<?xml version='1.0' encoding='ISO-8859-1'?>
<!DOCTYPE rdf:RDF [
      <!ENTITY rdf 'http://www.w3.org/1999/02/22-rdf-syntax-ns#'>
      <!ENTITY example_chp5
  'http://protege.stanford.edu/example-chp5#'>
      <!ENTITY rdfs 'http://www.w3.org/TR/1999/PR-rdf-schema-19990303#'>
  ]>
<rdf:RDF xmlns:rdf="&rdf;" xmlns:example_chp5="&example_chp5;"
    xmlns:rdfs="&rdfs;">
    <rdfs:Class rdf:about="&example_chp5;Artifacts" rdfs:label="Artifacts">
        <rdfs:subClassOf rdf:resource="&rdfs;Resource" />
    </rdfs:Class>
    <rdfs:Class rdf:about="&example_chp5;DesignDocument"
        rdfs:label="DesignDocument">
        <rdfs:subClassOf rdf:resource="&example_chp5;Artifacts" />
    </rdfs:Class>
    <rdfs:Class rdf:about="&example_chp5;Employee" rdfs:label="Employee">
        <rdfs:subClassOf rdf:resource="&rdfs;Resource" />
    </rdfs:Class>
    <rdfs:Class rdf:about="&example_chp5;Software-Engineer"
        rdfs:label="Software-Engineer">
        <rdfs:subClassOf rdf:resource="&example_chp5;Employee" />
    </rdfs:Class>
    <!--
        Classes SourceCode, System-Analyst, Technology, and Topic omitted
        for brevity. They are similar to the above Classes.
    -->
    <rdf:Property rdf:about="&example_chp5;knows" rdfs:label="knows">
        <rdfs:domain rdf:resource="&example_chp5;Employee" />
        <rdfs:range rdf:resource="&example_chp5;Topic" />
    </rdf:Property>
    <rdf:Property rdf:about="&example_chp5;writes" rdfs:label="writes">
        <rdfs:range rdf:resource="&example_chp5;Artifacts" />
        <rdfs:domain rdf:resource="&example_chp5;Employee" />
    </rdf:Property>
</rdf:RDF>
