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<!DOCTYPE rdf:RDF [
     <!ENTITY ocyc "http://sw.opencyc.org/concept/" >
     <!ENTITY cyc  "http://sw.cyc.com/concept/" >
     <!ENTITY rdf  "http://www.w3.org/1999/02/22-rdf-syntax-ns#" >
     <!ENTITY rdfs "http://www.w3.org/2000/01/rdf-schema#" >
     <!ENTITY xsd  "http://www.w3.org/2001/XMLSchema#" >
     <!ENTITY owl  "http://www.w3.org/2002/07/owl#" >
   ]>

<rdf:RDF xml:base="http://sw.opencyc.org/concept/"
         xmlns="http://sw.opencyc.org/concept/"
         xmlns:cycAnnot="http://sw.cyc.com/CycAnnotations_v1#"
         xmlns:rdf="&rdf;"
         xmlns:rdfs="&rdfs;"
         xmlns:owl="&owl;"
         xmlns:xsd="&xsd;">

  <owl:Ontology rdf:about="http://sw.opencyc.org/concept/">
    <owl:versionInfo>2009/04/07</owl:versionInfo>
    <rdfs:comment xml:lang="en">

       OpenCyc Knowledge Base

       Copyright© 2001-2009 Cycorp, Inc., http://www.cyc.com/, Austin, TX, USA

       This file contains an OWL representation of information contained
       in the OpenCyc Knowledge Base. The content of this OWL file is
       licensed under the Creative Commons Attribution 3.0 license whose
       text can be found at http://creativecommons.org/licenses/by/3.0/legalcode.
       The content of this OWL file, including the OpenCyc content it represents,
       constitutes the &quot;Work&quot; referred to in the Creative Commons license. The terms of
       this license equally apply to, without limitation, renamings and other
       logically equivalent reformulations of the content of this OWL file
       (or portions thereof) in any natural or formal language, as well
       as to derivations of this content or inclusion of it in other ontologies.

       Mappings between OpenCyc terms and Wikipedia article names provided by
       Olena Medelyan and Catherine Legg, University of Waikato, NZ under a Creative 
       Commons Attribution 3.0 license.

    </rdfs:comment>
  </owl:Ontology>

  <owl:AnnotationProperty rdf:about="http://sw.cyc.com/CycAnnotations_v1#externalID">
    <rdfs:label xml:lang="en">externalID</rdfs:label>
    <rdfs:comment xml:lang="en">
      A unique, language-neutral, variable-sized identifier
      for a concept that can be used to refer unambiguously to that concept across 
      OWL exports or across Cyc inference engines.
    </rdfs:comment>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#FunctionalProperty"/>
  </owl:AnnotationProperty>

  <owl:AnnotationProperty rdf:about="http://sw.cyc.com/CycAnnotations_v1#label">
    <rdfs:label xml:lang="en">label</rdfs:label>
    <rdfs:comment xml:lang="en">
      A natural-language representation for a concept that is both human 
      readable and readable by the Cyc inference engine. These terms are not 
      guaranteed to refer to the same concept across time but are guaranteed to
      be consistent within a particular OWL export. Use 'cycAnnot:externalID'
      for unambiguously referring to a concept across OWL exports or across Cyc
      inference engines.
    </rdfs:comment>
  </owl:AnnotationProperty>

  <owl:Class rdf:about="Mx4rwDAgt5wpEbGdrcN5Y29ycA">
    <rdfs:comment xml:lang="en">&lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwDAgt5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;OperaSinger&lt;/a&gt; is the collection of persons who make a living as opera singers.</rdfs:comment>
    <cycAnnot:label xml:lang="en">OperaSinger</cycAnnot:label>
    <rdfs:label xml:lang="en">opera singer</rdfs:label>
    <rdfs:subClassOf rdf:resource="Mx4rvVjiz5wpEbGdrcN5Y29ycA"/>
    <rdfs:subClassOf rdf:resource="Mx4rvVjaHZwpEbGdrcN5Y29ycA"/>
    <rdf:type rdf:resource="Mx4rvVii2ZwpEbGdrcN5Y29ycA"/>
    <rdf:type rdf:resource="Mx4rvVyCJZwpEbGdrcN5Y29ycA"/>
    <owl:sameAs rdf:resource="http://dbpedia.org/resource/Opera"/>
    <owl:sameAs rdf:resource="http://umbel.org/umbel/sc/OperaSinger"/>
    <owl:sameAs rdf:resource="&cyc;Mx4rwDAgt5wpEbGdrcN5Y29ycA"/>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">opera singers</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rTv-jk9SPTXa991kk5mAvHg>Opera</Mx4rTv-jk9SPTXa991kk5mAvHg>
    <Mx4rNv0nbm4TTjOp7yhmnzOyqg>http://en.wikipedia.org/wiki/Opera</Mx4rNv0nbm4TTjOp7yhmnzOyqg>
  </owl:Class>

  <owl:ObjectProperty rdf:about="Mx4rwLSVCpwpEbGdrcN5Y29ycA">
    <rdfs:label xml:lang="en">Pretty String</rdfs:label>
    <rdfs:comment xml:lang="en">(&lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwLSVCpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;prettyString&lt;/a&gt; TERM STRING) means that STRING is the English word or expression (sequence of words) commonly used to refer to TERM.  The predicate &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwLSVCpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;prettyString&lt;/a&gt; is used by the code which generates CycL to English paraphrases, but its applicability is not restricted to this use.</rdfs:comment>
    <cycAnnot:label xml:lang="en">prettyString</cycAnnot:label>
  </owl:ObjectProperty>

  <owl:ObjectProperty rdf:about="Mx4rNv0nbm4TTjOp7yhmnzOyqg">
    <rdfs:label xml:lang="en">Wikipedia Article URL</rdfs:label>
    <rdfs:comment xml:lang="en">(&lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rNv0nbm4TTjOp7yhmnzOyqg&quot; class=&quot;cyc_term&quot;&gt;wikipediaArticleURL&lt;/a&gt; THING URL) means that in &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rtqXA6OC8QdiWC72DuLJdUw&quot; class=&quot;cyc_term&quot;&gt;Wikipedia_WebSite&lt;/a&gt; THING is described by an article located at URL</rdfs:comment>
    <cycAnnot:label xml:lang="en">wikipediaArticleURL</cycAnnot:label>
  </owl:ObjectProperty>

  <owl:Class rdf:about="Mx4rvVii2ZwpEbGdrcN5Y29ycA">
    <rdfs:label xml:lang="en">type of profession</rdfs:label>
    <rdfs:comment xml:lang="en">A collection of collections and a specialization of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvWgxLZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;PersonTypeByActivity&lt;/a&gt; (q.v.).  Each instance of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVii2ZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;PersonTypeByOccupation&lt;/a&gt; is a collection of workers (see &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjnN5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;PersonWithOccupation&lt;/a&gt;) and is defined in terms of the kind of work done.  The various instances of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVii2ZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;PersonTypeByOccupation&lt;/a&gt; correspond to jobs of all kinds, and not just to those colloquially called &amp;quot;professions&amp;quot;.  Examples include &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjONJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ComputerProgrammerProfessional&lt;/a&gt;, &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjkWZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;FoodServiceEmployee&lt;/a&gt;, &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwQwxbpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;MedicalCareProfessional&lt;/a&gt;, &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwQwl6JwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;SalesRepresentative&lt;/a&gt;, &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjilJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Brewer&lt;/a&gt;, and many others.  See also &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwQr5OpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;PersonTypeByPositionInOrg&lt;/a&gt;.</rdfs:comment>
    <cycAnnot:label xml:lang="en">PersonTypeByOccupation</cycAnnot:label>
  </owl:Class>

  <owl:Thing rdf:about="http://umbel.org/umbel/sc/OperaSinger">
    <rdfs:comment xml:lang="en">&lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwDAgt5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;OperaSinger&lt;/a&gt; is the collection of persons who make a living as opera singers.</rdfs:comment>
    <cycAnnot:label xml:lang="en">OperaSinger</cycAnnot:label>
    <rdfs:label xml:lang="en">opera singer</rdfs:label>
  </owl:Thing>

  <owl:Class rdf:about="&cyc;Mx4rwDAgt5wpEbGdrcN5Y29ycA">
    <rdfs:comment xml:lang="en">&lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwDAgt5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;OperaSinger&lt;/a&gt; is the collection of persons who make a living as opera singers.</rdfs:comment>
    <cycAnnot:label xml:lang="en">OperaSinger</cycAnnot:label>
    <rdfs:label xml:lang="en">opera singer</rdfs:label>
  </owl:Class>

  <owl:Thing rdf:about="http://dbpedia.org/resource/Opera">
    <rdfs:comment xml:lang="en">&lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwDAgt5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;OperaSinger&lt;/a&gt; is the collection of persons who make a living as opera singers.</rdfs:comment>
    <cycAnnot:label xml:lang="en">OperaSinger</cycAnnot:label>
    <rdfs:label xml:lang="en">opera singer</rdfs:label>
  </owl:Thing>

  <owl:Class rdf:about="Mx4rvVjiz5wpEbGdrcN5Y29ycA">
    <rdfs:label xml:lang="en">singer</rdfs:label>
    <rdfs:comment xml:lang="en">A sub-collection of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjqXpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;MusicalPerformer&lt;/a&gt;. Each instance is a person who sings.</rdfs:comment>
    <cycAnnot:label xml:lang="en">Singer</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx4rvVjaHZwpEbGdrcN5Y29ycA">
    <cycAnnot:label xml:lang="en">Actor</cycAnnot:label>
    <rdfs:comment xml:lang="en">The collection of people whose job it is to entertain others by taking on the roles of other characters in &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwQtvcJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;DramaticPerformance&lt;/a&gt;s.  Note that an &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjaHZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Actor&lt;/a&gt; may be &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rAu7tPpCSQdeeTei3nO_QvQ&quot; class=&quot;cyc_term&quot;&gt;Male&lt;/a&gt; or &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4r9nr3lpCRQdeAoZ4auvW2zg&quot; class=&quot;cyc_term&quot;&gt;Female&lt;/a&gt;.</rdfs:comment>
    <rdfs:label xml:lang="en">actor</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx4rvVyCJZwpEbGdrcN5Y29ycA">
    <rdfs:comment xml:lang="en">&lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVyCJZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ActorTypeByMedium&lt;/a&gt; is a collection of collections. Each element is a collection of &lt;font color=&quot;#ff0000&quot;&gt;#$ActorActresses&lt;/font&gt; grouped by the dramatic medium in which they work. Some examples are &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwNFwmZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ActorInPlays&lt;/a&gt; and &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwMRyTJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ActorInMovies&lt;/a&gt;. The motivation for creating this collection is to make use of a faceting of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjaHZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Actor&lt;/a&gt; to generate English questions to aid classification. See &lt;font color=&quot;#ff0000&quot;&gt;#$NoteAboutHowFacetAssertionsAreUsed&lt;/font&gt;. Since instances of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjaHZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Actor&lt;/a&gt; can work in more than one medium, the elements of this collection need not be disjoint.</rdfs:comment>
    <cycAnnot:label xml:lang="en">ActorTypeByMedium</cycAnnot:label>
    <rdfs:label xml:lang="en">type of actor classified by medium</rdfs:label>
  </owl:Class>

  <owl:ObjectProperty rdf:about="Mx4rTv-jk9SPTXa991kk5mAvHg">
    <cycAnnot:label xml:lang="en">wikipediaArticleName</cycAnnot:label>
    <rdfs:comment xml:lang="en">(&lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rTv-jk9SPTXa991kk5mAvHg&quot; class=&quot;cyc_term&quot;&gt;wikipediaArticleName&lt;/a&gt; THING NAME) means that in &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rtqXA6OC8QdiWC72DuLJdUw&quot; class=&quot;cyc_term&quot;&gt;Wikipedia_WebSite&lt;/a&gt; THING is described by an article with the title NAME</rdfs:comment>
    <rdfs:label xml:lang="en">Wikipedia Article Name</rdfs:label>
  </owl:ObjectProperty>

</rdf:RDF>
