<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE rdf:RDF [
  <!ENTITY xsd "http://www.w3.org/2001/XMLSchema#">
  <!ENTITY rdf "http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <!ENTITY rdfs "http://www.w3.org/2000/01/rdf-schema#">
  <!ENTITY owl "http://www.w3.org/2002/07/owl#">
  <!ENTITY mediawiki "https://www.mediawiki.org/ontology#">
]>

<rdf:RDF
  xmlns:xsd="&xsd;"
  xmlns:rdf="&rdf;"
  xmlns:rdfs="&rdfs;"
  xmlns:owl="&owl;"
>

  <owl:Ontology rdf:about="&mediawiki;">
    <rdfs:label>MediaWiki ontology</rdfs:label>
    <rdfs:comment>The ontology of MediaWiki</rdfs:comment>
  </owl:Ontology>

  <!--
  ///////////////////////////////////////////////////////////////////////////////////////
  //
  // Classes
  //
  ///////////////////////////////////////////////////////////////////////////////////////
  -->

  <owl:Class rdf:about="&mediawiki;Dump">
    <rdfs:label>Dump</rdfs:label>
    <rdfs:comment>A dump of MediaWiki content.</rdfs:comment>
  </owl:Class>

  <owl:Class rdf:about="&mediawiki;Category">
    <rdfs:label>Category</rdfs:label>
    <rdfs:comment>MediaWiki category.</rdfs:comment>
  </owl:Class>

  <owl:Class rdf:about="&mediawiki;HiddenCategory">
    <rdfs:label>HiddenCategory</rdfs:label>
    <rdfs:comment>MediaWiki hidden category.</rdfs:comment>
  </owl:Class>

  <!--
  ///////////////////////////////////////////////////////////////////////////////////////
  //
  // Properties
  //
  ///////////////////////////////////////////////////////////////////////////////////////
  -->

  <owl:ObjectProperty rdf:about="&mediawiki;isInCategory">
      <rdfs:label>isInCategory</rdfs:label>
      <rdfs:comment>One category is the parent of another.</rdfs:comment>
      <rdfs:range rdf:resource="&mediawiki;Category"/>
      <rdfs:domain rdf:resource="&mediawiki;Category"/>
  </owl:ObjectProperty>

  <owl:DatatypeProperty rdf:about="&mediawiki;pages">
      <rdfs:label>pages</rdfs:label>
      <rdfs:comment>Number of articles belonging to this category.</rdfs:comment>
      <rdfs:range rdf:resource="&mediawiki;Category"/>
      <rdfs:range rdf:resource="&xsd;integer"/>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:about="&mediawiki;subcategories">
      <rdfs:label>subcategories</rdfs:label>
      <rdfs:comment>Number of subcategories belonging to this category.</rdfs:comment>
      <rdfs:range rdf:resource="&mediawiki;Category"/>
      <rdfs:range rdf:resource="&xsd;integer"/>
  </owl:DatatypeProperty>

</rdf:RDF>