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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="Mx4rvVj7ZpwpEbGdrcN5Y29ycA">
    <rdfs:label xml:lang="en">ice-skating</rdfs:label>
    <cycAnnot:label xml:lang="en">IceSkating</cycAnnot:label>
    <rdfs:comment xml:lang="en">The act of moving along by sliding on the blades of ice-skates.</rdfs:comment>
    <rdfs:subClassOf rdf:resource="Mx4rGGsQIeqUEdqTjAACs6hPlA"/>
    <rdfs:subClassOf rdf:resource="Mx4rwP1jVJwpEbGdrcN5Y29ycA"/>
    <rdfs:subClassOf rdf:resource="Mx4rwP2E15wpEbGdrcN5Y29ycA"/>
    <rdf:type rdf:resource="Mx4rsptUGhfiQdmQ1dIv6htA7Q"/>
    <rdf:type rdf:resource="Mx4rvbVrl5wpEbGdrcN5Y29ycA"/>
    <owl:sameAs rdf:resource="&cyc;Mx4rvVj7ZpwpEbGdrcN5Y29ycA"/>
    <owl:sameAs rdf:resource="http://dbpedia.org/resource/Ice_skating"/>
    <owl:sameAs rdf:resource="http://umbel.org/umbel/sc/IceSkating"/>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">has ice skated</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">had ice-skated</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">ice skate</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">have ice-skated</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">will have ice-skated</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">ice skates</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">ice skated</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">ice skating</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">ice-skated</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">has ice-skated</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">ice-skate</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">had ice skated</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">will have ice skated</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">will ice skate</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">ice-skates</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">have ice skated</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">will ice-skate</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
    <Mx4rTv-jk9SPTXa991kk5mAvHg>Ice skating</Mx4rTv-jk9SPTXa991kk5mAvHg>
    <Mx4rNv0nbm4TTjOp7yhmnzOyqg>http://en.wikipedia.org/wiki/Ice_skating</Mx4rNv0nbm4TTjOp7yhmnzOyqg>
    <Mx4riWVFR6HJSpaEaHrcWS3MSA>http://www.w3.org/2006/03/wn/wn20/instances/synset-ice_skate-verb-1</Mx4riWVFR6HJSpaEaHrcWS3MSA>
  </owl:Class>

  <owl:Class rdf:about="Mx4rwBoeYpwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvVj7ZpwpEbGdrcN5Y29ycA"/>
    <rdfs:comment xml:lang="en">The collection of all &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVj7ZpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;IceSkating&lt;/a&gt; events in which the performer intensionally performs specific patterns of movement, as opposed to mere transportation or racing via &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjioJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;IceSkate&lt;/a&gt;s.</rdfs:comment>
    <cycAnnot:label xml:lang="en">FigureSkating</cycAnnot:label>
    <rdfs:label xml:lang="en">figureskating</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx4rGGsQIeqUEdqTjAACs6hPlA">
    <cycAnnot:label xml:lang="en">IntelligentAgentActivity</cycAnnot:label>
    <rdfs:label xml:lang="en">intelligent agent activity</rdfs:label>
    <rdfs:comment xml:lang="en">A specialization of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVioQZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Action&lt;/a&gt; (q.v.).  Every instance of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rGGsQIeqUEdqTjAACs6hPlA&quot; class=&quot;cyc_term&quot;&gt;IntelligentAgentActivity&lt;/a&gt; is an action, each of whose &amp;quot;doers&amp;quot; (see &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwP1HmJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;doneBy&lt;/a&gt; and &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rQ9dkLFWAQdeQE7cXOq70Qg&quot; class=&quot;cyc_term&quot;&gt;animateDoer&lt;/a&gt;s) is either an &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVinb5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;IntelligentAgent&lt;/a&gt; or a group of such agents (i.e. a &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjmoJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Group&lt;/a&gt; all of whose members are intelligent agents).  Specializations of this collection include &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvViN65wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;HumanActivity&lt;/a&gt; and &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjVMpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Reading&lt;/a&gt;.</rdfs:comment>
  </owl:Class>

  <owl:Thing rdf:about="http://dbpedia.org/resource/Ice_skating">
    <rdfs:label xml:lang="en">ice-skating</rdfs:label>
    <cycAnnot:label xml:lang="en">IceSkating</cycAnnot:label>
    <rdfs:comment xml:lang="en">The act of moving along by sliding on the blades of ice-skates.</rdfs:comment>
  </owl:Thing>

  <owl:Class rdf:about="Mx4rvbVrl5wpEbGdrcN5Y29ycA">
    <rdfs:label xml:lang="en">skilled activity</rdfs:label>
    <rdfs:comment xml:lang="en">This is the collection of collections of activities which require some specialized skill to perform--i.e., to play any role which is a specPred of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwP1HmJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;doneBy&lt;/a&gt;.  So, all skilled activities are learned, but not all learned activities are skilled.  For instance, &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVi0gpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;WalkingOnTwoLegs&lt;/a&gt; is an instance of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvm8XOpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;LearnedActivityType&lt;/a&gt; but not an instance of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvbVrl5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;SkilledActivityType&lt;/a&gt;.  Since every normal person learns to walk, it requires no special skill.  In contrast, &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvYn_nZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Juggling&lt;/a&gt; is an instance of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvbVrl5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;SkilledActivityType&lt;/a&gt;, for most people do not know how to juggle.</rdfs:comment>
    <cycAnnot:label xml:lang="en">SkilledActivityType</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx4rwP2E15wpEbGdrcN5Y29ycA">
    <cycAnnot:label xml:lang="en">ColdTemperatureActivity</cycAnnot:label>
    <rdfs:comment xml:lang="en">Activities/events which typically happen only in an ambient temperature range that is below the freezing point of water.  ColdTemperatureActivities generally happen in the cold because some aspect of the event (&lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVjK3JwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;stuffUsed&lt;/a&gt;, &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvV0FMZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;deviceUsed&lt;/a&gt;, etc.) requires cold temperatures to exist or to achieve optimum conditions.</rdfs:comment>
    <rdfs:label xml:lang="en">cold temperature activity</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx4rsptUGhfiQdmQ1dIv6htA7Q">
    <rdfs:comment xml:lang="en">A &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rHQdVmB_TEdaAAABQ2rksLw&quot; class=&quot;cyc_term&quot;&gt;SecondOrderCollection&lt;/a&gt;.  &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rsptUGhfiQdmQ1dIv6htA7Q&quot; class=&quot;cyc_term&quot;&gt;ProcessType&lt;/a&gt; is the collection intersection of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVitN5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;TemporalStuffType&lt;/a&gt; and &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwNyXxJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;DurativeEventType&lt;/a&gt;; that is, a thing is an instance of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rsptUGhfiQdmQ1dIv6htA7Q&quot; class=&quot;cyc_term&quot;&gt;ProcessType&lt;/a&gt; if and only if it is an instance of both &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rvVitN5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;TemporalStuffType&lt;/a&gt; and &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rwNyXxJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;DurativeEventType&lt;/a&gt;.  Instances of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rsptUGhfiQdmQ1dIv6htA7Q&quot; class=&quot;cyc_term&quot;&gt;ProcessType&lt;/a&gt; can be constructed from instances of &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4rv48ocpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;AccomplishmentType&lt;/a&gt; using &lt;a href=&quot;http://sw.opencyc.org/concept/Mx4r0VWpmNnEQdiJDq0mDlTBkQ&quot; class=&quot;cyc_term&quot;&gt;ProcessFn&lt;/a&gt; (q.v.).</rdfs:comment>
    <cycAnnot:label xml:lang="en">ProcessType</cycAnnot:label>
    <rdfs:label xml:lang="en">type of temporally stuff-like thing that is also a type of durative event</rdfs:label>
  </owl:Class>

  <owl:Thing rdf:about="http://umbel.org/umbel/sc/IceSkating">
    <rdfs:label xml:lang="en">ice-skating</rdfs:label>
    <cycAnnot:label xml:lang="en">IceSkating</cycAnnot:label>
    <rdfs:comment xml:lang="en">The act of moving along by sliding on the blades of ice-skates.</rdfs:comment>
  </owl:Thing>

  <owl:Class rdf:about="&cyc;Mx4rvVj7ZpwpEbGdrcN5Y29ycA">
    <rdfs:label xml:lang="en">ice-skating</rdfs:label>
    <cycAnnot:label xml:lang="en">IceSkating</cycAnnot:label>
    <rdfs:comment xml:lang="en">The act of moving along by sliding on the blades of ice-skates.</rdfs:comment>
  </owl:Class>

  <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:ObjectProperty rdf:about="Mx4riWVFR6HJSpaEaHrcWS3MSA">
    <cycAnnot:label xml:lang="en">seeAlsoURI</cycAnnot:label>
    <rdfs:comment xml:lang="en">&lt;code&gt;(&lt;a href=&quot;http://sw.opencyc.org/concept/Mx4riWVFR6HJSpaEaHrcWS3MSA&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>
    <rdfs:label xml:lang="en">See Also URI</rdfs:label>
  </owl:ObjectProperty>

  <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="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>

  <owl:Class rdf:about="Mx4rwP1jVJwpEbGdrcN5Y29ycA">
    <rdfs:comment xml:lang="en">The collection of body movement events in which some sort of skate is used on the feet.</rdfs:comment>
    <rdfs:label xml:lang="en">skating</rdfs:label>
    <cycAnnot:label xml:lang="en">Skating</cycAnnot:label>
  </owl:Class>

</rdf:RDF>
