,"applicable system":"sou:SI" 
    ,"conversion multiplier":"0.0000000000316880878" 
    ,"description":"A metric unit of volume over time indicating the amount generated across one square meter over a year (365.25 days)." 
    ,"description (plain text)":"A metric unit of volume over time indicating the amount generated across one square meter over a year." 
    ,"expression":"\\(g-m^{-2}-year^{-1}\\)" 
    ,"has dimension vector":"dimension:A0E0L-2I0M1H0T-1D0" 
    ,"has quantity kind":"quantitykind:MassPerAreaTime" 
    ,"isDefinedBy":"<http:\/\/qudt.org\/2.1\/vocab\/unit>" 
    ,"label":"grams per square meter per year" 
    ,"label":"grams per square metre per year" 
    ,"symbol":"g\/(m<C2><B2><E2><80><B9><E2><80><A6>yr)" 
    ,"type":"qudt:Unit" 
    ,"ucum code":"g.m-2.a-1" 
    ]}

{
  "@id" : "http://qudt.org/vocab/unit/GM-PER-M2-YR",
  "@type" : "http://qudt.org/schema/qudt/Unit",
  "description" : "A metric unit of volume over time indicating the amount generated across one square meter over a year (365.25 days).",
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  "conversionMultiplier" : "0.0000000000316880878",
  "expression" : "\\(g-m^{-2}-year^{-1}\\)",
  "hasDimensionVector" : "http://qudt.org/vocab/dimensionvector/A0E0L-2I0M1H0T-1D0",
  "hasQuantityKind" : "http://qudt.org/vocab/quantitykind/MassPerAreaTime",
  "plainTextDescription" : "A metric unit of volume over time indicating the amount generated across one square meter over a year.",
  "symbol" : "g/(m<C2><B2><E2><80><B9><E2><80><A6>yr)",
  "ucumCode" : "g.m-2.a-1",
  "isDefinedBy" : "http://qudt.org/2.1/vocab/unit",
  "label" : [ {
    "@language" : "en-us",
    "@value" : "grams per square meter per year"
  }, {
    "@language" : "en",
    "@value" : "grams per square metre per year"
  } ],
  "@context" : {
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      "@id" : "http://qudt.org/schema/qudt/hasDimensionVector",
      "@type" : "@id"
    },
    "plainTextDescription" : {
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    },
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    },
    "isDefinedBy" : {
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    },
    "symbol" : {
      "@id" : "http://qudt.org/schema/qudt/symbol"
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    },
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      "@id" : "http://purl.org/dc/terms/description",
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    },
    "conversionMultiplier" : {
      "@id" : "http://qudt.org/schema/qudt/conversionMultiplier",
      "@type" : "http://www.w3.org/2001/XMLSchema#decimal"
    },
    "expression" : {
      "@id" : "http://qudt.org/schema/qudt/expression",
      "@type" : "http://qudt.org/schema/qudt/LatexString"
    },
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    "owl" : "http://www.w3.org/2002/07/owl#",
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  }
}