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:j.2="http://www.linkedmodel.org/schema/vaem#"
    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/SoundPressureLevel">
    <j.1:description rdf:datatype="http://qudt.org/schema/qudt/LatexString">Sound pressure level (\(SPL\)) or sound level is a logarithmic measure of the effective sound pressure of a sound relative to a reference value. It is measured in decibels (dB) above a standard reference level.</j.1:description>
    <j.0:informativeReference rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">http://en.wikipedia.org/wiki/Sound_pressure#Sound_pressure_level</j.0:informativeReference>
    <j.0:latexDefinition rdf:datatype="http://qudt.org/schema/qudt/LatexString">\(L_P = 10 \log_{10} \frac{p^2}{p_0^2} dB\), where \(p\) is sound pressure and the reference value in airborne acoustics is \(p_0 = 20 \mu Pa\).</j.0:latexDefinition>
    <rdfs:isDefinedBy rdf:resource="http://qudt.org/2.1/vocab/quantitykind"/>
    <j.0:applicableUnit rdf:resource="http://qudt.org/vocab/unit/B"/>
    <rdfs:label xml:lang="en">Sound pressure level</rdfs:label>
    <j.0:applicableUnit rdf:resource="http://qudt.org/vocab/unit/DeciB"/>
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/QuantityKind"/>
    <j.0:hasDimensionVector rdf:resource="http://qudt.org/vocab/dimensionvector/A0E0L0I0M0H0T0D1"/>
    <j.2:todo>belongs to SOQ-ISO</j.2:todo>
    <j.0:symbol>L</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/quantitykind/SoundPressureLevel>
  rdf:type <http://qudt.org/schema/qudt/QuantityKind> ;
  <http://purl.org/dc/terms/description> "Sound pressure level (\\(SPL\\)) or sound level is a logarithmic measure of the effective sound pressure of a sound relative to a reference value. It is measured in decibels (dB) above a standard reference level."^^<http://qudt.org/schema/qudt/LatexString> ;
  <http://qudt.org/schema/qudt/applicableUnit> <http://qudt.org/vocab/unit/B> ;
  <http://qudt.org/schema/qudt/applicableUnit> <http://qudt.org/vocab/unit/DeciB> ;
  <http://qudt.org/schema/qudt/hasDimensionVector> <http://qudt.org/vocab/dimensionvector/A0E0L0I0M0H0T0D1> ;
  <http://qudt.org/schema/qudt/informativeReference> "http://en.wikipedia.org/wiki/Sound_pressure#Sound_pressure_level"^^xsd:anyURI ;
  <http://qudt.org/schema/qudt/latexDefinition> "\\(L_P = 10 \\log_{10} \\frac{p^2}{p_0^2} dB\\), where \\(p\\) is sound pressure and the reference value in airborne acoustics is \\(p_0 = 20 \\mu Pa\\)."^^<http://qudt.org/schema/qudt/LatexString> ;
  <http://qudt.org/schema/qudt/symbol> "L" ;
  <http://www.linkedmodel.org/schema/vaem#todo> "belongs to SOQ-ISO" ;
  rdfs:isDefinedBy <http://qudt.org/2.1/vocab/quantitykind> ;
  rdfs:label "Sound pressure level"@en ;
.

{"resource":"Sound pressure level" 
 ,"qname":"quantitykind:SoundPressureLevel" 
 ,"uri":"http:\/\/qudt.org\/vocab\/quantitykind\/SoundPressureLevel" 
 ,"properties":["applicable unit":"unit:B" 
    ,"applicable unit":"unit:DeciB" 
    ,"description":"Sound pressure level (\\(SPL\\)) or sound level is a logarithmic measure of the effective sound pressure of a sound relative to a reference value. It is measured in decibels (dB) above a standard reference level." 
    ,"has dimension vector":"dimension:A0E0L0I0M0H0T0D1" 
    ,"informative reference":"http:\/\/en.wikipedia.org\/wiki\/Sound_pressure#Sound_pressure_level" 
    ,"isDefinedBy":"<http:\/\/qudt.org\/2.1\/vocab\/quantitykind>" 
    ,"label":"Sound pressure level" 
    ,"latex definition":"\\(L_P = 10 \\log_{10} \\frac{p^2}{p_0^2} dB\\), where \\(p\\) is sound pressure and the reference value in airborne acoustics is \\(p_0 = 20 \\mu Pa\\)." 
    ,"symbol":"L" 
    ,"todo":"belongs to SOQ-ISO" 
    ,"type":"qudt:QuantityKind" 
    ]}

{
  "@id" : "http://qudt.org/vocab/quantitykind/SoundPressureLevel",
  "@type" : "http://qudt.org/schema/qudt/QuantityKind",
  "description" : "Sound pressure level (\\(SPL\\)) or sound level is a logarithmic measure of the effective sound pressure of a sound relative to a reference value. It is measured in decibels (dB) above a standard reference level.",
  "applicableUnit" : [ "http://qudt.org/vocab/unit/B", "http://qudt.org/vocab/unit/DeciB" ],
  "hasDimensionVector" : "http://qudt.org/vocab/dimensionvector/A0E0L0I0M0H0T0D1",
  "informativeReference" : "http://en.wikipedia.org/wiki/Sound_pressure#Sound_pressure_level",
  "latexDefinition" : "\\(L_P = 10 \\log_{10} \\frac{p^2}{p_0^2} dB\\), where \\(p\\) is sound pressure and the reference value in airborne acoustics is \\(p_0 = 20 \\mu Pa\\).",
  "symbol" : "L",
  "todo" : "belongs to SOQ-ISO",
  "isDefinedBy" : "http://qudt.org/2.1/vocab/quantitykind",
  "label" : {
    "@language" : "en",
    "@value" : "Sound pressure level"
  },
  "@context" : {
    "description" : {
      "@id" : "http://purl.org/dc/terms/description",
      "@type" : "http://qudt.org/schema/qudt/LatexString"
    },
    "informativeReference" : {
      "@id" : "http://qudt.org/schema/qudt/informativeReference",
      "@type" : "http://www.w3.org/2001/XMLSchema#anyURI"
    },
    "latexDefinition" : {
      "@id" : "http://qudt.org/schema/qudt/latexDefinition",
      "@type" : "http://qudt.org/schema/qudt/LatexString"
    },
    "isDefinedBy" : {
      "@id" : "http://www.w3.org/2000/01/rdf-schema#isDefinedBy",
      "@type" : "@id"
    },
    "applicableUnit" : {
      "@id" : "http://qudt.org/schema/qudt/applicableUnit",
      "@type" : "@id"
    },
    "label" : {
      "@id" : "http://www.w3.org/2000/01/rdf-schema#label"
    },
    "hasDimensionVector" : {
      "@id" : "http://qudt.org/schema/qudt/hasDimensionVector",
      "@type" : "@id"
    },
    "todo" : {
      "@id" : "http://www.linkedmodel.org/schema/vaem#todo"
    },
    "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#"
  }
}