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    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
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    xmlns:owl="http://www.w3.org/2002/07/owl#"
  xml:base="http://swan.mindinformatics.org/ontology/1.0/20070313/collections.owl">
  <owl:Ontology rdf:about="">
    <rdfs:comment rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
    >Originally created by IBM http://ibm-slrp.sourceforge.net/</rdfs:comment>
    <rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
    >SWAN Collections 1.0</rdfs:label>
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    >1.0 b001 20070313</owl:versionInfo>
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    </rdfs:subClassOf>
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        >1</owl:cardinality>
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          <owl:ObjectProperty rdf:ID="itemObject"/>
        </owl:onProperty>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>
  <owl:Class rdf:ID="Collection">
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      <owl:Restriction>
        <owl:minCardinality rdf:datatype="http://www.w3.org/2001/XMLSchema#int"
        >0</owl:minCardinality>
        <owl:onProperty>
          <owl:ObjectProperty rdf:ID="item"/>
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  <owl:Class rdf:ID="LiteralItem">
    <rdfs:subClassOf rdf:resource="#Item"/>
    <rdfs:subClassOf>
      <owl:Restriction>
        <owl:cardinality rdf:datatype="http://www.w3.org/2001/XMLSchema#int"
        >1</owl:cardinality>
        <owl:onProperty>
          <owl:DatatypeProperty rdf:ID="itemData"/>
        </owl:onProperty>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>
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      <owl:Restriction>
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        <owl:onProperty>
          <owl:ObjectProperty rdf:ID="nextItem"/>
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      </owl:Restriction>
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    <rdfs:subClassOf rdf:resource="#Item"/>
    <rdfs:subClassOf>
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  <owl:Class rdf:ID="OrderedCollection">
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    <rdfs:subClassOf>
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        <owl:onProperty>
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    <rdfs:range rdf:resource="#Item"/>
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  <owl:ObjectProperty rdf:about="#firstItem">
    <rdfs:range rdf:resource="#OrderedItem"/>
    <rdfs:subPropertyOf rdf:resource="#item"/>
    <rdfs:domain rdf:resource="#OrderedCollection"/>
  </owl:ObjectProperty>
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    <rdfs:domain rdf:resource="#OrderedItem"/>
  </owl:ObjectProperty>
  <owl:ObjectProperty rdf:about="#previousItem">
    <rdfs:domain rdf:resource="#OrderedItem"/>
    <rdfs:range rdf:resource="#OrderedItem"/>
  </owl:ObjectProperty>
  <owl:DatatypeProperty rdf:about="#collectionSize">
    <rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#int"/>
    <rdfs:domain rdf:resource="#OrderedCollection"/>
  </owl:DatatypeProperty>
  <owl:DatatypeProperty rdf:about="#itemData">
    <rdfs:domain rdf:resource="#LiteralItem"/>
  </owl:DatatypeProperty>
</rdf:RDF>

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