DSpace/dspace/config/modules/rdf/metadata-rdf-schema.ttl

@prefix rdf:    <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs:   <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd:    <http://www.w3.org/2001/XMLSchema#> .
@prefix owl:    <http://www.w3.org/2002/07/owl#> .
@prefix dc:     <http://purl.org/dc/elements/1.1/> .

@prefix :    <http://digital-repositories.org/ontologies/dspace-metadata-mapping/0.2.0#> .


<http://digital-repositories.org/ontologies/dspace-metadata-mapping/0.2.0>
    rdfs:comment    "Vocabulary for describing mappings of DSpace metadata to rdf." ;
    dc:contributor  "Pascal-Nicolas Becker" ;
    dc:title        "DSpace Metadata RDF Mapping Spec" ;
    dc:description  "Vocabulary for describing mappings of DSpace metadata to RDF. This vocabulary is used to configure DSpace how to convert stored metadata into RDF." ;
    dc:date         "2014-04-18" ;
    .


:DSpaceMetadataRDFMapping
    a rdfs:Class ;
    rdfs:label "DSpace Metadata RDF Mapping" ;
    rdfs:comment "Represents the mapping of a DSpace metadata value to an RDF equivalent." ;
    .

:Result
    a rdfs:Class ;
    rdfs:subClassOf rdf:Statement ;
    rdfs:label "DSpace Metadata RDF Mapping Result" ;
    rdfs:comment "A reified statement that describes the result of the DSpaceMetadataRDFMapping." ;
    .

:ValueProcessor
    a rdfs:Class ;
    rdfs:label "DSpace metadata value processor" ;
    rdfs:comment "Processes a metadata value into an RDF value or an IRI." ;
    .

:ValueModifier
    a rdfs:Class ;
    rdfs:label "Java Regex" ;
    rdfs:comment "A regular expression to be used with java, composed of a matching and a replaying expression." ;
    .

:LiteralGenerator
    a rdfs:Class ;
    rdfs:subClassOf :ValueProcessor ;
    rdfs:label "DSpace metadata value literal generator" ;
    rdfs:comment "Generates a literal depending on a DSpace metadata value." ;
    .

:ResourceGenerator
    a rdfs:Class ;
    rdfs:subClassOf :ValueProcessor ;
    rdfs:label "DSpace metadata value resource generator" ;
    rdfs:comment "Generates an IRI used for a rdfs:Resource depending on the converted DSpace Object and one of its metadata values." ;
    .

:DSpaceObjectIRI
    a rdfs:Resource ;
    rdf:type :ResourceGenerator ;
    rdf:type :ValueProcessor ;
    rdfs:label "DSpace Object IRI" ;
    rdfs:comment "Placeholder for the IRI of the DSpace Object that gets converted." ;
    .

:DSpaceValue
    a rdfs:Resource ;
    rdf:type :LiteralGenerator ;
    rdf:type :ValueProcessor ;
    rdfs:label "DSpace Metadata Value" ;
    rdfs:comment "Shortcut to generate a Literal containing an unchanged metadata value." ;
    .

:creates
    a rdf:Property ;
    rdfs:label "Result" ;
    rdfs:comment "Specifies the RDF to generate for a specified matadata." ;
    rdfs:domain :DSpaceMetadataRDFMapping ;
    rdfs:range  :Result ;
    .

:subject
    a rdf:Property ;
    rdfs:subPropertyOf rdf:subject ;
    rdfs:label "Subject" ;
    rdfs:comment "The subject of a DSpace metadata RDF mapping result." ;
    rdfs:domain :Result ;
    .

:predicate
    a rdf:Property ;
    rdfs:subPropertyOf rdf:predicate ;
    rdfs:label "Subject" ;
    rdfs:comment "The predicate of a DSpace metadata RDF mapping result." ;
    rdfs:domain :Result ;
    .

:object
    a rdf:Property ;
    rdfs:subPropertyOf rdf:object ;
    rdfs:label "Object" ;
    rdfs:comment "The object of a DSpace metadata RDF mapping result." ;
    rdfs:domain :Result ;
    .

:metadataName
    a rdf:Property ;
    rdfs:label "Metadata name" ;
    rdfs:comment "The name of the metadata to convert (e.g. dc.title)." ;
    rdfs:domain :DSpaceMetadataRDFMapping ;
    rdfs:range rdfs:Literal ;
    .

:condition
    a rdf:Property ;
    rdfs:label "Regex" ;
    rdfs:comment "A regex that the metadata value has to fulfill if the mapping should become active." ;
    rdfs:domain :DSpaceMetadataRDFMapping ;
    rdfs:range rdfs:Literal ;
    .

:modifier
    a rdf:Property ;
    rdfs:label "Value modifier" ;
    rdfs:comment "Information how the metadata value should be modified before it is inserted in the pattern." ;
    rdfs:domain :ValueProcessor ;
    rdfs:range :ValueModifier ;
    .

:matcher
    a rdf:Property ;
    rdfs:label "matching regex" ;
    rdfs:comment "A regex that matches those subsequences of a metadata value, that should be replaced." ;
    rdfs:domain rdfs:ValueModifier ;
    rdfs:range rdfs:Literal;
    .

:replacement
    a rdf:Property ;
    rdfs:label "replacing regex" ;
    rdfs:comment "A regex that replaces previously matched subsequences of a metadata value." ;
    rdfs:domain :ValueModifier ;
    rdfs:range rdfs:Literal ;
    .

:pattern
    a rdf:Property ;
    rdfs:label "Pattern" ;
    rdfs:comment "A pattern that contains $DSpaceValue as placeholder for the metadata value." ;
    rdfs:domain :ValueProcessor ;
    rdfs:range rdfs:Literal ;
    .

:literalType
    a rdf:Property ;
    rdfs:label "Literal Type" ;
    rdfs:comment "Defines the datatype a generated literal gets." ;
    rdfs:domain :LiteralGenerator ;
    rdfs:range rdf:datatype ;
    .

:literalLanguage
    a rdf:Property ;
    rdfs:label "Language" ;
    rdfs:comment "Defines the language a literal uses. Maybe overridden by #dspaceLanguageTag." ;
    rdfs:domain :LiteralGenerator ;
    rdfs:range rdfs:Literal ;
    .

:dspaceLanguageTag
    a rdf:Property ;
    rdfs:label "DSpace Language Tag";
    rdfs:comment "Defines to use the language tag of a DSpace metadata value.";
    rdfs:domain :LiteralGenerator ;
    rdfs:range xsd:boolean ;
    .