Work in progress

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    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:j.0="http://purl.org/dc/terms/"
    xmlns:owl="http://www.w3.org/2002/07/owl#"
    xmlns:j.1="http://www.w3.org/ns/shacl#"
    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/SolidAngleUnit">
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <j.0:description>The solid angle subtended by a surface S is defined as the surface area of a unit sphere covered by the surface S's projection onto the sphere. A solid angle is related to the surface of a sphere in the same way an ordinary angle is related to the circumference of a circle. Since the total surface area of the unit sphere is 4*pi, the measure of solid angle will always be between 0 and 4*pi.</j.0:description>
    <rdfs:isDefinedBy rdf:resource="http://qudt.org/3.0.0/schema/qudt"/>
    <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/>
    <rdf:type rdf:resource="http://www.w3.org/ns/shacl#NodeShape"/>
    <j.0:description>
  The solid angle subtended by a surface S is defined as the surface area of a unit sphere covered by the surface S's projection onto the sphere. 
  A solid angle is related to the surface of a sphere in the same way an ordinary angle is related to the circumference of a circle. 
  Since the total surface area of the unit sphere is 4*pi, the measure of solid angle will always be between 0 and 4*pi.
  </j.0:description>
    <rdfs:isDefinedBy rdf:resource="http://qudt.org/3.0.0/schema/shacl/qudt"/>
    <rdfs:label>Solid Angle Unit</rdfs:label>
    <rdfs:subClassOf rdf:resource="http://qudt.org/schema/qudt/AngleUnit"/>
  </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/SolidAngleUnit>
  rdf:type rdfs:Class ;
  rdf:type owl:Class ;
  rdf:type <http://www.w3.org/ns/shacl#NodeShape> ;
  <http://purl.org/dc/terms/description> """
  The solid angle subtended by a surface S is defined as the surface area of a unit sphere covered by the surface S's projection onto the sphere. 
  A solid angle is related to the surface of a sphere in the same way an ordinary angle is related to the circumference of a circle. 
  Since the total surface area of the unit sphere is 4*pi, the measure of solid angle will always be between 0 and 4*pi.
  """ ;
  <http://purl.org/dc/terms/description> "The solid angle subtended by a surface S is defined as the surface area of a unit sphere covered by the surface S's projection onto the sphere. A solid angle is related to the surface of a sphere in the same way an ordinary angle is related to the circumference of a circle. Since the total surface area of the unit sphere is 4*pi, the measure of solid angle will always be between 0 and 4*pi." ;
  rdfs:isDefinedBy <http://qudt.org/3.0.0/schema/qudt> ;
  rdfs:isDefinedBy <http://qudt.org/3.0.0/schema/shacl/qudt> ;
  rdfs:label "Solid Angle Unit" ;
  rdfs:subClassOf <http://qudt.org/schema/qudt/AngleUnit> ;
.

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 ,"properties":["description":"\n  The solid angle subtended by a surface S is defined as the surface area of a unit sphere covered by the surface S's projection onto the sphere. \n  A solid angle is related to the surface of a sphere in the same way an ordinary angle is related to the circumference of a circle. \n  Since the total surface area of the unit sphere is 4*pi, the measure of solid angle will always be between 0 and 4*pi.\n  " 
    ,"description":"The solid angle subtended by a surface S is defined as the surface area of a unit sphere covered by the surface S's projection onto the sphere. A solid angle is related to the surface of a sphere in the same way an ordinary angle is related to the circumference of a circle. Since the total surface area of the unit sphere is 4*pi, the measure of solid angle will always be between 0 and 4*pi." 
    ,"isDefinedBy":"<http:\/\/qudt.org\/3.0.0\/schema\/qudt>" 
    ,"isDefinedBy":"<http:\/\/qudt.org\/3.0.0\/schema\/shacl\/qudt>" 
    ,"label":"Solid Angle Unit" 
    ,"subClassOf":"qudt:AngleUnit" 
    ,"type":"rdfs:Class" 
    ,"type":"owl:Class" 
    ,"type":"sh:NodeShape" 
    ]}

{
  "@id" : "http://qudt.org/schema/qudt/SolidAngleUnit",
  "@type" : [ "owl:Class", "rdfs:Class", "http://www.w3.org/ns/shacl#NodeShape" ],
  "description" : [ "The solid angle subtended by a surface S is defined as the surface area of a unit sphere covered by the surface S's projection onto the sphere. A solid angle is related to the surface of a sphere in the same way an ordinary angle is related to the circumference of a circle. Since the total surface area of the unit sphere is 4*pi, the measure of solid angle will always be between 0 and 4*pi.", "\n  The solid angle subtended by a surface S is defined as the surface area of a unit sphere covered by the surface S's projection onto the sphere. \n  A solid angle is related to the surface of a sphere in the same way an ordinary angle is related to the circumference of a circle. \n  Since the total surface area of the unit sphere is 4*pi, the measure of solid angle will always be between 0 and 4*pi.\n  " ],
  "isDefinedBy" : [ "http://qudt.org/3.0.0/schema/qudt", "http://qudt.org/3.0.0/schema/shacl/qudt" ],
  "label" : "Solid Angle Unit",
  "subClassOf" : "http://qudt.org/schema/qudt/AngleUnit",
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    "owl" : "http://www.w3.org/2002/07/owl#",
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  }
}