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/SLUG-PER-FT2">
    <j.0:conversionMultiplierSN rdf:datatype="http://www.w3.org/2001/XMLSchema#double">1.5708746452215124E2</j.0:conversionMultiplierSN>
    <j.0:hasDimensionVector rdf:resource="http://qudt.org/vocab/dimensionvector/A0E0L-2I0M1H0T0D0"/>
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/Unit"/>
    <rdfs:isDefinedBy rdf:resource="http://qudt.org/2.1/vocab/unit"/>
    <j.1:description rdf:datatype="http://qudt.org/schema/qudt/LatexString">"Slug per Square Foot" is an Imperial unit for  'Mass Per Area' expressed as $slug/ft^{2}$.</j.1:description>
    <j.0:conversionMultiplier rdf:datatype="http://www.w3.org/2001/XMLSchema#decimal">157.08746452215124</j.0:conversionMultiplier>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/IMPERIAL"/>
    <j.0:expression rdf:datatype="http://qudt.org/schema/qudt/LatexString">$slug/ft^{2}$</j.0:expression>
    <rdfs:label xml:lang="en">Slug per Square Foot</rdfs:label>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/USCS"/>
    <j.0:hasQuantityKind rdf:resource="http://qudt.org/vocab/quantitykind/MassPerArea"/>
    <j.0:definedUnitOfSystem rdf:resource="http://qudt.org/vocab/sou/IMPERIAL"/>
    <j.0:symbol>slug/ft²</j.0:symbol>
  </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/SLUG-PER-FT2>
  rdf:type <http://qudt.org/schema/qudt/Unit> ;
  <http://purl.org/dc/terms/description> "\"Slug per Square Foot\" is an Imperial unit for  'Mass Per Area' expressed as $slug/ft^{2}$."^^<http://qudt.org/schema/qudt/LatexString> ;
  <http://qudt.org/schema/qudt/applicableSystem> <http://qudt.org/vocab/sou/IMPERIAL> ;
  <http://qudt.org/schema/qudt/applicableSystem> <http://qudt.org/vocab/sou/USCS> ;
  <http://qudt.org/schema/qudt/conversionMultiplier> 157.08746452215124 ;
  <http://qudt.org/schema/qudt/conversionMultiplierSN> 1.5708746452215124E2 ;
  <http://qudt.org/schema/qudt/definedUnitOfSystem> <http://qudt.org/vocab/sou/IMPERIAL> ;
  <http://qudt.org/schema/qudt/expression> "$slug/ft^{2}$"^^<http://qudt.org/schema/qudt/LatexString> ;
  <http://qudt.org/schema/qudt/hasDimensionVector> <http://qudt.org/vocab/dimensionvector/A0E0L-2I0M1H0T0D0> ;
  <http://qudt.org/schema/qudt/hasQuantityKind> <http://qudt.org/vocab/quantitykind/MassPerArea> ;
  <http://qudt.org/schema/qudt/symbol> "slug/ft²" ;
  rdfs:isDefinedBy <http://qudt.org/2.1/vocab/unit> ;
  rdfs:label "Slug per Square Foot"@en ;
.

{"resource":"Slug per Square Foot" 
 ,"qname":"unit:SLUG-PER-FT2" 
 ,"uri":"http:\/\/qudt.org\/vocab\/unit\/SLUG-PER-FT2" 
 ,"properties":["applicable system":"sou:IMPERIAL" 
    ,"applicable system":"sou:USCS" 
    ,"conversion multiplier":"157.08746452215124" 
    ,"conversion multiplier scientific":"1.5708746452215124E2" 
    ,"defined unit of system":"sou:IMPERIAL" 
    ,"description":"\"Slug per Square Foot\" is an Imperial unit for  'Mass Per Area' expressed as $slug\/ft^{2}$." 
    ,"expression":"$slug\/ft^{2}$" 
    ,"has dimension vector":"dimension:A0E0L-2I0M1H0T0D0" 
    ,"has quantity kind":"quantitykind:MassPerArea" 
    ,"isDefinedBy":"<http:\/\/qudt.org\/2.1\/vocab\/unit>" 
    ,"label":"Slug per Square Foot" 
    ,"symbol":"slug\/ft²" 
    ,"type":"qudt:Unit" 
    ]}

{
  "@id" : "http://qudt.org/vocab/unit/SLUG-PER-FT2",
  "@type" : "http://qudt.org/schema/qudt/Unit",
  "description" : "\"Slug per Square Foot\" is an Imperial unit for  'Mass Per Area' expressed as $slug/ft^{2}$.",
  "applicableSystem" : [ "http://qudt.org/vocab/sou/IMPERIAL", "http://qudt.org/vocab/sou/USCS" ],
  "conversionMultiplier" : "157.08746452215124",
  "conversionMultiplier:SN" : 157.08746452215124,
  "definedUnitOfSystem" : "http://qudt.org/vocab/sou/IMPERIAL",
  "expression" : "$slug/ft^{2}$",
  "hasDimensionVector" : "http://qudt.org/vocab/dimensionvector/A0E0L-2I0M1H0T0D0",
  "hasQuantityKind" : "http://qudt.org/vocab/quantitykind/MassPerArea",
  "symbol" : "slug/ft²",
  "isDefinedBy" : "http://qudt.org/2.1/vocab/unit",
  "label" : {
    "@language" : "en",
    "@value" : "Slug per Square Foot"
  },
  "@context" : {
    "conversionMultiplierSN" : {
      "@id" : "http://qudt.org/schema/qudt/conversionMultiplierSN",
      "@type" : "http://www.w3.org/2001/XMLSchema#double"
    },
    "hasDimensionVector" : {
      "@id" : "http://qudt.org/schema/qudt/hasDimensionVector",
      "@type" : "@id"
    },
    "isDefinedBy" : {
      "@id" : "http://www.w3.org/2000/01/rdf-schema#isDefinedBy",
      "@type" : "@id"
    },
    "description" : {
      "@id" : "http://purl.org/dc/terms/description",
      "@type" : "http://qudt.org/schema/qudt/LatexString"
    },
    "conversionMultiplier" : {
      "@id" : "http://qudt.org/schema/qudt/conversionMultiplier",
      "@type" : "http://www.w3.org/2001/XMLSchema#decimal"
    },
    "applicableSystem" : {
      "@id" : "http://qudt.org/schema/qudt/applicableSystem",
      "@type" : "@id"
    },
    "expression" : {
      "@id" : "http://qudt.org/schema/qudt/expression",
      "@type" : "http://qudt.org/schema/qudt/LatexString"
    },
    "label" : {
      "@id" : "http://www.w3.org/2000/01/rdf-schema#label"
    },
    "hasQuantityKind" : {
      "@id" : "http://qudt.org/schema/qudt/hasQuantityKind",
      "@type" : "@id"
    },
    "definedUnitOfSystem" : {
      "@id" : "http://qudt.org/schema/qudt/definedUnitOfSystem",
      "@type" : "@id"
    },
    "symbol" : {
      "@id" : "http://qudt.org/schema/qudt/symbol"
    },
    "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#"
  }
}