You can download the ontolgy as RDF/XML, TURTLE or OWL/XML.
The ontology is used to describe a digital repository that is setup with DSpace.
Below you see the ontolgy in TURTLE:
@prefix : <http://digital-repositories.org/ontologies/dspace/#> .
@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix xml: <http://www.w3.org/XML/1998/namespace> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix void: <http://rdfs.org/ns/void#> .
@base <http://digital-repositories.org/ontologies/dspace/> .
<http://digital-repositories.org/ontologies/dspace/> rdf:type owl:Ontology ;
rdfs:label "DSpace Repository Ontology"@en ;
dc:creator "Pascal-Nicolas Becker" ;
dc:date "2014-09-11" ;
dc:description "DSpace Repository Ontology"@en ;
rdfs:comment "Ontology to describe a repository using DSpace."@en ;
dc:description "Ontology to describe a repository using DSpace. You can find further information about dspace at http://www.dspace.org."@en ;
owl:versionIRI <http://digital-repositories.org/ontologies/dspace/0.1.0> .
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# Annotation properties
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### http://purl.org/dc/elements/1.1/creator
dc:creator rdf:type owl:AnnotationProperty .
### http://purl.org/dc/elements/1.1/date
dc:date rdf:type owl:AnnotationProperty .
### http://purl.org/dc/elements/1.1/description
dc:description rdf:type owl:AnnotationProperty .
### http://purl.org/dc/elements/1.1/title
dc:title rdf:type owl:AnnotationProperty .
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# Object Properties
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### http://digital-repositories.org/ontologies/dspace/#hasBitstream
:hasBitstream rdf:type owl:ObjectProperty ;
rdfs:comment "Links from an item to a bitstream of the item. Bitstreams can be a representation of an item or a part of a representation composed of several bitstreams. Bitstreams are arbitrary files, e.g. documents, archives, images, ..."@en ;
rdfs:domain :Item ;
rdfs:subPropertyOf :hasPart .
### http://digital-repositories.org/ontologies/dspace/#hasCollection
:hasCollection rdf:type owl:ObjectProperty ;
rdfs:comment "Links from a community to a collection the community contains."@en ;
rdfs:range :Collection ;
rdfs:domain :Community ;
rdfs:subPropertyOf :hasPart ;
owl:inverseOf :isPartOfCommunity .
### http://digital-repositories.org/ontologies/dspace/#hasCommunity
:hasCommunity rdf:type owl:ObjectProperty ;
rdfs:comment "Links from the description of a repository to a top level community."@en ;
rdfs:range :Community ;
rdfs:domain :Repository ;
rdfs:subPropertyOf :hasPart .
### http://digital-repositories.org/ontologies/dspace/#hasItem
:hasItem rdf:type owl:ObjectProperty ;
rdfs:comment "Links from an collection to an item the collection contains."@en ;
rdfs:domain :Collection ;
rdfs:range :Item ;
rdfs:subPropertyOf :hasPart ;
owl:inverseOf :isPartOfCollection .
### http://digital-repositories.org/ontologies/dspace/#hasPart
:hasPart rdf:type owl:ObjectProperty ,
owl:TransitiveProperty ;
rdfs:comment "Links top down between the structure of a DSpace repository."@en ;
owl:inverseOf :isPartOf .
### http://digital-repositories.org/ontologies/dspace/#hasSubcommunity
:hasSubcommunity rdf:type owl:ObjectProperty ;
rdfs:comment "Links from a community to a subcommunity."@en ;
rdfs:domain :Community ;
rdfs:range :Community ;
rdfs:subPropertyOf :hasPart ;
owl:inverseOf :isSubcommunityOf .
### http://digital-repositories.org/ontologies/dspace/#isPartOf
:isPartOf rdf:type owl:ObjectProperty ,
owl:TransitiveProperty ;
rdfs:comment "Links bottom up between the structure of a DSpace repository."@en .
### http://digital-repositories.org/ontologies/dspace/#isPartOfCollection
:isPartOfCollection rdf:type owl:ObjectProperty ;
rdfs:comment "Links from an item to a collection it is part of."@en ;
rdfs:range :Collection ;
rdfs:domain :Item ;
rdfs:subPropertyOf :isPartOf .
### http://digital-repositories.org/ontologies/dspace/#isPartOfCommunity
:isPartOfCommunity rdf:type owl:ObjectProperty ;
rdfs:comment "Links from a collection to a community it belongs to."@en ;
rdfs:domain :Collection ;
rdfs:range :Community ;
rdfs:subPropertyOf :isPartOf .
### http://digital-repositories.org/ontologies/dspace/#isPartOfRepository
:isPartOfRepository rdf:type owl:ObjectProperty ;
rdfs:comment "Links a top level community of a DSpace repository to the RDF description of the repository."@en ;
rdfs:domain :Community ;
rdfs:range :Repository ;
owl:inverseOf :hasCommunity ;
rdfs:subPropertyOf :isPartOf .
### http://digital-repositories.org/ontologies/dspace/#isSubcommunityOf
:isSubcommunityOf rdf:type owl:ObjectProperty ;
rdfs:comment "Links from a community to its parent community."@en ;
rdfs:domain :Community ;
rdfs:range :Community ;
rdfs:subPropertyOf :isPartOf .
### http://digital-repositories.org/ontologies/dspace/#oaiPmh2Interface
:oaiPmh2Interface rdf:type owl:ObjectProperty ;
rdfs:comment "Links to the the base URL of an OAI-PMH2 interface that can be used to harvest a void:Dataset." ;
owl:equivalentProperty <http://eprints.org/ontology/OAIPMH2> .
### http://eprints.org/ontology/OAIPMH2
<http://eprints.org/ontology/OAIPMH2> rdf:type owl:ObjectProperty .
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# Classes
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### http://digital-repositories.org/ontologies/dspace/#Bitstream
:Bitstream rdf:type owl:Class .
### http://digital-repositories.org/ontologies/dspace/#Collection
:Collection rdf:type owl:Class .
### http://digital-repositories.org/ontologies/dspace/#Community
:Community rdf:type owl:Class .
### http://digital-repositories.org/ontologies/dspace/#Item
:Item rdf:type owl:Class .
### http://digital-repositories.org/ontologies/dspace/#Repository
:Repository rdf:type owl:Class ;
rdfs:subClassOf void:Dataset .
### http://rdfs.org/ns/void#Dataset
void:Dataset rdf:type owl:Class .
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# General axioms
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[] rdf:type owl:AllDisjointClasses ;
owl:members ( :Bitstream
:Collection
:Community
:Item
:Repository
) .