query-96068ac97520f6dbd7dc1fb64f961b32

rq turtle/ttl

List of identifiers for items with a given type of identifier 20:25, 14 November 2017 (UTC)) talk (MartinPoulter, but couldn't get it to work: I suppose I'm not clear on the different ways to address a property. Thanks in advance, this example. I tried to adapt (Q19595382)Wikidata property for authority control for people (P31)instance of ) then the value of that identifier. The property would have to be (P214)VIAF ID authority identifiers of those items. The result would have three columns: first the item, then the name of a type of identifier (e.g. other. I want a query that gives me all the (P497)CBDB ID Take all items with a

Use at

• https://query.wikidata.org/sparql

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX p: <http://www.wikidata.org/prop/>
SELECT ?item ?identifier ?value WHERE {
   {
  SELECT DISTINCT ?item WHERE {
    ?item p:P497 []
  }
}.
  ?identifier wikibase:propertyType wikibase:ExternalId; wikibase:claim ?p; wikibase:statementProperty ?ps; wdt:P31/wdt:P279* wd:Q19595382 .
  ?item ?p [ ?ps ?value ] .
}

Query found at

• https://www.wikidata.org/wiki/Wikidata:Request_a_query/Archive/2017/11