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/quantitykind/LuminousEfficacy">
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/QuantityKind"/>
    <j.0:applicableUnit rdf:resource="http://qudt.org/vocab/unit/LM-PER-W"/>
    <j.0:expression rdf:datatype="http://qudt.org/schema/qudt/LatexString">\(lm/w\)</j.0:expression>
    <j.0:informativeReference rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">http://en.wikipedia.org/wiki/Luminous_efficacy</j.0:informativeReference>
    <j.0:latexDefinition rdf:datatype="http://qudt.org/schema/qudt/LatexString">\(K = \frac{\Phi_v}{\Phi}\), where \(\Phi_v\) is the luminous flux and \(\Phi\) is the corresponding radiant flux.</j.0:latexDefinition>
    <j.0:plainTextDescription>Luminous Efficacy is the ratio of luminous flux (in lumens) to power (usually measured in watts). Depending on context, the power can be either the radiant flux of the source's output, or it can be the total electric power consumed by the source.</j.0:plainTextDescription>
    <rdfs:isDefinedBy rdf:resource="http://qudt.org/2.1/vocab/quantitykind"/>
    <rdfs:label xml:lang="en">Luminous Efficacy</rdfs:label>
  </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/quantitykind/LuminousEfficacy>
  rdf:type <http://qudt.org/schema/qudt/QuantityKind> ;
  <http://qudt.org/schema/qudt/applicableUnit> <http://qudt.org/vocab/unit/LM-PER-W> ;
  <http://qudt.org/schema/qudt/expression> "\\(lm/w\\)"^^<http://qudt.org/schema/qudt/LatexString> ;
  <http://qudt.org/schema/qudt/informativeReference> "http://en.wikipedia.org/wiki/Luminous_efficacy"^^xsd:anyURI ;
  <http://qudt.org/schema/qudt/latexDefinition> "\\(K = \\frac{\\Phi_v}{\\Phi}\\), where \\(\\Phi_v\\) is the luminous flux and \\(\\Phi\\) is the corresponding radiant flux."^^<http://qudt.org/schema/qudt/LatexString> ;
  <http://qudt.org/schema/qudt/plainTextDescription> "Luminous Efficacy is the ratio of luminous flux (in lumens) to power (usually measured in watts). Depending on context, the power can be either the radiant flux of the source's output, or it can be the total electric power consumed by the source." ;
  rdfs:isDefinedBy <http://qudt.org/2.1/vocab/quantitykind> ;
  rdfs:label "Luminous Efficacy"@en ;
.

{"resource":"Luminous Efficacy" 
 ,"qname":"quantitykind:LuminousEfficacy" 
 ,"uri":"http:\/\/qudt.org\/vocab\/quantitykind\/LuminousEfficacy" 
 ,"properties":["applicable unit":"unit:LM-PER-W" 
    ,"description (plain text)":"Luminous Efficacy is the ratio of luminous flux (in lumens) to power (usually measured in watts). Depending on context, the power can be either the radiant flux of the source's output, or it can be the total electric power consumed by the source." 
    ,"expression":"\\(lm\/w\\)" 
    ,"informative reference":"http:\/\/en.wikipedia.org\/wiki\/Luminous_efficacy" 
    ,"isDefinedBy":"<http:\/\/qudt.org\/2.1\/vocab\/quantitykind>" 
    ,"label":"Luminous Efficacy" 
    ,"latex definition":"\\(K = \\frac{\\Phi_v}{\\Phi}\\), where \\(\\Phi_v\\) is the luminous flux and \\(\\Phi\\) is the corresponding radiant flux." 
    ,"type":"qudt:QuantityKind" 
    ]}

{
  "@id" : "http://qudt.org/vocab/quantitykind/LuminousEfficacy",
  "@type" : "http://qudt.org/schema/qudt/QuantityKind",
  "applicableUnit" : "http://qudt.org/vocab/unit/LM-PER-W",
  "expression" : "\\(lm/w\\)",
  "informativeReference" : "http://en.wikipedia.org/wiki/Luminous_efficacy",
  "latexDefinition" : "\\(K = \\frac{\\Phi_v}{\\Phi}\\), where \\(\\Phi_v\\) is the luminous flux and \\(\\Phi\\) is the corresponding radiant flux.",
  "plainTextDescription" : "Luminous Efficacy is the ratio of luminous flux (in lumens) to power (usually measured in watts). Depending on context, the power can be either the radiant flux of the source's output, or it can be the total electric power consumed by the source.",
  "isDefinedBy" : "http://qudt.org/2.1/vocab/quantitykind",
  "label" : {
    "@language" : "en",
    "@value" : "Luminous Efficacy"
  },
  "@context" : {
    "applicableUnit" : {
      "@id" : "http://qudt.org/schema/qudt/applicableUnit",
      "@type" : "@id"
    },
    "expression" : {
      "@id" : "http://qudt.org/schema/qudt/expression",
      "@type" : "http://qudt.org/schema/qudt/LatexString"
    },
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    },
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      "@type" : "http://qudt.org/schema/qudt/LatexString"
    },
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      "@id" : "http://qudt.org/schema/qudt/plainTextDescription"
    },
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      "@id" : "http://www.w3.org/2000/01/rdf-schema#isDefinedBy",
      "@type" : "@id"
    },
    "label" : {
      "@id" : "http://www.w3.org/2000/01/rdf-schema#label"
    },
    "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#"
  }
}