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     <!ENTITY ocyc "http://sw.opencyc.org/concept/" >
     <!ENTITY cyc  "http://sw.cyc.com/concept/" >
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     <!ENTITY rdfs "http://www.w3.org/2000/01/rdf-schema#" >
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     <!ENTITY owl  "http://www.w3.org/2002/07/owl#" >
   ]>

<rdf:RDF xml:base="http://sw.opencyc.org/2008/06/10/concept/"
         xmlns="http://sw.opencyc.org/2008/06/10/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/2008/06/10/concept/">
    <owl:versionInfo>2008/06/10</owl:versionInfo>
    <rdfs:comment xml:lang="en">

      OpenCyc Knowledge Base

      Copyright© 2001-2008 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 "Work" 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.

    </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="Mx4rlvgvNNjYQdeDnLOt9PUqVA">
    <cycAnnot:label xml:lang="en">EngineerTypeByField</cycAnnot:label>
    <rdfs:label xml:lang="en">engineer type by field</rdfs:label>
    <rdfs:comment xml:lang="en">A collection of collections. Each instance is a spec of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkBWpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Engineer&lt;/a&gt; whose instances are all of the same field.</rdfs:comment>
    <rdfs:subClassOf rdf:resource="Mx4rvubaMZwpEbGdrcN5Y29ycA"/>
    <rdfs:subClassOf rdf:resource="Mx4rvVii2ZwpEbGdrcN5Y29ycA"/>
    <rdf:type rdf:resource="Mx4rvprlOZwpEbGdrcN5Y29ycA"/>
    <rdf:type rdf:resource="Mx4rHQdVmB_TEdaAAABQ2rksLw"/>
    <owl:sameAs rdf:resource="&cyc;Mx4rlvgvNNjYQdeDnLOt9PUqVA"/>
    <owl:sameAs rdf:resource="&ocyc;Mx4rlvgvNNjYQdeDnLOt9PUqVA"/>
  </owl:Class>

  <Mx4rlvgvNNjYQdeDnLOt9PUqVA rdf:about="Mx4rvVj6iZwpEbGdrcN5Y29ycA">
    <rdfs:comment xml:lang="en">An engineer knowledgeable in Civil Engineering, who deals with designing structures.  Civil engineers might specialize in the design of dams, streets, bridges, buildings.</rdfs:comment>
    <rdfs:label xml:lang="en">civil engineer</rdfs:label>
    <cycAnnot:label xml:lang="en">CivilEngineer</cycAnnot:label>
  </Mx4rlvgvNNjYQdeDnLOt9PUqVA>

  <Mx4rlvgvNNjYQdeDnLOt9PUqVA rdf:about="Mx4rVZWutEptEdqAAAAH6RYvVQ">
    <rdfs:comment xml:lang="en">The collection of engineers involved in oil and gas exploration, extraction, and refining. Some subspecialties include drilling engineers, production engineers, reservoir engineers, and petroleum safety engineers.</rdfs:comment>
    <rdfs:label xml:lang="en">petroleum engineer</rdfs:label>
    <cycAnnot:label xml:lang="en">PetroleumEngineer</cycAnnot:label>
  </Mx4rlvgvNNjYQdeDnLOt9PUqVA>

  <Mx4rlvgvNNjYQdeDnLOt9PUqVA rdf:about="Mx4rvVj6z5wpEbGdrcN5Y29ycA">
    <cycAnnot:label xml:lang="en">PowerEngineer</cycAnnot:label>
    <rdfs:comment xml:lang="en">An engineer knowledgeable in Power Engineering, that is, physical transformations of systems involving electricity and its related effects, such as electromagnetics, computer engineering, computer science, power systems, etc.</rdfs:comment>
    <rdfs:label xml:lang="en">power engineer</rdfs:label>
  </Mx4rlvgvNNjYQdeDnLOt9PUqVA>

  <Mx4rlvgvNNjYQdeDnLOt9PUqVA rdf:about="Mx4rvVibM5wpEbGdrcN5Y29ycA">
    <rdfs:label xml:lang="en">ship engineer</rdfs:label>
    <rdfs:comment xml:lang="en">The collection of all ship engineers. A type of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkBWpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Engineer&lt;/a&gt; and &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViw25wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;MiddleClass&lt;/a&gt;. The collection &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVibM5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ShipEngineer&lt;/a&gt; is an &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rlvgvNNjYQdeDnLOt9PUqVA&quot; class=&quot;cyc_term&quot;&gt;EngineerTypeByField&lt;/a&gt; and a &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rwQr5OpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;PersonTypeByPositionInOrg&lt;/a&gt;.</rdfs:comment>
    <cycAnnot:label xml:lang="en">ShipEngineer</cycAnnot:label>
  </Mx4rlvgvNNjYQdeDnLOt9PUqVA>

  <Mx4rlvgvNNjYQdeDnLOt9PUqVA rdf:about="Mx4rvVj5yZwpEbGdrcN5Y29ycA">
    <rdfs:comment xml:lang="en">An engineer knowledgeable in Electrical Engineering, that is, physical transformations of systems involving electricity and its related effects, such as electromagnetics, computer engineering, computer science, power systems, etc.</rdfs:comment>
    <rdfs:label xml:lang="en">electrical engineer</rdfs:label>
    <cycAnnot:label xml:lang="en">ElectricalEngineer</cycAnnot:label>
  </Mx4rlvgvNNjYQdeDnLOt9PUqVA>

  <Mx4rlvgvNNjYQdeDnLOt9PUqVA rdf:about="Mx4rvVj7U5wpEbGdrcN5Y29ycA">
    <rdfs:label xml:lang="en">chemical engineer</rdfs:label>
    <cycAnnot:label xml:lang="en">ChemicalEngineer</cycAnnot:label>
    <rdfs:comment xml:lang="en">Engineer involved in the design, understanding and optimization of chemical process, chemical reactions and products obtained with the help of Chemistry and Chemical Engineering</rdfs:comment>
  </Mx4rlvgvNNjYQdeDnLOt9PUqVA>

  <Mx4rlvgvNNjYQdeDnLOt9PUqVA rdf:about="Mx4rvVjtMpwpEbGdrcN5Y29ycA">
    <rdfs:comment xml:lang="en">They design computers.  Usually EEs, but not necessarily. They know low level software, too.</rdfs:comment>
    <cycAnnot:label xml:lang="en">ComputerEngineer</cycAnnot:label>
    <rdfs:label xml:lang="en">computer engineer</rdfs:label>
  </Mx4rlvgvNNjYQdeDnLOt9PUqVA>

  <Mx4rlvgvNNjYQdeDnLOt9PUqVA rdf:about="Mx4rvVj7D5wpEbGdrcN5Y29ycA">
    <rdfs:label xml:lang="en">mechanical engineer</rdfs:label>
    <cycAnnot:label xml:lang="en">MechanicalEngineer</cycAnnot:label>
    <rdfs:comment xml:lang="en">Engineers dealing with the mechanical aspects of matter: thermodynamics, kinetics, mechanics, etc., including micro and macroscopic interactions</rdfs:comment>
  </Mx4rlvgvNNjYQdeDnLOt9PUqVA>

  <Mx4rlvgvNNjYQdeDnLOt9PUqVA rdf:about="Mx4r0lfHALC2QdeSs6U7u99OOA">
    <rdfs:comment xml:lang="en">An instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVii2ZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;PersonTypeByOccupation&lt;/a&gt; and a specialization of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkBWpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Engineer&lt;/a&gt;:  the collection of all &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViAkpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Person&lt;/a&gt;s with training in any form of engineering that involves the engineering and flight testing of instances of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViuUJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;AirTransportationDevice&lt;/a&gt;.</rdfs:comment>
    <cycAnnot:label xml:lang="en">AeronauticalEngineer</cycAnnot:label>
    <rdfs:label xml:lang="en">aeronautical engineer</rdfs:label>
  </Mx4rlvgvNNjYQdeDnLOt9PUqVA>

  <Mx4rlvgvNNjYQdeDnLOt9PUqVA rdf:about="Mx4rwIU-Q5wpEbGdrcN5Y29ycA">
    <cycAnnot:label xml:lang="en">NuclearEngineer</cycAnnot:label>
    <rdfs:label xml:lang="en">nuclear engineer</rdfs:label>
    <rdfs:comment xml:lang="en">An instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVii2ZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;PersonTypeByOccupation&lt;/a&gt; and a specialization of both &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Scientist&lt;/a&gt; and &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkBWpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Engineer&lt;/a&gt;.  Each instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rwIU-Q5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;NuclearEngineer&lt;/a&gt; is an expert in the field of nuclear engineering.  Instances of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rwIU-Q5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;NuclearEngineer&lt;/a&gt; are often consulted when evaluating and monitoring nuclear power plants.</rdfs:comment>
  </Mx4rlvgvNNjYQdeDnLOt9PUqVA>

  <owl:Class rdf:about="&ocyc;Mx4rlvgvNNjYQdeDnLOt9PUqVA">
    <cycAnnot:label xml:lang="en">EngineerTypeByField</cycAnnot:label>
    <rdfs:label xml:lang="en">engineer type by field</rdfs:label>
    <rdfs:comment xml:lang="en">A collection of collections. Each instance is a spec of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkBWpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Engineer&lt;/a&gt; whose instances are all of the same field.</rdfs:comment>
  </owl:Class>

  <owl:Class rdf:about="Mx4rHQdVmB_TEdaAAABQ2rksLw">
    <rdfs:comment xml:lang="en">The collection of all specializations of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rHIBS0h_TEdaAAABQ2rksLw&quot; class=&quot;cyc_term&quot;&gt;FirstOrderCollection&lt;/a&gt;, that is, of all collections of (first-order) collections, and an instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rHUFI8h_TEdaAAABQ2rksLw&quot; class=&quot;cyc_term&quot;&gt;ThirdOrderCollection&lt;/a&gt;.  Instances of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rHQdVmB_TEdaAAABQ2rksLw&quot; class=&quot;cyc_term&quot;&gt;SecondOrderCollection&lt;/a&gt; are collections of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rHIBS0h_TEdaAAABQ2rksLw&quot; class=&quot;cyc_term&quot;&gt;FirstOrderCollection&lt;/a&gt;s.  Any instance of any instance of any instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rHQdVmB_TEdaAAABQ2rksLw&quot; class=&quot;cyc_term&quot;&gt;SecondOrderCollection&lt;/a&gt; is an &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjaApwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Individual&lt;/a&gt;.</rdfs:comment>
    <cycAnnot:label xml:lang="en">SecondOrderCollection</cycAnnot:label>
    <rdfs:label xml:lang="en">second-order Cyc collection</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx4rvubaMZwpEbGdrcN5Y29ycA">
    <rdfs:comment xml:lang="en">A collection of collections.  Each instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvubaMZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ConventionalClassificationType&lt;/a&gt; is a collection that corresponds to a category in some agreed-upon or conventional classification system (see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rwNgIyZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ClassificationSystem&lt;/a&gt;) used by people.  In such systems, a change or reclassification is possible by a decision of an authority, or by a changed social agreement or custom, without changing the intrinsic natures of the actual objects in the category.   &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvubaMZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ConventionalClassificationType&lt;/a&gt;s include categories in biological taxonomy, standard classifications in data dictionaries and thesauri, cultural taboo classes, military doctrinal classes, and named calendar intervals.</rdfs:comment>
    <cycAnnot:label xml:lang="en">ConventionalClassificationType</cycAnnot:label>
    <rdfs:label xml:lang="en">conventional classification type</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="&cyc;Mx4rlvgvNNjYQdeDnLOt9PUqVA">
    <cycAnnot:label xml:lang="en">EngineerTypeByField</cycAnnot:label>
    <rdfs:label xml:lang="en">engineer type by field</rdfs:label>
    <rdfs:comment xml:lang="en">A collection of collections. Each instance is a spec of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkBWpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Engineer&lt;/a&gt; whose instances are all of the same field.</rdfs:comment>
  </owl:Class>

  <owl:Class rdf:about="Mx4rvprlOZwpEbGdrcN5Y29ycA">
    <rdfs:comment xml:lang="en">A collection of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvtppU5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;CollectionType&lt;/a&gt;s. Each instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvprlOZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;FacetingCollectionType&lt;/a&gt; is a collection-type that &amp;quot;facets&amp;quot; -- i.e. stands in the &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvjldVJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;facets_Generic&lt;/a&gt; (q.v.) relation to -- another collection. Examples include &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVibOJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;AutomobileTypeByBrand&lt;/a&gt; and &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rANFO8Ec-EdaEKABQ2sS97g&quot; class=&quot;cyc_term&quot;&gt;MusicTypeByGenre&lt;/a&gt;, which facet &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViVwZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Automobile&lt;/a&gt; and &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjOJpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Music&lt;/a&gt;, respectively.</rdfs:comment>
    <rdfs:label xml:lang="en">faceting collection type</rdfs:label>
    <cycAnnot:label xml:lang="en">FacetingCollectionType</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx4rvVii2ZwpEbGdrcN5Y29ycA">
    <rdfs:comment xml:lang="en">A collection of collections and a specialization of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/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/2008/06/10/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/2008/06/10/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/2008/06/10/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/2008/06/10/concept/Mx4rvVjONJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ComputerProgrammerProfessional&lt;/a&gt;, &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjkWZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;FoodServiceEmployee&lt;/a&gt;, &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rwQwxbpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;MedicalCareProfessional&lt;/a&gt;, &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rwQwl6JwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;SalesRepresentative&lt;/a&gt;, &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/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/2008/06/10/concept/Mx4rwQr5OpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;PersonTypeByPositionInOrg&lt;/a&gt;.</rdfs:comment>
    <rdfs:label xml:lang="en">type of profession</rdfs:label>
    <cycAnnot:label xml:lang="en">PersonTypeByOccupation</cycAnnot:label>
  </owl:Class>

</rdf:RDF>
