query-d49f035450e1e9a69ef7b1d25bcc9d8d
lauses, seega see on väga lihtne: ORDER BY) ?arv lausest (siin, SELECTOleme päringu peaaegu valmis saanud, kõigest üks täiustus: me tahaksime näha enim kasutatud materjale esimesena. Õnneks saame kasutada uusi, agregeeritud muutujaid
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 ?materjal ?materjalLabel (COUNT(?maal) AS ?arv)
WHERE
{
?maal wdt:P31/wdt:P279* wd:Q3305213;
p:P186 [ ps:P186 ?materjal; pq:P518 wd:Q861259 ].
SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE]". }
}
GROUP BY ?materjal ?materjalLabel
ORDER BY DESC(?arv)
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v4("?arv")
v2("?maal"):::projected
v3("?materjal"):::projected
a1((" "))
a2((" "))
c3(["wd:Q3305213"]):::iri
c9(["bd:serviceParam"]):::iri
c11(["#91;AUTO_LANGUAGE#93;"]):::literal
c6(["wd:Q861259"]):::iri
v2 --"p:direct/P31"--> a1
a1 --"p:direct/P279"--> c3
a2 --"p:statement/P186"--> v3
a2 --"p:qualifier/P518"--> c6
v2 --"p:P186"--> a2
subgraph s1["http://wikiba.se/ontology#label"]
style s1 stroke-width:4px;
c9 --"wikibase:language"--> c11
end
bind1[/"count(?maal)"/]
v2 --o bind1
bind1 --as--o v4