ag_voc2wd.rq

# Insert links to WD into vocab (derived from GND or GeoNames)
#
PREFIX gndo: <https://d-nb.info/standards/elementset/gnd#>
PREFIX zbwext: <http://zbw.eu/namespaces/zbw-extensions/>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
#
construct {
    ?s skos:exactMatch ?wd .
    ?wd skos:exactMatch ?s .
}
where {
  values ( ?prop ?pm20Property ?wdProperty ) {
    ( "gnd" gndo:gndIdentifier wdt:P227 )
  }
  graph <http://zbw.eu/beta/ag/ng> {
    ?s skos:prefLabel ?sLabelLang .
    filter(lang(?sLabelLang) = 'de')
    bind(str(?sLabelLang) as ?sLabel)
    ?s gndo:gndIdentifier ?id .
  }
  service <http://query.wikidata.org/sparql> {
    ?wd wdt:P227 ?id .
  }
}