query-637beb2019bfc90f3850c6f34acc7e1d

rq turtle/ttl

Classification of identifier properties or its subclasses can be queried this way: (Q19847637)Wikidata property for an identifier (unless we find some counter-examples), so every property with datatype external identifier should be put there. A list of identifier properties not classified under (Q19847637)Wikidata property for an identifier At WikidataCon we decided that all identifier properties should be classified under

Use at

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT DISTINCT ?p ?pLabel ?pDescription WHERE {
  # Wikidata property with datatype external identifier
  ?p wikibase:propertyType wikibase:ExternalId .
  FILTER NOT EXISTS {
    # Wikidata property for a unique identifier
    ?p wdt:P31/wdt:P279* wd:Q19847637 .
  }
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?p"):::projected a1((" ")) c3(["wd:Q19847637"]):::iri c7(["bd:serviceParam"]):::iri c9(["#91;AUTO_LANGUAGE#93;,en"]):::literal c5(["wikibase:ExternalId"]):::iri f0[["not "]] subgraph f0e0["Exists Clause"] e0v1 --"wdt:P31"--> e0a1 e0a1 --"wdt:P279"--> e0c3 e0v1("?p"):::projected e0a1((" ")):::projected e0c3(["wd:Q19847637"]):::iri end f0--EXISTS--> f0e0 f0 --> v1 f0 --> c1 f0 --> a1 f0 --> c2 f0 --> c3 v1 --"wdt:P31"--> a1 a1 --"wdt:P279"--> c3 v1 --"wikibase:propertyType"--> c5 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c7 --"wikibase:language"--> c9 end