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	  <!ENTITY rdfs		"http://www.w3.org/2000/01/rdf-schema#" >
	  <!ENTITY dc		"http://purl.org/dc/elements/1.1/" >
	  <!ENTITY owl		"http://www.w3.org/2002/07/owl#" >
	  <!ENTITY units	"http://visus.mit.edu/fontomri/0.01/units.owl#" >
	  <!ENTITY foaf 	"http://xmlns.com/foaf/0.1/#">
	  <!ENTITY ical 	"http://www.w3.org/2002/12/cal/#">
	  <!ENTITY dcterms 	"http://purl.org/dc/terms/">
	  <!ENTITY dctype 	"http://purl.org/dc/dcmitype/"> ]>

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<!-- This ontology describes bibliographic references. -->
  
  <owl:Ontology rdf:about="">
    <dc:creator>Nick Knouf &lt;nknouf@mit.edu&gt;</dc:creator>
    <dc:contributor>Antoine Zimmermann &lt;antoine.zimmermann@inrialpes.fr&gt;</dc:contributor>
    <dc:contributor>Jérôme Euzenat</dc:contributor>
    <dc:publishingDate>01/06/2004</dc:publishingDate>
    <rdfs:label>Bibliographic references</rdfs:label>
    <owl:versionInfo>$Id: fr.inrialpes.exmo.rdf.bibix.owl,v 1.9 2004/06/19 15:43:25 euzenat Exp $</owl:versionInfo>
  </owl:Ontology>

<!-- This is due to the Species Validator. -->
<owl:Class rdf:about="&foaf;Person" />
<owl:Class rdf:about="&foaf;Organization" />
<owl:Class rdf:about="&rdf;List" />
<rdf:List rdf:about="&rdf;nil" />
<owl:ObjectProperty rdf:about="&rdf;first" />
<owl:ObjectProperty rdf:about="&rdf;rest" />
<owl:DatatypeProperty rdf:about="&dc;creator" />
<owl:DatatypeProperty rdf:about="&dc;contributor" />
<owl:DatatypeProperty rdf:about="&dc;description" />
<owl:DatatypeProperty rdf:about="&dc;date" />
<owl:DatatypeProperty rdf:about="http://co4.inrialpes.fr/align/Contest/205/onto-noinst.rdf#firstName" />
<owl:DatatypeProperty rdf:about="http://co4.inrialpes.fr/align/Contest/205/onto-noinst.rdf#lastName" />
<owl:DatatypeProperty rdf:about="http://co4.inrialpes.fr/align/Contest/205/onto-noinst.rdf#name" />
<owl:DatatypeProperty rdf:about="http://co4.inrialpes.fr/align/Contest/205/onto-noinst.rdf#shortName" />

  <!--
    ********  ENTRIES  ********
    
    Entries form the basis of a bibTeX database and are categorized by their type, such as a inVolume, inPeriodical article, conference inMinutes, etc.  Each entry type has a specific set of fields that are required in bibTeX; as a first pass, these fields will also be required in the OWL ontology.
  -->

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    <rdfs:label xml:lang="en">Book</rdfs:label>
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    <rdfs:subClassOf>
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    <rdfs:label xml:lang="en">Monograph</rdfs:label>
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    <rdfs:subClassOf rdf:resource="#Book" />
    <rdfs:label xml:lang="en">Compilation</rdfs:label>
  </owl:Class>

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    <rdfs:subClassOf rdf:resource="#Entry" />
    <rdfs:label xml:lang="en">NonFormal</rdfs:label>
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    <rdfs:subClassOf rdf:resource="#NonFormal" />
    <rdfs:label xml:lang="en">Brochure</rdfs:label>
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    <rdfs:label xml:lang="en">Section</rdfs:label>
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    </rdfs:subClassOf>
  </owl:Class>

  <owl:Class rdf:ID="Chapter">
    <rdfs:subClassOf rdf:resource="#Section" />
    <rdfs:label xml:lang="en">BookSection</rdfs:label>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#section" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
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    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#section" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>

  <owl:Class rdf:ID="Extract">
    <rdfs:subClassOf rdf:resource="#Section" />
    <rdfs:label xml:lang="en">Extract</rdfs:label>
    <rdfs:subClassOf>
      <owl:Restriction>
	<!-- writtenBy OR coordinatedBy (given in the Book description) ??? -->
	<owl:onProperty rdf:resource="#writtenBy" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#pageRange" />
	<owl:minCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:minCardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#inVolume" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>

  <owl:Class rdf:ID="InCompilation">
    <rdfs:subClassOf rdf:resource="#Section" />
    <rdfs:label xml:lang="en">IninCompilation</rdfs:label>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#writtenBy" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#inCompilation" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>

  <owl:Class rdf:ID="Communication"> <!-- Communication -->
    <rdfs:subClassOf rdf:resource="#Section" />
    <rdfs:label xml:lang="en">Communication</rdfs:label>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#writtenBy" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#inMinutes" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>

  <owl:Class rdf:ID="CourseMaterial">
    <rdfs:subClassOf rdf:resource="#NonFormal" />
    <rdfs:label xml:lang="en">CourseMaterial</rdfs:label>
  </owl:Class>

  <owl:Class rdf:ID="ReferenceGuide">
    <rdfs:subClassOf rdf:resource="#NonFormal" />
    <rdfs:label xml:lang="en">ReferenceGuide</rdfs:label>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#sponsoredBy" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
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    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#issue" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#heading" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
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  </owl:Class>

  <owl:Class rdf:ID="StudentReport">
    <rdfs:subClassOf rdf:resource="#Entry" />
    <rdfs:label xml:lang="en">StudentReport</rdfs:label>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#writtenBy" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
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    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#heading" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#issuer" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
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    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#publishingDate" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>

  <owl:Class rdf:ID="MScThesis">
    <rdfs:subClassOf rdf:resource="#StudentReport" />
    <rdfs:label xml:lang="en">MScThesis</rdfs:label>
  </owl:Class>

  <owl:Class rdf:ID="DoctoralThesis">
    <rdfs:subClassOf rdf:resource="#StudentReport" />
    <rdfs:label xml:lang="en">DoctoralThesis</rdfs:label>
  </owl:Class>

  <owl:Class rdf:ID="Various">
    <rdfs:subClassOf rdf:resource="#Entry" />
    <rdfs:label xml:lang="en">Various</rdfs:label>
  </owl:Class>

  <owl:Class rdf:ID="CongressMinutes">
    <rdfs:subClassOf rdf:resource="#Book" />
    <rdfs:label xml:lang="en">CongressMinutes</rdfs:label>
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    <rdfs:subClassOf>
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	<owl:onProperty rdf:resource="#meeting" />
	<owl:allValuesFrom rdf:resource="#Congress"/>
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    <rdfs:subClassOf>
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	<owl:onProperty rdf:resource="#coordinatedBy" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
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    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#sponsoredBy" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
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    <rdfs:subClassOf rdf:resource="#Entry" />
    <rdfs:label xml:lang="en">Report</rdfs:label>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#writtenBy" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#heading" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
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    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#issuedBy" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
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    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#publishingDate" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
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    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#publishingDate" />
	<owl:allValuesFrom rdf:resource="#Date" />
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#number" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>

  <owl:Class rdf:ID="TechnicalReport">
    <rdfs:subClassOf rdf:resource="#Report" />
    <rdfs:label xml:lang="en">TechnicalReport</rdfs:label>
  </owl:Class>

  <owl:Class rdf:ID="Deliverable">
    <rdfs:subClassOf rdf:resource="#Report" />
    <rdfs:label xml:lang="en">Deliverable report</rdfs:label>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#contract" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>

  <owl:Class rdf:ID="Manuscript">
    <rdfs:subClassOf rdf:resource="#NonFormal" />
    <rdfs:label xml:lang="en">Manuscript</rdfs:label>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#writtenBy" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#heading" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#comment" />
	<owl:minCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:minCardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>

  <owl:Class rdf:ID="Movie">
    <rdfs:subClassOf rdf:resource="#Entry" />
    <rdfs:label xml:lang="en">Movie</rdfs:label>
  </owl:Class>

  <!-- SPECIAL CLASSES -->

  <owl:Class rdf:ID="Periodical">
    <rdfs:label xml:lang="en">Periodical or magazine</rdfs:label>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#id" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
   <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#id" />
	<owl:allValuesFrom rdf:resource="&xsd;string"/>
      </owl:Restriction>
    </rdfs:subClassOf>
   <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#acronym" />
	<owl:allValuesFrom rdf:resource="&xsd;string"/>
      </owl:Restriction>
    </rdfs:subClassOf>
   <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#frequency" />
	<owl:allValuesFrom rdf:resource="&xsd;string"/>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#publishedBy" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#inSeries" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#startDate" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>

  <owl:Class rdf:ID="Congress">
    <rdfs:label xml:lang="en">The place of an meeting</rdfs:label>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#id" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#organizedBy" />
	<owl:allValuesFrom rdf:resource="#Organization"/>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#acronym" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#issue" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#place" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>

  <owl:Class rdf:ID="Directions">
    <rdfs:label xml:lang="en">Directions</rdfs:label>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#country" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#country" />
	<owl:allValuesFrom rdf:resource="&xsd;string"/>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#state" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#state" />
	<owl:allValuesFrom rdf:resource="&xsd;string"/>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#town" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#town" />
	<owl:allValuesFrom rdf:resource="&xsd;string"/>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>

  <owl:Class rdf:ID="Organization">
    <rdfs:subClassOf rdf:resource="&foaf;Organization"/>
    <rdfs:label xml:lang="en">Organization</rdfs:label>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#id" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#acronym" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#coordinates" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>

  <owl:Class rdf:ID="PublishingHouse">
    <rdfs:subClassOf rdf:resource="#Organization" />
    <rdfs:label xml:lang="en">PublishingHouse</rdfs:label>
  </owl:Class>

  <!-- trouver une ontologie pour ca -->
  <owl:Class rdf:ID="University">
    <rdfs:subClassOf rdf:resource="#Organization" />
    <rdfs:label xml:lang="en">University</rdfs:label>
  </owl:Class>

  <owl:Class rdf:ID="People">
    <rdfs:subClassOf rdf:resource="&rdf;List"/>
    <rdfs:label xml:lang="en">Person list</rdfs:label>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="&rdf;first" />        
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="&rdf;first" />
	<owl:allValuesFrom rdf:resource="&foaf;Person" />
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="&rdf;rest" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="&rdf;rest" />
	<owl:allValuesFrom>
	  <owl:Class>
	    <owl:unionOf rdf:parseType="Collection">
	      <owl:Class rdf:about="#People" />
	      <owl:Class>
		<owl:oneOf rdf:parseType="Collection">
		  <rdf:List rdf:about="&rdf;nil" />
		</owl:oneOf>
	      </owl:Class>
	    </owl:unionOf>
	  </owl:Class>
	</owl:allValuesFrom>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>

  <owl:Class rdf:ID="PageInterval">
    <rdfs:label xml:lang="en">PageInterval</rdfs:label>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#beginning" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#end" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>

  <owl:Class rdf:ID="Date">
    <rdfs:label xml:lang="en">Date</rdfs:label>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#year" />
	<owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:cardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#year" />
	<owl:allValuesFrom rdf:resource="&xsd;gYear"/>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#month" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#month" />
	<owl:allValuesFrom rdf:resource="&xsd;gMonth"/>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#day" />
	<owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">1</owl:maxCardinality>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
	<owl:onProperty rdf:resource="#day" />
	<owl:allValuesFrom rdf:resource="&xsd;gDay"/>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>
    
  <!--
    ********  FIELDS  ********

  -->

  <owl:DatatypeProperty rdf:ID="ref">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">ref</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="selection">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">howReviewed</rdfs:label>
  </owl:DatatypeProperty>

  <owl:ObjectProperty rdf:ID="coordinates">
    <rdfs:domain rdf:resource="&owl;Thing"/>
    <rdfs:range rdf:resource="#Directions" />
    <rdfs:label xml:lang="en">coordinates</rdfs:label>
  </owl:ObjectProperty>

  <owl:ObjectProperty rdf:ID="meeting">
    <rdfs:domain rdf:resource="#CongressMinutes"/>
    <rdfs:range rdf:resource="#Congress" />
    <rdfs:label xml:lang="en">meeting</rdfs:label>
  </owl:ObjectProperty>

  <owl:ObjectProperty rdf:ID="organizedBy">
    <rdfs:domain rdf:resource="#Congress"/>
    <rdfs:range rdf:resource="&foaf;Organization" />
    <rdfs:label xml:lang="en">organizedBy</rdfs:label>
  </owl:ObjectProperty>

  <owl:DatatypeProperty rdf:ID="annotation">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">annotation</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="frequency">
    <rdfs:domain rdf:resource="#Periodical" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">Perioditown</rdfs:label>
  </owl:DatatypeProperty>

  <owl:ObjectProperty rdf:ID="contract">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&owl;Thing" />
    <rdfs:label xml:lang="en">Contract</rdfs:label>
  </owl:ObjectProperty>

  <owl:DatatypeProperty rdf:ID="startDate">
    <rdfs:domain rdf:resource="#BookSection" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">First published</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="issue">
    <rdfs:domain>
      <owl:Class>
	<owl:unionOf rdf:parseType="Collection">
	  <owl:Class rdf:about="#Book" />
	  <owl:Class rdf:about="#ReferenceGuide" />
	</owl:unionOf>
      </owl:Class>
    </rdfs:domain>
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">issue</rdfs:label>
  </owl:DatatypeProperty>

  <owl:ObjectProperty rdf:ID="createdBy">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="#People" />
    <rdfs:label xml:lang="en">human creator</rdfs:label>
  </owl:ObjectProperty>

  <owl:ObjectProperty rdf:ID="writtenBy">
    <rdfs:subPropertyOf rdf:resource="#createdBy" />
    <rdfs:label xml:lang="en">writtenBy</rdfs:label>
  </owl:ObjectProperty>

  <owl:ObjectProperty rdf:ID="coordinatedBy">
    <rdfs:subPropertyOf rdf:resource="#createdBy" />
    <rdfs:label xml:lang="en">coordinatedBy</rdfs:label>
  </owl:ObjectProperty>

  <owl:ObjectProperty rdf:ID="directedBy">
    <rdfs:subPropertyOf rdf:resource="#createdBy" />
    <rdfs:domain rdf:resource="#Movie" />
    <rdfs:label xml:lang="en">directedBy</rdfs:label>
  </owl:ObjectProperty>

  <owl:DatatypeProperty rdf:ID="PublicationDetails">
    <rdfs:domain>
      <owl:Class>
	<owl:unionOf rdf:parseType="Collection">
	  <owl:Class rdf:about="#Various" />
	  <owl:Class rdf:about="#Brochure" />
	</owl:unionOf>
      </owl:Class>
    </rdfs:domain>
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">published</rdfs:label>
  </owl:DatatypeProperty>

  <owl:ObjectProperty rdf:ID="issuedBy">
    <rdfs:domain rdf:resource="#TechnicalReport" />
    <rdfs:range rdf:resource="#Organization" />
    <rdfs:label xml:lang="en">issuedBy</rdfs:label>
  </owl:ObjectProperty>

  <owl:ObjectProperty rdf:ID="partOf">
    <rdfs:domain rdf:resource="#Section" />
    <rdfs:label xml:lang="en">is part of</rdfs:label>
    <rdf:type rdf:resource="&owl;TransitiveProperty" />
  </owl:ObjectProperty>

  <owl:ObjectProperty rdf:ID="inPeriodical">
    <rdfs:domain rdf:resource="#JournalPaper" />
    <rdfs:range rdf:resource="#Periodical" />
    <rdfs:subPropertyOf rdf:resource="#partOf" />
    <rdfs:label xml:lang="en">inPeriodical</rdfs:label>
  </owl:ObjectProperty>

  <owl:ObjectProperty rdf:ID="inVolume">
    <rdfs:domain rdf:resource="#Extract" />
    <rdfs:range rdf:resource="#Monograph" />
    <rdfs:subPropertyOf rdf:resource="#partOf" />
    <rdfs:label xml:lang="en">inVolume</rdfs:label>
  </owl:ObjectProperty>

  <owl:ObjectProperty rdf:ID="inCompilation">
    <rdfs:domain rdf:resource="#InCompilation" />
    <rdfs:range rdf:resource="#Compilation" />
    <rdfs:subPropertyOf rdf:resource="#partOf" />
    <rdfs:label xml:lang="en">inCompilation</rdfs:label>
  </owl:ObjectProperty>

  <owl:ObjectProperty rdf:ID="inMinutes">
    <rdfs:domain rdf:resource="#Communication" />
    <rdfs:range rdf:resource="#CongressMinutes" />
    <rdfs:subPropertyOf rdf:resource="#partOf" />
    <rdfs:label xml:lang="en">inMinutes</rdfs:label>
  </owl:ObjectProperty>

  <owl:ObjectProperty rdf:ID="publishingDate">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="#Date" />
    <rdfs:label xml:lang="en">publishingDate</rdfs:label>
  </owl:ObjectProperty>

  <owl:DatatypeProperty rdf:ID="comment">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">comment</rdfs:label>
  </owl:DatatypeProperty>

  <owl:ObjectProperty rdf:ID="sponsoredBy">
    <rdfs:domain>
      <owl:Class>
	<owl:unionOf rdf:parseType="Collection">
	  <owl:Class rdf:about="#CongressMinutes" />
	  <owl:Class rdf:about="#ReferenceGuide" />
	</owl:unionOf>
      </owl:Class>
    </rdfs:domain>
    <rdfs:range rdf:resource="&foaf;Organization" />
    <rdfs:label xml:lang="en">sponsoredBy</rdfs:label>
  </owl:ObjectProperty>

  <owl:ObjectProperty rdf:ID="publishedBy">
    <rdfs:domain>
      <owl:Class>
	<owl:unionOf rdf:parseType="Collection">
	  <owl:Class rdf:about="#Entry" />
	  <owl:Class rdf:about="#Periodical" />
	</owl:unionOf>
      </owl:Class>
      </rdfs:domain>
    <rdfs:range rdf:resource="#PublishingHouse" />
    <rdfs:label xml:lang="en">publishedBy</rdfs:label>
  </owl:ObjectProperty>

  <owl:ObjectProperty rdf:ID="issuer">
    <rdfs:domain>
      <owl:Class>
	<owl:unionOf rdf:parseType="Collection">
	  <owl:Class rdf:about="#StudentReport" />
	  <owl:Class rdf:about="#CourseMaterial" />
	</owl:unionOf>
      </owl:Class>
    </rdfs:domain>
    <rdfs:range rdf:resource="#University" />
    <rdfs:label xml:lang="en">issuer</rdfs:label>
  </owl:ObjectProperty>

  <owl:DatatypeProperty rdf:ID="inSeries">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">inSeries</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="heading">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">heading</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="type">
    <rdfs:domain>
      <owl:Class>
	<owl:unionOf rdf:parseType="Collection">
	  <owl:Class rdf:about="#BookSection" />
	  <owl:Class rdf:about="#TechnicalReport" />
	  <owl:Class rdf:about="#StudentReport" />
	</owl:unionOf>
      </owl:Class>
    </rdfs:domain>
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">type</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="company">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">company</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="summary">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">summary</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="table">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">ontents</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="rights">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">rights</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="ISBN">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">ISBN</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="ISSN">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">ISSN</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="KeyWordsAndPhrases">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">KeyWordsAndPhrases</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="idiom">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;language" />
    <rdfs:label xml:lang="en">idiom</rdfs:label>
  </owl:DatatypeProperty>

  <owl:ObjectProperty rdf:ID="place">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="#Directions" />
    <rdfs:label xml:lang="en">place</rdfs:label>
  </owl:ObjectProperty>

  <owl:DatatypeProperty rdf:ID="LCCN">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">LCCN</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="MRN">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">MR number</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="amount">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">amount</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="dimensions">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">dimensions</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="link">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">URL</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="id">
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">The id of an entity.</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="acronym">
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">The id of an entity.</rdfs:label>
  </owl:DatatypeProperty>

  <!--
    ********  "META" PROPERTIES  ********
  -->

  <owl:DatatypeProperty rdf:ID="section">
    <rdfs:domain rdf:resource="#Section" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">section</rdfs:label>
  </owl:DatatypeProperty>

  <owl:ObjectProperty rdf:ID="pageRange">
    <rdfs:domain rdf:resource="#Section" />
    <rdfs:range rdf:resource="#PageInterval" />
    <rdfs:label xml:lang="en">pageRange</rdfs:label>
  </owl:ObjectProperty>

  <owl:DatatypeProperty rdf:ID="numbering">
    <rdfs:domain rdf:resource="#Entry"/>
    <rdfs:label xml:lang="en">volume or number</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="number">
    <rdfs:domain rdf:resource="#Entry" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:subPropertyOf rdf:resource="#numbering" />
    <rdfs:label xml:lang="en">number</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="issue">
    <rdfs:domain>
      <owl:Class>
        <owl:unionOf rdf:parseType="Collection">
          <owl:Class rdf:about="#Entry"/>
          <owl:Class rdf:about="#Congress"/>
        </owl:unionOf>
      </owl:Class>
    </rdfs:domain>
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:subPropertyOf rdf:resource="#numbering" />
    <rdfs:label xml:lang="en">Issue</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="volume">
    <rdfs:subPropertyOf rdf:resource="#numbering" />
    <rdfs:domain rdf:resource="#Entry"/>
    <rdfs:range rdf:resource="&xsd;nonNegativeInteger" />
    <rdfs:label xml:lang="en">volume</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="year">
    <rdfs:domain rdf:resource="#Date" />
    <rdfs:range rdf:resource="&xsd;gYear" />
    <rdfs:label xml:lang="en">year</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="month">
    <rdfs:domain rdf:resource="#Date" />
    <rdfs:range rdf:resource="&xsd;gMonth" />
    <rdfs:label xml:lang="en">month</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="day">
    <rdfs:domain rdf:resource="#Date" />
    <rdfs:range rdf:resource="&xsd;gDay" />
    <rdfs:label xml:lang="en">day</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="town">
    <rdfs:domain rdf:resource="#Directions" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">town</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="state">
    <rdfs:domain rdf:resource="#Directions" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">state</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="country">
    <rdfs:domain rdf:resource="#Directions" />
    <rdfs:range rdf:resource="&xsd;string" />
    <rdfs:label xml:lang="en">country</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="beginning">
    <rdfs:domain rdf:resource="#PageInterval" />
    <rdfs:range rdf:resource="&xsd;nonNegativeInteger" />
    <rdfs:label xml:lang="en">start page</rdfs:label>
  </owl:DatatypeProperty>

  <owl:DatatypeProperty rdf:ID="end">
    <rdfs:domain rdf:resource="#PageInterval" />
    <rdfs:range rdf:resource="&xsd;nonNegativeInteger" />
    <rdfs:label xml:lang="en">end page</rdfs:label>
  </owl:DatatypeProperty>

<!-- PEOPLE -->

<foaf:Person rdf:about="#a04570373">
	<rdfs:label>John-Jules Meyer</rdfs:label>
	<id rdf:datatype="&xsd;string">John-Jules Meyer</id>
	<firstName rdf:datatype="&xsd;string">John-Jules</firstName>
	<lastName rdf:datatype="&xsd;string">Meyer</lastName>
</foaf:Person>

<foaf:Person rdf:about="#a43836633">
	<rdfs:label>Jeen Broekstra</rdfs:label>
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