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     <!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="Mx4rwPlNxpwpEbGdrcN5Y29ycA">
    <rdfs:comment xml:lang="en">This is the collection of instances of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvvm9OJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Poem_CW&lt;/a&gt; which are on the topic of love.</rdfs:comment>
    <cycAnnot:label xml:lang="en">LovePoem</cycAnnot:label>
    <rdfs:label xml:lang="en">love poem</rdfs:label>
    <rdfs:subClassOf rdf:resource="Mx4rvvm9OJwpEbGdrcN5Y29ycA"/>
    <rdf:type rdf:resource="Mx4rvVirnZwpEbGdrcN5Y29ycA"/>
    <owl:sameAs rdf:resource="&cyc;Mx4rwPlNxpwpEbGdrcN5Y29ycA"/>
    <owl:sameAs rdf:resource="http://dbpedia.org/resource/Poetry"/>
    <owl:sameAs rdf:resource="http://umbel.org/umbel/sc/LovePoem"/>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">love poems</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">love poetry</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rTv-jk9SPTXa991kk5mAvHg>Poetry</Mx4rTv-jk9SPTXa991kk5mAvHg>
    <Mx4rNv0nbm4TTjOp7yhmnzOyqg>http://en.wikipedia.org/wiki/Poetry</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:Class rdf:about="&cyc;Mx4rwPlNxpwpEbGdrcN5Y29ycA">
    <rdfs:comment xml:lang="en">This is the collection of instances of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvvm9OJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Poem_CW&lt;/a&gt; which are on the topic of love.</rdfs:comment>
    <cycAnnot:label xml:lang="en">LovePoem</cycAnnot:label>
    <rdfs:label xml:lang="en">love poem</rdfs:label>
  </owl:Class>

  <owl:Thing rdf:about="http://dbpedia.org/resource/Poetry">
    <rdfs:comment xml:lang="en">This is the collection of instances of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvvm9OJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Poem_CW&lt;/a&gt; which are on the topic of love.</rdfs:comment>
    <cycAnnot:label xml:lang="en">LovePoem</cycAnnot:label>
    <rdfs:label xml:lang="en">love poem</rdfs:label>
  </owl:Thing>

  <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="Mx4rvvm9OJwpEbGdrcN5Y29ycA">
    <cycAnnot:label xml:lang="en">Poem-CW</cycAnnot:label>
    <rdfs:label xml:lang="en">poem</rdfs:label>
    <rdfs:comment xml:lang="en">A collection of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwADAK5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;PoeticWork&lt;/a&gt;s. Each instance of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvvm9OJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Poem_CW&lt;/a&gt; is a poetic literary work that is complete in itself - unlike a &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwCZRBZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Lyric_WordsToSong&lt;/a&gt; it need not be an integral part of a piece of music, and unlike a &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvViIrpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;PlayScript&lt;/a&gt; it is not associated with sets and &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVkDhJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Costume&lt;/a&gt;s and does not contain stage directions. &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvvm9OJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Poem_CW&lt;/a&gt;s are sometimes recited publicly and in modern times are distributed in text form.</rdfs:comment>
  </owl:Class>

  <owl:Thing rdf:about="http://umbel.org/umbel/sc/LovePoem">
    <rdfs:comment xml:lang="en">This is the collection of instances of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvvm9OJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Poem_CW&lt;/a&gt; which are on the topic of love.</rdfs:comment>
    <cycAnnot:label xml:lang="en">LovePoem</cycAnnot:label>
    <rdfs:label xml:lang="en">love poem</rdfs:label>
  </owl:Thing>

  <owl:Class rdf:about="Mx4rvVirnZwpEbGdrcN5Y29ycA">
    <cycAnnot:label xml:lang="en">ObjectType</cycAnnot:label>
    <rdfs:label xml:lang="en">type of object</rdfs:label>
    <rdfs:comment xml:lang="en">The collection of all collections that are &amp;quot;object-like&amp;quot; in at least one respect. A collection &lt;code&gt;&lt;b&gt;COL&lt;/b&gt;&lt;/code&gt; is object-like just in case there is some sense of &apos;part&apos; according to which any (or nearly any) given proper part of an instance of &lt;code&gt;&lt;b&gt;COL&lt;/b&gt;&lt;/code&gt; is &lt;i&gt;not&lt;/i&gt; itself an instance of &lt;code&gt;&lt;b&gt;COL&lt;/b&gt;&lt;/code&gt;; when this happens &lt;code&gt;&lt;b&gt;COL&lt;/b&gt;&lt;/code&gt; is said to be object-like with respect to that sense of &apos;part&apos;.
&lt;p/&gt;
More precisely, for a collection &lt;code&gt;&lt;b&gt;COL&lt;/b&gt;&lt;/code&gt; to be an instance of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVirnZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ObjectType&lt;/a&gt; it is sufficient that there be some specialization &lt;code&gt;&lt;b&gt;PARTPRED&lt;/b&gt;&lt;/code&gt; of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwgfukKs8QdePzLB9nLNpTw&quot; class=&quot;cyc_term&quot;&gt;properParts&lt;/a&gt; such that, for any &lt;code&gt;&lt;b&gt;OBJ1&lt;/b&gt;&lt;/code&gt; and &lt;code&gt;&lt;b&gt;OBJ2&lt;/b&gt;&lt;/code&gt;, if &lt;code&gt;(&lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvViBBJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;isa&lt;/a&gt; &lt;b&gt;OBJ1&lt;/b&gt; &lt;b&gt;COL&lt;/b&gt;)&lt;/code&gt; and &lt;code&gt;(&lt;b&gt;PARTPRED&lt;/b&gt; &lt;b&gt;OBJ1&lt;/b&gt; &lt;b&gt;OBJ2&lt;/b&gt;)&lt;/code&gt; both hold, then &lt;code&gt;(&lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvViBBJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;isa&lt;/a&gt; &lt;b&gt;OBJ2&lt;/b&gt; &lt;b&gt;COL&lt;/b&gt;)&lt;/code&gt; does &lt;i&gt;not&lt;/i&gt; hold.  (Also sufficient for &lt;code&gt;&lt;b&gt;COL&lt;/b&gt;&lt;/code&gt;&apos;s being an object-type is that there be some specialization &lt;code&gt;&lt;b&gt;INVPARTPRED&lt;/b&gt;&lt;/code&gt; of the &lt;i&gt;inverse&lt;/i&gt; of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwgfukKs8QdePzLB9nLNpTw&quot; class=&quot;cyc_term&quot;&gt;properParts&lt;/a&gt; (see &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvWHsNJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;genlInverse&lt;/a&gt;) such that &lt;code&gt;(&lt;b&gt;INVPARTPRED&lt;/b&gt; &lt;b&gt;OBJ2&lt;/b&gt; &lt;b&gt;OBJ1&lt;/b&gt;)&lt;/code&gt;, with everything else remaining the same as above.)  Note that neither of the above sufficient conditions for &lt;code&gt;&lt;b&gt;COL&lt;/b&gt;&lt;/code&gt;&apos;s being an object-type is strictly necessary: some exceptions are allowed.  Thus as long as either one of the above conditionals holds in &lt;i&gt;nearly&lt;/i&gt; all cases, &lt;code&gt;&lt;b&gt;COL&lt;/b&gt;&lt;/code&gt; should be considered an instance of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVirnZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ObjectType&lt;/a&gt;.
&lt;p/&gt;
Here are two examples.  Consider &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvViVwZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Automobile&lt;/a&gt;.  Take an instance of that, say my car.  Now consider one of the proper &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVj5FpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;physicalParts&lt;/a&gt; of my car, say the steering wheel.  The steering wheel is &lt;i&gt;not&lt;/i&gt; an instance of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvViVwZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Automobile&lt;/a&gt;.  And the same would be true for any proper physical part of any car.  So &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvViVwZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Automobile&lt;/a&gt; is an &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVirnZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ObjectType&lt;/a&gt;.  Consider &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjyV5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;CalendarYear&lt;/a&gt;. No proper &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvWn4OZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;timeSlices&lt;/a&gt; of a year is itself a year.  So &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjyV5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;CalendarYear&lt;/a&gt; is an &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVirnZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ObjectType&lt;/a&gt;.  
&lt;p/&gt;
See &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVir35wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;StuffType&lt;/a&gt; for the contrasting (though not disjoint) notion of being stuff-like.</rdfs:comment>
  </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>
