Work in progress

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    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">
    <j.0:hasDimensionVector rdf:resource="http://qudt.org/vocab/dimensionvector/A0E0L-2I1M-1H0T3D0"/>
    <rdfs:label xml:lang="en">Luminous Efficacy</rdfs:label>
    <j.0:expression rdf:datatype="http://qudt.org/schema/qudt/LatexString">$lm/w$</j.0:expression>
    <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>
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    <j.1:description rdf:datatype="http://www.w3.org/1999/02/22-rdf-syntax-ns#HTML">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.1:description>
    <j.0:iec61360Code>0112/2///62720#UAD091</j.0:iec61360Code>
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/QuantityKind"/>
    <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>
    <j.0:applicableUnit rdf:resource="http://qudt.org/vocab/unit/LM-PER-W"/>
    <j.0:informativeReference rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">http://en.wikipedia.org/wiki/Luminous_efficacy</j.0:informativeReference>
  </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://purl.org/dc/terms/description> "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."^^rdf:HTML ;
  <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/hasDimensionVector> <http://qudt.org/vocab/dimensionvector/A0E0L-2I1M-1H0T3D0> ;
  <http://qudt.org/schema/qudt/iec61360Code> "0112/2///62720#UAD091" ;
  <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 ;
.

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 ,"properties":["applicable unit":"unit:LM-PER-W" 
    ,"description":"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." 
    ,"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":"$lm\/w$" 
    ,"has dimension vector":"dimension:A0E0L-2I1M-1H0T3D0" 
    ,"iec-61360 code":"0112\/2\/\/\/62720#UAD091" 
    ,"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" 
    ]}

{
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  "description" : "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.",
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