query-5c5732b7670f2e541513d93514cf0fb7

rq turtle/ttl

title:Count all external identifiers being from Italy SELECT ?ids_count (COUNT(?item) AS ?item_count) WHERE { SELECT ?item (COUNT(?ids) AS ?ids_count) WHERE { ?item wdt:P9114 ?id . OPTIONAL { ?item ?prop ?ids. ?propItem wikibase:directClaim ?prop. ?propItem wikibase:propertyType wikibase:ExternalId. ?propItem wdt:P17 wd:Q38.} } GROUP BY ?item } GROUP BY ?ids_count ORDER BY ?ids_count

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/>
#title:Count all external identifiers being from Italy
SELECT ?ids_count (COUNT(?item) AS ?item_count) WHERE { 
  SELECT ?item (COUNT(?ids) AS ?ids_count) WHERE {
    ?item wdt:P9114 ?id .
    OPTIONAL { 
      ?item ?prop ?ids.
      ?propItem wikibase:directClaim ?prop.
      ?propItem wikibase:propertyType wikibase:ExternalId.
      ?propItem wdt:P17 wd:Q38.}
    } GROUP BY ?item
} GROUP BY ?ids_count
ORDER BY ?ids_count

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v3("?id") v5("?ids") v7("?ids_count"):::projected v2("?item"):::projected v7("?item_count") v4("?prop") v6("?propItem") c6(["wd:Q38"]):::iri c4(["wikibase:ExternalId"]):::iri v2 --"wdt:P9114"--> v3 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v2 -->v4--> v5 v6 -."wikibase:directClaim".-> v4 v6 --"wikibase:propertyType"--> c4 v6 --"wdt:P17"--> c6 end bind1[/"count(?ids)"/] v5 --o bind1 bind1 --as--o v7 bind3[/"count(?item)"/] v2 --o bind3 bind3 --as--o v7