query-ba95d1c5cd2ab16cbc54c4ccbf7852b5
TODO
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 ps: <http://www.wikidata.org/prop/statement/>
PREFIX pq: <http://www.wikidata.org/prop/qualifier/>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT ?item ?itemLabel (sum(?number) as ?count)
WHERE 
{
#  VALUES ?instrument {wd:Q5994} # count only the number of pianos
  VALUES ?item {wd:Q831870 wd:Q3414614 wd:Q2352641 wd:Q3053508 }
  ?item p:P870 ?stat.
  ?stat ps:P870 ?instrument .
#  FILTER (?instrument NOT IN (wd:Q8355)) # exclude violins from the count
  OPTIONAL {?stat pq:P1132 ?no1.}
  OPTIONAL {?stat pq:P1114 ?no2.}
  BIND(COALESCE(?no2,?no1,1) as ?number)
#  FILTER NOT EXISTS {?item wdt:P870 wd:Q8355} # exclude music having a violin
#  FILTER EXISTS {?item wdt:P870 wd:Q8355} # include music only is it has a violin
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
} group by ?item ?itemLabel
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
  v7("?count")
  v3("?instrument")
  v1("?item"):::projected 
  v4("?no1")
  v5("?no2")
  v6("?number"):::projected 
  v2("?stat")
  c6(["bd:serviceParam"]):::iri 
  c8(["#91;AUTO_LANGUAGE#93;,en"]):::literal 
  bind0[/VALUES ?item/]
  bind0-->v1
  bind00(["wd:Q831870"])
  bind00 --> bind0
  bind01(["wd:Q3414614"])
  bind01 --> bind0
  bind02(["wd:Q2352641"])
  bind02 --> bind0
  bind03(["wd:Q3053508"])
  bind03 --> bind0
  v1 --"p:P870"-->  v2
  v2 --"p:statement/P870"-->  v3
  subgraph optional0["(optional)"]
  style optional0 fill:#bbf,stroke-dasharray: 5 5;
    v2 -."p:qualifier/P1132".->  v4
  end
  subgraph optional1["(optional)"]
  style optional1 fill:#bbf,stroke-dasharray: 5 5;
    v2 -."p:qualifier/P1114".->  v5
  end
  bind1[/"?no2?no1'1^^xsd:integer'"/]
  v5 --o bind1
  v4 --o bind1
  bind1 --as--o v6
  subgraph s1["http://wikiba.se/ontology#label"]
    style s1 stroke-width:4px;
    c6 --"wikibase:language"-->  c8
  end
  bind3[/"sum(?number)"/]
  v6 --o bind3
  bind3 --as--o v7