@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix iso19150-2: <http://def.isotc211.org/iso19150-2/2012/base#> .

<http://shapechange.net/resources/ont/base>
  a owl:Ontology ;
  rdfs:comment "Types and properties used in application schemas."@en ;
  rdfs:label "ShapeChange base"@en ;
  owl:versionInfo "0.2" .

<http://shapechange.net/resources/ont/base#Measure>
  a rdfs:Datatype ;
  skos:notation "Measure"^^xsd:NCName ;
  skos:prefLabel "measure"@en ;
  skos:defnition "A text representation of a measure value. The decimal value is followed by a space and the unit of the measure." .

<http://shapechange.net/resources/ont/base#Sign>
  a rdfs:Datatype ;
  iso19150-2:isEnumeration true ;
  owl:oneOf (
   <http://shapechange.net/resources/ont/base#+>
   <http://shapechange.net/resources/ont/base#->
 ) ;
  skos:notation "Sign"^^xsd:NCName ;
  skos:prefLabel "sign"@en .

<http://shapechange.net/resources/ont/base#+> a owl:Thing .
<http://shapechange.net/resources/ont/base#-> a owl:Thing .