Work in progress

<rdf:RDF
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    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/schema/qudt/floatPercentage">
    <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Datatype"/>
    <owl:equivalentClass rdf:nodeID="A0"/>
    <rdfs:isDefinedBy rdf:resource="http://qudt.org/2.1/schema/qudt"/>
    <rdfs:label>float percentage</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/schema/qudt/floatPercentage>
  rdf:type rdfs:Datatype ;
  rdfs:isDefinedBy <http://qudt.org/2.1/schema/qudt> ;
  rdfs:label "float percentage" ;
  owl:equivalentClass [] ;
.

{"resource":"float percentage" 
 ,"qname":"qudt:floatPercentage" 
 ,"uri":"http:\/\/qudt.org\/schema\/qudt\/floatPercentage" 
 ,"properties":["equivalentClass":null 
    ,"isDefinedBy":"<http:\/\/qudt.org\/2.1\/schema\/qudt>" 
    ,"label":"float percentage" 
    ,"type":"rdfs:Datatype" 
    ]}

{
  "@id" : "http://qudt.org/schema/qudt/floatPercentage",
  "@type" : "rdfs:Datatype",
  "isDefinedBy" : "http://qudt.org/2.1/schema/qudt",
  "label" : "float percentage",
  "equivalentClass" : "_:b0",
  "@context" : {
    "equivalentClass" : {
      "@id" : "http://www.w3.org/2002/07/owl#equivalentClass",
      "@type" : "@id"
    },
    "isDefinedBy" : {
      "@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#"
  }
}