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There is a newer version: 1.2.0
@prefix dc:  .
@prefix xsd:  .
@prefix rdfs:  .
@prefix owl:  .
@prefix rdf:  .
@prefix ore:  .
@prefix pcdm:  .


  a owl:Ontology ;
  dc:title "Portland Common Data Model"@en ;
  dc:modified "2015-09-28"^^xsd:date ;
  dc:publisher  ;
  rdfs:seeAlso  ;
  rdfs:comment "Ontology for the Portland Common Data Model, intended to underlie a wide array of repository and DAMS applications."@en ;
  owl:versionInfo "2015/09/28" ;
  owl:priorVersion  .

pcdm:Collection
  a rdfs:Class ;
  rdfs:label "Collection"@en ;
  rdfs:comment """
        A Collection is a group of resources. Collections have descriptive metadata, access metadata,
        and may links to works and/or collections. By default, member works and collections are an
        unordered set, but can be ordered using the ORE Proxy class.
      """@en ;
  rdfs:subClassOf ore:Aggregation ;
  rdfs:isDefinedBy  .

pcdm:Object
  a rdfs:Class ;
  rdfs:label "Object"@en ;
  rdfs:comment """
        An Object is an intellectual entity, sometimes called a "work", "digital object", etc.
        Objects have descriptive metadata, access metadata, may contain files and other Objects as
        member "components". Each level of a work is therefore represented by an Object instance,
        and is capable of standing on its own, being linked to from Collections and other Objects.
        Member Objects can be ordered using the ORE Proxy class.
      """@en ;
  rdfs:subClassOf ore:Aggregation ;
  rdfs:isDefinedBy  .

pcdm:File
  a rdfs:Class ;
  rdfs:label "File"@en ;
  rdfs:comment """
        A File is a sequence of binary data and is described by some accompanying metadata.
        The metadata typically includes at least basic technical metadata (size, content type,
        modification date, etc.), but can also include properties related to preservation,
        digitization process, provenance, etc. Files MUST be contained by exactly one Object.
      """@en ;
  rdfs:isDefinedBy  .

pcdm:hasFile
  a rdf:Property ;
  rdfs:label "has file"@en ;
  rdfs:comment "Links to a File contained by this Object."@en ;
  rdfs:domain pcdm:Object ;
  rdfs:range pcdm:File ;
  rdfs:subPropertyOf ore:aggregates ;
  rdfs:isDefinedBy  .

pcdm:fileOf
  a rdf:Property ;
  rdfs:label "is file of"@en ;
  rdfs:comment "Links from a File to its containing Object."@en ;
  rdfs:range pcdm:Object ;
  rdfs:domain pcdm:File ;
  rdfs:subPropertyOf ore:isAggregatedBy ;
  rdfs:isDefinedBy  ;
  owl:inverseOf pcdm:hasFile .

pcdm:hasMember
  a rdf:Property ;
  rdfs:label "has member"@en ;
  rdfs:comment "Links to a subsidiary Object or Collection. Typically used to link to component parts, such as a book linking to a page."@en ;
  rdfs:domain ore:Aggregation ;
  rdfs:range ore:Aggregation ;
  rdfs:subPropertyOf ore:aggregates ;
  rdfs:isDefinedBy  .

pcdm:memberOf
  a rdf:Property ;
  rdfs:label "is member of"@en ;
  rdfs:comment "Links from an Object or Collection to a containing Object or Collection."@en ;
  rdfs:range ore:Aggregation ;
  rdfs:domain ore:Aggregation ;
  rdfs:subPropertyOf ore:isAggregatedBy ;
  rdfs:isDefinedBy  ;
  owl:inverseOf pcdm:hasMember .

pcdm:hasRelatedObject
  a rdf:Property ;
  rdfs:label "has related object"@en ;
  rdfs:comment "Links to a related Object that is not a component part, such as an object representing a donor agreement or policies that govern the resource."@en ;
  rdfs:domain ore:Aggregation ;
  rdfs:range pcdm:Object ;
  rdfs:subPropertyOf ore:aggregates ;
  rdfs:isDefinedBy  .

pcdm:relatedObjectOf
  a rdf:Property ;
  rdfs:label "is related object of"@en ;
  rdfs:comment "Links from an Object to a Object or Collection that it is related to."@en ;
  rdfs:range ore:Aggregation ;
  rdfs:domain pcdm:Object ;
  rdfs:subPropertyOf ore:isAggregatedBy ;
  rdfs:isDefinedBy  ;
  owl:inverseOf pcdm:hasRelatedObject .