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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="Mx4rvViWu5wpEbGdrcN5Y29ycA">
    <cycAnnot:label xml:lang="en">CorkTree</cycAnnot:label>
    <rdfs:label xml:lang="en">cork tree</rdfs:label>
    <rdfs:comment xml:lang="en">The collection of all cork trees. A type of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjB35wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;OakTree&lt;/a&gt;. The collection &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvViWu5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;CorkTree&lt;/a&gt; is an &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjf5JwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;OrganismClassificationType&lt;/a&gt; and a &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rpPHhAOB1EdqAAAACs6hRXg&quot; class=&quot;cyc_term&quot;&gt;SpatiallyDisjointObjectType&lt;/a&gt;.</rdfs:comment>
    <rdfs:subClassOf rdf:resource="Mx4rvVjB35wpEbGdrcN5Y29ycA"/>
    <rdf:type rdf:resource="Mx4rvVjf5JwpEbGdrcN5Y29ycA"/>
    <rdf:type rdf:resource="Mx4rpPHhAOB1EdqAAAACs6hRXg"/>
    <owl:sameAs rdf:resource="&cyc;Mx4rvViWu5wpEbGdrcN5Y29ycA"/>
    <owl:sameAs rdf:resource="http://dbpedia.org/resource/Phellodendron"/>
    <owl:sameAs rdf:resource="http://umbel.org/umbel/sc/CorkTree"/>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">cork trees</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rTv-jk9SPTXa991kk5mAvHg>Phellodendron</Mx4rTv-jk9SPTXa991kk5mAvHg>
    <Mx4rNv0nbm4TTjOp7yhmnzOyqg>http://en.wikipedia.org/wiki/Phellodendron</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="&cyc;Mx4rvViWu5wpEbGdrcN5Y29ycA">
    <rdfs:label xml:lang="en">cork tree</rdfs:label>
    <cycAnnot:label xml:lang="en">CorkTree</cycAnnot:label>
    <rdfs:comment xml:lang="en">The collection of all cork trees. A type of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjB35wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;OakTree&lt;/a&gt;. The collection &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvViWu5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;CorkTree&lt;/a&gt; is an &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjf5JwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;OrganismClassificationType&lt;/a&gt; and a &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rpPHhAOB1EdqAAAACs6hRXg&quot; class=&quot;cyc_term&quot;&gt;SpatiallyDisjointObjectType&lt;/a&gt;.</rdfs:comment>
  </owl:Class>

  <owl:Thing rdf:about="http://umbel.org/umbel/sc/CorkTree">
    <rdfs:label xml:lang="en">cork tree</rdfs:label>
    <cycAnnot:label xml:lang="en">CorkTree</cycAnnot:label>
    <rdfs:comment xml:lang="en">The collection of all cork trees. A type of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjB35wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;OakTree&lt;/a&gt;. The collection &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvViWu5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;CorkTree&lt;/a&gt; is an &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjf5JwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;OrganismClassificationType&lt;/a&gt; and a &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rpPHhAOB1EdqAAAACs6hRXg&quot; class=&quot;cyc_term&quot;&gt;SpatiallyDisjointObjectType&lt;/a&gt;.</rdfs:comment>
  </owl:Thing>

  <owl:Thing rdf:about="http://dbpedia.org/resource/Phellodendron">
    <rdfs:label xml:lang="en">cork tree</rdfs:label>
    <cycAnnot:label xml:lang="en">CorkTree</cycAnnot:label>
    <rdfs:comment xml:lang="en">The collection of all cork trees. A type of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjB35wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;OakTree&lt;/a&gt;. The collection &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvViWu5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;CorkTree&lt;/a&gt; is an &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjf5JwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;OrganismClassificationType&lt;/a&gt; and a &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rpPHhAOB1EdqAAAACs6hRXg&quot; class=&quot;cyc_term&quot;&gt;SpatiallyDisjointObjectType&lt;/a&gt;.</rdfs:comment>
  </owl:Thing>

  <owl:Class rdf:about="Mx4rvVjB35wpEbGdrcN5Y29ycA">
    <rdfs:label xml:lang="en">oak tree</rdfs:label>
    <cycAnnot:label xml:lang="en">OakTree</cycAnnot:label>
    <rdfs:comment xml:lang="en">The collection of oak trees.  An oak has alternate, simple, deciduous or evergreen leaves.  The male flowers are borne in pendent yellow catkins, appearing with or after the leaves.  The female flowers each has a husk of overlapping scales that enlarges to hold the fruit, or acorn.</rdfs:comment>
  </owl:Class>

  <owl:Class rdf:about="Mx4rvVjf5JwpEbGdrcN5Y29ycA">
    <cycAnnot:label xml:lang="en">OrganismClassificationType</cycAnnot:label>
    <rdfs:label xml:lang="en">type of organism</rdfs:label>
    <rdfs:comment xml:lang="en">A collection of collections.  Each instance of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjf5JwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;OrganismClassificationType&lt;/a&gt; is a specialization of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjE1pwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Organism_Whole&lt;/a&gt; (q.v.), where membership in that sub-collection is determined by satisfaction of  some set of classificatory criteria accepted by some scientific community.  Instances of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjf5JwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;OrganismClassificationType&lt;/a&gt; may or may not correspond to naive categories of organisms, and, in addition, although they are scientific, they might not be officially accepted biological taxons at the standard taxonomic levels (&lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvViYS5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Invertebrate&lt;/a&gt;, for example, is an &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjf5JwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;OrganismClassificationType&lt;/a&gt;, but _not_ a &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVji6JwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;BiologicalTaxon&lt;/a&gt; (q.v.)).  Note that &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjf5JwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;OrganismClassificationType&lt;/a&gt; is _not_ an instance of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvViA4pwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;SiblingDisjointCollectionType&lt;/a&gt;, since there are scientific classifications along different dimensions.  Many specializations of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjf5JwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;OrganismClassificationType&lt;/a&gt; are, however, instances of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvViA4pwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;SiblingDisjointCollectionType&lt;/a&gt;.</rdfs:comment>
  </owl:Class>

  <owl:Class rdf:about="Mx4rpPHhAOB1EdqAAAACs6hRXg">
    <cycAnnot:label xml:lang="en">SpatiallyDisjointObjectType</cycAnnot:label>
    <rdfs:label xml:lang="en">type of object whose instances do not physically overlap</rdfs:label>
    <rdfs:comment xml:lang="en">A collection of collections and a specialization of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVirnZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ObjectType&lt;/a&gt; (q.v.). Each instance of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rpPHhAOB1EdqAAAACs6hRXg&quot; class=&quot;cyc_term&quot;&gt;SpatiallyDisjointObjectType&lt;/a&gt; is a collection C of spatial things (see &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjpUZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;SpatialThing&lt;/a&gt;), where each of the spatial things in C is spatially disjoint with the other spatial things in C.
&lt;p/&gt;
For example, the collection &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjaoJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Dog&lt;/a&gt; is an instance of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rpPHhAOB1EdqAAAACs6hRXg&quot; class=&quot;cyc_term&quot;&gt;SpatiallyDisjointObjectType&lt;/a&gt;, since dogs do not spatially overlap.  Even pregnant dogs do not spatially overlap the pups they bear; rather, pregnant dogs contain their unborn pups.  Other instances of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rpPHhAOB1EdqAAAACs6hRXg&quot; class=&quot;cyc_term&quot;&gt;SpatiallyDisjointObjectType&lt;/a&gt; include &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwVGrQ5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;LatitudeLine&lt;/a&gt;, &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvW4n1pwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;CompactDisc_Audio&lt;/a&gt;, and &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwR7UWZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;PlanetaryBody&lt;/a&gt;.  An important specialization of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rpPHhAOB1EdqAAAACs6hRXg&quot; class=&quot;cyc_term&quot;&gt;SpatiallyDisjointObjectType&lt;/a&gt; is &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjlE5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;SpatiallyDisjointRegionType&lt;/a&gt; (a collection of specializations of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvViACZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;GeographicalRegion&lt;/a&gt;, such as &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjnZ5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;City&lt;/a&gt; and &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwT-n15wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;TrueContinent&lt;/a&gt;).</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>
