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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/2009/04/07/concept/en/"
         xmlns="http://sw.opencyc.org/2009/04/07/concept/en/"
         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/2009/04/07/concept/en/">
    <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="Train_TransportationDevice">
    <rdfs:comment xml:lang="en">&lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Train_TransportationDevice&quot; class=&quot;cyc_term&quot;&gt;Train_TransportationDevice&lt;/a&gt; is a specialization of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/WheeledTransportationDevice&quot; class=&quot;cyc_term&quot;&gt;WheeledTransportationDevice&lt;/a&gt;, &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/TransportationContainerProduct&quot; class=&quot;cyc_term&quot;&gt;TransportationContainerProduct&lt;/a&gt;, and &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/PublicTransportationDevice&quot; class=&quot;cyc_term&quot;&gt;PublicTransportationDevice&lt;/a&gt;.  Each instance of a &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Train_TransportationDevice&quot; class=&quot;cyc_term&quot;&gt;Train_TransportationDevice&lt;/a&gt; is a &amp;quot;train,&amp;quot; i.e.,  a transportation device that runs on &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Railway&quot; class=&quot;cyc_term&quot;&gt;Railway&lt;/a&gt;s and consists of multiple &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/TrainCar&quot; class=&quot;cyc_term&quot;&gt;TrainCar&lt;/a&gt;s coupled together.</rdfs:comment>
    <rdfs:label xml:lang="en">train</rdfs:label>
    <cycAnnot:externalID>Mx4rvVjIJZwpEbGdrcN5Y29ycA</cycAnnot:externalID>
    <cycAnnot:label xml:lang="en">Train-TransportationDevice</cycAnnot:label>
    <rdfs:subClassOf rdf:resource="RailwayTransportationDevice"/>
    <rdfs:subClassOf rdf:resource="The_union_of__railroad_train_"/>
    <rdfs:subClassOf rdf:resource="WheeledTransportationDevice"/>
    <rdfs:subClassOf rdf:resource="TransportationContainerProduct"/>
    <rdfs:subClassOf rdf:resource="The_union_of__train_motor_vehicle_transportation_path_system_"/>
    <rdfs:subClassOf rdf:resource="The_union_of__train_motor_vehicle_transport_facility_transportation_path_system_"/>
    <rdf:type rdf:resource="SpatiallyDisjointObjectType"/>
    <rdf:type rdf:resource="RailroadConcept"/>
    <rdf:type rdf:resource="TransportationDeviceType"/>
    <rdf:type rdf:resource="Transportation_Topic"/>
    <rdf:type rdf:resource="ArtifactTypeByGenericCategory"/>
    <owl:sameAs rdf:resource="&cyc;Mx4rvVjIJZwpEbGdrcN5Y29ycA"/>
    <owl:sameAs rdf:resource="&ocyc;Mx4rvVjIJZwpEbGdrcN5Y29ycA"/>
    <owl:sameAs rdf:resource="http://sw.opencyc.org/2009/04/07/concept/Mx4rvVjIJZwpEbGdrcN5Y29ycA"/>
    <owl:sameAs rdf:resource="http://umbel.org/umbel/sc/Train_TransportationDevice"/>
    <prettyString xml:lang="en">railroad train</prettyString>
    <prettyString xml:lang="en">trains</prettyString>
    <prettyString xml:lang="en">railroad trains</prettyString>
    <seeAlsoURI>http://www.w3.org/2006/03/wn/wn20/instances/synset-train-noun-1</seeAlsoURI>
  </owl:Class>

  <owl:Class rdf:about="FreightTrain">
    <rdfs:subClassOf rdf:resource="Train_TransportationDevice"/>
    <cycAnnot:label xml:lang="en">FreightTrain</cycAnnot:label>
    <rdfs:label xml:lang="en">freight train</rdfs:label>
    <rdfs:comment xml:lang="en">The collection of all freight trains.  These are trains whose &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/primaryFunction&quot; class=&quot;cyc_term&quot;&gt;primaryFunction&lt;/a&gt; is to transport goods, not paying &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/passengers&quot; class=&quot;cyc_term&quot;&gt;passengers&lt;/a&gt;.</rdfs:comment>
  </owl:Class>

  <owl:Class rdf:about="PassengerTrain">
    <rdfs:subClassOf rdf:resource="Train_TransportationDevice"/>
    <rdfs:label xml:lang="en">passenger train</rdfs:label>
    <cycAnnot:label xml:lang="en">PassengerTrain</cycAnnot:label>
    <rdfs:comment xml:lang="en">The collection of all passenger trains.  These are trains whose &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/primaryFunction&quot; class=&quot;cyc_term&quot;&gt;primaryFunction&lt;/a&gt; is to transport &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/passengers&quot; class=&quot;cyc_term&quot;&gt;passengers&lt;/a&gt;, not freight.</rdfs:comment>
  </owl:Class>

  <owl:Class rdf:about="Monorail">
    <rdfs:subClassOf rdf:resource="Train_TransportationDevice"/>
    <rdfs:label xml:lang="en">monorail train</rdfs:label>
    <rdfs:comment xml:lang="en">A specialization of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Train_TransportationDevice&quot; class=&quot;cyc_term&quot;&gt;Train_TransportationDevice&lt;/a&gt;.  This is the collection of all trains that ride on a single rail.  The train might either straddle over or hang suspended from the rail.</rdfs:comment>
    <cycAnnot:label xml:lang="en">Monorail</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="EurostarChunnelTrain">
    <rdfs:subClassOf rdf:resource="Train_TransportationDevice"/>
    <rdfs:comment xml:lang="en">The collection of Eurostar trains that travel through the Chunnel between London, England and Paris, France.</rdfs:comment>
    <cycAnnot:label xml:lang="en">EurostarChunnelTrain</cycAnnot:label>
    <rdfs:label xml:lang="en">the Eurostar Chunnel train</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="HighSpeedTrain">
    <rdfs:subClassOf rdf:resource="Train_TransportationDevice"/>
    <cycAnnot:label xml:lang="en">HighSpeedTrain</cycAnnot:label>
    <rdfs:comment xml:lang="en">The collection of all high-speed trains</rdfs:comment>
    <rdfs:label xml:lang="en">high speed train</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="RailroadConcept">
    <cycAnnot:label xml:lang="en">RailroadConcept</cycAnnot:label>
    <rdfs:label xml:lang="en">the railroad domain</rdfs:label>
    <rdfs:comment xml:lang="en">A &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/ConceptTypeByDomain&quot; class=&quot;cyc_term&quot;&gt;ConceptTypeByDomain&lt;/a&gt; (q.v.).  Instances of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/RailroadConcept&quot; class=&quot;cyc_term&quot;&gt;RailroadConcept&lt;/a&gt; are collections and relations having to do with railroad systems, transportation, facilities, equipment, and personnel.</rdfs:comment>
  </owl:Class>

  <owl:ObjectProperty rdf:about="seeAlsoURI">
    <cycAnnot:label xml:lang="en">seeAlsoURI</cycAnnot:label>
    <rdfs:label xml:lang="en">See Also URI</rdfs:label>
    <rdfs:comment xml:lang="en">&lt;code&gt;(&lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/seeAlsoURI&quot; class=&quot;cyc_term&quot;&gt;seeAlsoURI&lt;/a&gt; &lt;b&gt;THING&lt;/b&gt; &lt;b&gt;URI&lt;/b&gt;)&lt;/code&gt; means that a description of the resource identified by URI is likely to contain information pertinent to THING.  This predicate is roughly equivalent to rdfs:seeAlso.</rdfs:comment>
  </owl:ObjectProperty>

  <owl:Class rdf:about="RailwayTransportationDevice">
    <cycAnnot:label xml:lang="en">RailwayTransportationDevice</cycAnnot:label>
    <rdfs:label xml:lang="en">railway transportation device</rdfs:label>
    <rdfs:comment xml:lang="en">An &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/ArtifactTypeByFunction&quot; class=&quot;cyc_term&quot;&gt;ArtifactTypeByFunction&lt;/a&gt; and specialization of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/LandTransportationDevice&quot; class=&quot;cyc_term&quot;&gt;LandTransportationDevice&lt;/a&gt;.  Each instance of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/RailwayTransportationDevice&quot; class=&quot;cyc_term&quot;&gt;RailwayTransportationDevice&lt;/a&gt; is a &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/TransportationDevice&quot; class=&quot;cyc_term&quot;&gt;TransportationDevice&lt;/a&gt; that is designed to move along a &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Railway&quot; class=&quot;cyc_term&quot;&gt;Railway&lt;/a&gt;.  Specializations include &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Train_TransportationDevice&quot; class=&quot;cyc_term&quot;&gt;Train_TransportationDevice&lt;/a&gt; and &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/TrainCar&quot; class=&quot;cyc_term&quot;&gt;TrainCar&lt;/a&gt;.</rdfs:comment>
  </owl:Class>

  <owl:ObjectProperty rdf:about="prettyString">
    <cycAnnot:label xml:lang="en">prettyString</cycAnnot:label>
    <rdfs:label xml:lang="en">Pretty String</rdfs:label>
    <rdfs:comment xml:lang="en">(&lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/prettyString&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/2009/04/07/concept/en/prettyString&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>
  </owl:ObjectProperty>

  <owl:Thing rdf:about="http://umbel.org/umbel/sc/Train_TransportationDevice">
    <rdfs:comment xml:lang="en">&lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Train_TransportationDevice&quot; class=&quot;cyc_term&quot;&gt;Train_TransportationDevice&lt;/a&gt; is a specialization of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/WheeledTransportationDevice&quot; class=&quot;cyc_term&quot;&gt;WheeledTransportationDevice&lt;/a&gt;, &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/TransportationContainerProduct&quot; class=&quot;cyc_term&quot;&gt;TransportationContainerProduct&lt;/a&gt;, and &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/PublicTransportationDevice&quot; class=&quot;cyc_term&quot;&gt;PublicTransportationDevice&lt;/a&gt;.  Each instance of a &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Train_TransportationDevice&quot; class=&quot;cyc_term&quot;&gt;Train_TransportationDevice&lt;/a&gt; is a &amp;quot;train,&amp;quot; i.e.,  a transportation device that runs on &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Railway&quot; class=&quot;cyc_term&quot;&gt;Railway&lt;/a&gt;s and consists of multiple &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/TrainCar&quot; class=&quot;cyc_term&quot;&gt;TrainCar&lt;/a&gt;s coupled together.</rdfs:comment>
    <rdfs:label xml:lang="en">train</rdfs:label>
    <cycAnnot:label xml:lang="en">Train-TransportationDevice</cycAnnot:label>
  </owl:Thing>

  <owl:Class rdf:about="The_union_of__train_motor_vehicle_transport_facility_transportation_path_system_">
    <rdfs:label xml:lang="en">the union of { train, motor vehicle, transport facility, transportation path system }</rdfs:label>
    <cycAnnot:label xml:lang="en">(CollectionUnionFn (TheSet Train-TransportationDevice RoadVehicle TransportFacility TransportationPathSystem))</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Transportation_Topic">
    <cycAnnot:label xml:lang="en">Transportation-Topic</cycAnnot:label>
    <rdfs:label xml:lang="en">transportation-topic</rdfs:label>
    <rdfs:comment xml:lang="en">An instance of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Topic&quot; class=&quot;cyc_term&quot;&gt;Topic&lt;/a&gt;.  Each instance of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Transportation_Topic&quot; class=&quot;cyc_term&quot;&gt;Transportation_Topic&lt;/a&gt; is a &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Thing&quot; class=&quot;cyc_term&quot;&gt;Thing&lt;/a&gt; which (in some significant sense) has to do with the topic of transportation.</rdfs:comment>
  </owl:Class>

  <owl:Class rdf:about="&cyc;Mx4rvVjIJZwpEbGdrcN5Y29ycA">
    <rdfs:comment xml:lang="en">&lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Train_TransportationDevice&quot; class=&quot;cyc_term&quot;&gt;Train_TransportationDevice&lt;/a&gt; is a specialization of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/WheeledTransportationDevice&quot; class=&quot;cyc_term&quot;&gt;WheeledTransportationDevice&lt;/a&gt;, &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/TransportationContainerProduct&quot; class=&quot;cyc_term&quot;&gt;TransportationContainerProduct&lt;/a&gt;, and &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/PublicTransportationDevice&quot; class=&quot;cyc_term&quot;&gt;PublicTransportationDevice&lt;/a&gt;.  Each instance of a &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Train_TransportationDevice&quot; class=&quot;cyc_term&quot;&gt;Train_TransportationDevice&lt;/a&gt; is a &amp;quot;train,&amp;quot; i.e.,  a transportation device that runs on &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Railway&quot; class=&quot;cyc_term&quot;&gt;Railway&lt;/a&gt;s and consists of multiple &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/TrainCar&quot; class=&quot;cyc_term&quot;&gt;TrainCar&lt;/a&gt;s coupled together.</rdfs:comment>
    <rdfs:label xml:lang="en">train</rdfs:label>
    <cycAnnot:label xml:lang="en">Train-TransportationDevice</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="&ocyc;Mx4rvVjIJZwpEbGdrcN5Y29ycA">
    <rdfs:comment xml:lang="en">&lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Train_TransportationDevice&quot; class=&quot;cyc_term&quot;&gt;Train_TransportationDevice&lt;/a&gt; is a specialization of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/WheeledTransportationDevice&quot; class=&quot;cyc_term&quot;&gt;WheeledTransportationDevice&lt;/a&gt;, &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/TransportationContainerProduct&quot; class=&quot;cyc_term&quot;&gt;TransportationContainerProduct&lt;/a&gt;, and &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/PublicTransportationDevice&quot; class=&quot;cyc_term&quot;&gt;PublicTransportationDevice&lt;/a&gt;.  Each instance of a &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Train_TransportationDevice&quot; class=&quot;cyc_term&quot;&gt;Train_TransportationDevice&lt;/a&gt; is a &amp;quot;train,&amp;quot; i.e.,  a transportation device that runs on &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Railway&quot; class=&quot;cyc_term&quot;&gt;Railway&lt;/a&gt;s and consists of multiple &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/TrainCar&quot; class=&quot;cyc_term&quot;&gt;TrainCar&lt;/a&gt;s coupled together.</rdfs:comment>
    <rdfs:label xml:lang="en">train</rdfs:label>
    <cycAnnot:label xml:lang="en">Train-TransportationDevice</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="http://sw.opencyc.org/2009/04/07/concept/Mx4rvVjIJZwpEbGdrcN5Y29ycA">
    <rdfs:comment xml:lang="en">&lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Train_TransportationDevice&quot; class=&quot;cyc_term&quot;&gt;Train_TransportationDevice&lt;/a&gt; is a specialization of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/WheeledTransportationDevice&quot; class=&quot;cyc_term&quot;&gt;WheeledTransportationDevice&lt;/a&gt;, &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/TransportationContainerProduct&quot; class=&quot;cyc_term&quot;&gt;TransportationContainerProduct&lt;/a&gt;, and &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/PublicTransportationDevice&quot; class=&quot;cyc_term&quot;&gt;PublicTransportationDevice&lt;/a&gt;.  Each instance of a &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Train_TransportationDevice&quot; class=&quot;cyc_term&quot;&gt;Train_TransportationDevice&lt;/a&gt; is a &amp;quot;train,&amp;quot; i.e.,  a transportation device that runs on &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Railway&quot; class=&quot;cyc_term&quot;&gt;Railway&lt;/a&gt;s and consists of multiple &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/TrainCar&quot; class=&quot;cyc_term&quot;&gt;TrainCar&lt;/a&gt;s coupled together.</rdfs:comment>
    <rdfs:label xml:lang="en">train</rdfs:label>
    <cycAnnot:label xml:lang="en">Train-TransportationDevice</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="SpatiallyDisjointObjectType">
    <rdfs:label xml:lang="en">type of object whose instances do not physically overlap</rdfs:label>
    <cycAnnot:label xml:lang="en">SpatiallyDisjointObjectType</cycAnnot:label>
    <rdfs:comment xml:lang="en">A collection of collections and a specialization of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/ObjectType&quot; class=&quot;cyc_term&quot;&gt;ObjectType&lt;/a&gt; (q.v.). Each instance of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/SpatiallyDisjointObjectType&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/2009/04/07/concept/en/SpatialThing&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/2009/04/07/concept/en/Dog&quot; class=&quot;cyc_term&quot;&gt;Dog&lt;/a&gt; is an instance of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/SpatiallyDisjointObjectType&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/2009/04/07/concept/en/SpatiallyDisjointObjectType&quot; class=&quot;cyc_term&quot;&gt;SpatiallyDisjointObjectType&lt;/a&gt; include &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/LatitudeLine&quot; class=&quot;cyc_term&quot;&gt;LatitudeLine&lt;/a&gt;, &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/CompactDisc_Audio&quot; class=&quot;cyc_term&quot;&gt;CompactDisc_Audio&lt;/a&gt;, and &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/PlanetaryBody&quot; class=&quot;cyc_term&quot;&gt;PlanetaryBody&lt;/a&gt;.  An important specialization of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/SpatiallyDisjointObjectType&quot; class=&quot;cyc_term&quot;&gt;SpatiallyDisjointObjectType&lt;/a&gt; is &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/SpatiallyDisjointRegionType&quot; class=&quot;cyc_term&quot;&gt;SpatiallyDisjointRegionType&lt;/a&gt; (a collection of specializations of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/GeographicalRegion&quot; class=&quot;cyc_term&quot;&gt;GeographicalRegion&lt;/a&gt;, such as &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/City&quot; class=&quot;cyc_term&quot;&gt;City&lt;/a&gt; and &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/TrueContinent&quot; class=&quot;cyc_term&quot;&gt;TrueContinent&lt;/a&gt;).</rdfs:comment>
  </owl:Class>

  <owl:Class rdf:about="WheeledTransportationDevice">
    <rdfs:label xml:lang="en">wheeled vehicle</rdfs:label>
    <rdfs:comment xml:lang="en">&lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/WheeledTransportationDevice&quot; class=&quot;cyc_term&quot;&gt;WheeledTransportationDevice&lt;/a&gt; is a specialization of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/LandTransportationDevice&quot; class=&quot;cyc_term&quot;&gt;LandTransportationDevice&lt;/a&gt;.  Each instance of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/WheeledTransportationDevice&quot; class=&quot;cyc_term&quot;&gt;WheeledTransportationDevice&lt;/a&gt; is a transportation device that uses only wheels (as opposed to tracks, runners, etc.).  This collection includes not only many instances of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/TransportationDevice_Vehicle&quot; class=&quot;cyc_term&quot;&gt;TransportationDevice_Vehicle&lt;/a&gt;, but also non-self-powered devices such as &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Bicycle&quot; class=&quot;cyc_term&quot;&gt;Bicycle&lt;/a&gt;s and &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Wagon&quot; class=&quot;cyc_term&quot;&gt;Wagon&lt;/a&gt;s.</rdfs:comment>
    <cycAnnot:label xml:lang="en">WheeledTransportationDevice</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="TransportationDeviceType">
    <cycAnnot:label xml:lang="en">TransportationDeviceType</cycAnnot:label>
    <rdfs:comment xml:lang="en">An instance of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/SecondOrderCollection&quot; class=&quot;cyc_term&quot;&gt;SecondOrderCollection&lt;/a&gt; and a specialization of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/ProductType&quot; class=&quot;cyc_term&quot;&gt;ProductType&lt;/a&gt;.  Instances are specs of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/TransportationDevice&quot; class=&quot;cyc_term&quot;&gt;TransportationDevice&lt;/a&gt;, the main function of which is to play the purpose of a vehicle, i.e., to play the role of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/vehicle&quot; class=&quot;cyc_term&quot;&gt;vehicle&lt;/a&gt; in transportation events.</rdfs:comment>
    <rdfs:label xml:lang="en">type of vehicle</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="ArtifactTypeByGenericCategory">
    <rdfs:comment xml:lang="en">An instance of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/SecondOrderCollection&quot; class=&quot;cyc_term&quot;&gt;SecondOrderCollection&lt;/a&gt; and a specialization of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/ArtifactType&quot; class=&quot;cyc_term&quot;&gt;ArtifactType&lt;/a&gt;.  Each instance of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/ArtifactTypeByGenericCategory&quot; class=&quot;cyc_term&quot;&gt;ArtifactTypeByGenericCategory&lt;/a&gt; is a collection of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Artifact&quot; class=&quot;cyc_term&quot;&gt;Artifact&lt;/a&gt;s grouped together according to some feature(s) other than brand or model.</rdfs:comment>
    <rdfs:label xml:lang="en">kind of artifact not distinguished by brand or model</rdfs:label>
    <cycAnnot:label xml:lang="en">ArtifactTypeByGenericCategory</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="TransportationContainerProduct">
    <rdfs:comment xml:lang="en">&lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/TransportationContainerProduct&quot; class=&quot;cyc_term&quot;&gt;TransportationContainerProduct&lt;/a&gt; is a specialization of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/ContainerArtifact&quot; class=&quot;cyc_term&quot;&gt;ContainerArtifact&lt;/a&gt; and &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Conveyance&quot; class=&quot;cyc_term&quot;&gt;Conveyance&lt;/a&gt;.  Each instance of &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/TransportationContainerProduct&quot; class=&quot;cyc_term&quot;&gt;TransportationContainerProduct&lt;/a&gt; is a container in which the primary function is to transport substances or objects.  A few examples are &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Luggage&quot; class=&quot;cyc_term&quot;&gt;Luggage&lt;/a&gt;, &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/BabyCarrier&quot; class=&quot;cyc_term&quot;&gt;BabyCarrier&lt;/a&gt;, and &lt;a href=&quot;http://sw.opencyc.org/2009/04/07/concept/en/Trailer&quot; class=&quot;cyc_term&quot;&gt;Trailer&lt;/a&gt;.</rdfs:comment>
    <cycAnnot:label xml:lang="en">TransportationContainerProduct</cycAnnot:label>
    <rdfs:label xml:lang="en">transport container</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="The_union_of__train_motor_vehicle_transportation_path_system_">
    <rdfs:label xml:lang="en">the union of { train, motor vehicle, transportation path system }</rdfs:label>
    <cycAnnot:label xml:lang="en">(CollectionUnionFn (TheSet Train-TransportationDevice RoadVehicle TransportationPathSystem))</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="The_union_of__railroad_train_">
    <cycAnnot:label xml:lang="en">(CollectionUnionFn (TheSet Railway Train-TransportationDevice))</cycAnnot:label>
    <rdfs:label xml:lang="en">the union of { railroad, train }</rdfs:label>
  </owl:Class>

</rdf:RDF>

