query-b56baa527dec7d1ca230a09f9efa657e

rq turtle/ttl

  1. Get topics for the authors. (Q63808847)Dmitry Vinogradov , (Q63759170)Oleg Anshakov , (Q4484888)Victor Konstantinovich Finn , (Q63809637)Maria A. Mikheyenkova Get topics for

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#>
#defaultView:BubbleChart
SELECT ?topic ?topicLabel (COUNT(?topic) as ?count)
WHERE 
{
  VALUES ?authors { wd:Q63809637 wd:Q4484888 wd:Q63759170 wd:Q63808847 }
  ?work wdt:P50 ?authors.
  ?work wdt:P921 ?topic.

  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}
GROUP BY ?topic ?topicLabel
ORDER BY DESC (?count)

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v2("?authors") v5("?count") v4("?topic"):::projected v3("?work") c4(["bd:serviceParam"]):::iri c6(["#91;AUTO_LANGUAGE#93;,en"]):::literal bind0[/VALUES ?authors/] bind0-->v2 bind00(["wd:Q63809637"]) bind00 --> bind0 bind01(["wd:Q4484888"]) bind01 --> bind0 bind02(["wd:Q63759170"]) bind02 --> bind0 bind03(["wd:Q63808847"]) bind03 --> bind0 v3 --"wdt:P50"--> v2 v3 --"wdt:P921"--> v4 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c4 --"wikibase:language"--> c6 end bind2[/"count(?topic)"/] v4 --o bind2 bind2 --as--o v5