<?xml version='1.0' ?>
<!DOCTYPE swrlx:Ontology [
	 <!ENTITY ulan 'http://example.org/ulan#'>
	 <!ENTITY aat 'http://example.org/aat#'>
	 <!ENTITY aatulan 'http://example.org/aatulan#'>
	 <!ENTITY vra 'http://example.org/vra#'>
]>

<swrlx:Ontology
  xmlns:owlx="http://www.w3.org/2003/05/owl-xml"
  xmlns:swrlx="http://www.w3.org/2003/11/swrlx"
  xmlns:ruleml="http://www.w3.org/2003/11/ruleml">
  <owlx:Annotation>
    <owlx:Documentation>SWRL Example 5.1-3</owlx:Documentation>
  </owlx:Annotation>
  <owlx:VersionInfo>$Id: example5.1-3.swrlx,v 1.1 2004/05/21 18:46:39 vivien Exp $</owlx:VersionInfo>

<ruleml:var>x</ruleml:var>
<ruleml:var>y</ruleml:var>
<ruleml:var>z</ruleml:var>

<ruleml:imp> 
  <ruleml:_body> 
    <swrlx:classAtom> 
      <owlx:Class owlx:name="&ulan;Artist" />
      <ruleml:var>x</ruleml:var>
    </swrlx:classAtom> 
    <swrlx:classAtom> 
      <owlx:Class owlx:name="&aat;Style" />
      <ruleml:var>y</ruleml:var>
    </swrlx:classAtom> 
    <swrlx:individualPropertyAtom  swrlx:property="&aatulan;artistStyle"> 
      <ruleml:var>x</ruleml:var>
      <ruleml:var>y</ruleml:var>
    </swrlx:individualPropertyAtom> 
    <swrlx:individualPropertyAtom  swrlx:property="&vra;creator"> 
      <ruleml:var>x</ruleml:var>
      <ruleml:var>z</ruleml:var>
    </swrlx:individualPropertyAtom> 
  </ruleml:_body> 
  <ruleml:_head> 
    <swrlx:individualPropertyAtom  swrlx:property="&vra;style/period"> 
      <ruleml:var>z</ruleml:var>
      <ruleml:var>y</ruleml:var>
    </swrlx:individualPropertyAtom> 
  </ruleml:_head> 
</ruleml:imp> 

</swrlx:Ontology>
