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# URI Prefixes
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@prefix : <http://purl.org/ontology/gbv/> .
@prefix gbv: <http://purl.org/ontology/gbv/> .

@prefix dct: <http://purl.org/dc/terms/> .

@prefix ns: <http://www.w3.org/2003/06/sw-vocab-status/ns#> .
@prefix skos: <http://www.w3.org/2008/05/skos#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

@prefix void: <http://rdfs.org/ns/void#> .
@prefix daia: <http://purl.org/ontology/daia/> .

@base <http://purl.org/ontology/gbv/> .

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# About GBV Ontology
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<http://purl.org/ontology/gbv/> a owl:Ontology ;
    dct:title "GBV Ontology" ;
    dct:description "This ontology defines some concepts used by the GBV library network."@en ;
    owl:versionInfo "Beta version 2011-07-01" .

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# GBV Data Properties
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###  http://purl.org/ontology/gbv/gvkppn
:gvkppn a owl:DatatypeProperty ;
    rdfs:label "gvkppn"@en ;
    rdfs:subPropertyOf dct:identifier ;
    rdfs:comment "PPN identifier within the GBV union catalog (GVK)"@en ;
    skos:scopeNote "a PPN in general identifies a record in any PICA database. This property must only be used to identity records in GVK."@en ;
    rdfs:isDefinedBy gbv: .

### http://purl.org/ontology/gbv/iln
:iln a owl:DatatypeProperty ;
  rdfs:label "iln"@en ;
  rdfs:subPropertyOf dct:identifier ;
  rdfs:comment "internal library number (ILN) as library identifier within the GBV"@en ;
  rdfs:isDefinedBy gbv: .
#  rdfs:seeAlso libo:isil .

### http://purl.org/ontology/gbv/eln
:eln a owl:DatatypeProperty ;
  rdfs:label "eln"@en ;
  rdfs:comment "external library number (ELN) as library identifier within the GBV"@en ;
  rdfs:subPropertyOf dct:identifier ;
  rdfs:isDefinedBy gbv: .
#  rdfs:seeAlso libo:isil .

### http://purl.org/ontology/gbv/dbkey
:dbkey a owl:DatatypeProperty ;
  rdfs:label "dbkey"@en ;
  rdfs:comment "database key, used as prefix in unAPI and at other APIs within the GBV"@en ;
  skos:scopeNote "must comply to the regular expression ^[a-z][a-z0-9-]*[a-z0-9]$"@en ;
  rdfs:subPropertyOf dct:identifier ;
  rdfs:isDefinedBy gbv: .

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# GBV Object Properties
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###  http://purl.org/ontology/gbv/opac
:opac a owl:ObjectProperty ;
   rdfs:label "opac"@en ;
   rdfs:range void:Dataset ;
   rdfs:comment "main catalog of an institution"@en ;
   skos:scopeNote "the main catalog of a library usually contains records about its holdings, but the main catalog could also contain records that are not held by the institution."@en;
   rdfs:domain daia:Institution ;
   rdfs:seeAlso <http://purl.org/cld/terms/catalogueOrIndex> ;
   rdfs:seeAlso <http://id.loc.gov/vocabulary/relators/own> ;
   rdfs:isDefinedBy gbv: .

###  http://purl.org/ontology/gbv/srubase
:srubase a owl:ObjectProperty ;
   rdfs:label "srubase"@en ;
   rdfs:domain void:Dataset ;
   rdfs:comment "SRU interface of a database"@en ;
   rdfs:isDefinedBy gbv: .

###  http://purl.org/ontology/gbv/picabase
:picabase a owl:ObjectProperty ;
   rdfs:label "picabase"@en ;
   rdfs:domain void:Dataset ;
   rdfs:comment "PICA base URL of a database"@en ;
   rdfs:isDefinedBy gbv: .

###  http://purl.org/ontology/gbv/solrbase
:solrbase a owl:ObjectProperty ;
   rdfs:label "solrbase"@en ;
   rdfs:domain void:Dataset ;
   rdfs:comment "Solr base URL of a database"@en ;
   rdfs:isDefinedBy gbv: .

###  http://purl.org/ontology/gbv/oaibase
:oaibase a owl:ObjectProperty ;
   rdfs:label "oaibase"@en ;
   rdfs:domain void:Dataset ;
   rdfs:comment "OAI-PMH base URL of a database"@en ;
   rdfs:isDefinedBy gbv: .

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# GBV Datatypes
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:ppn a rdfs:Datatype ;
   rdfs:label "PPN identifier"@en ;
   rdfs:comment "A PPN in general identifies a record in a PICA database, but it does not indicate which database it comes from."@en ;
   rdfs:isDefinedBy gbv: .