query-990d8ab1e1187f16553a00204cb18f82

rq turtle/ttl

Conteggio scientific journals SELECT (COUNT(DISTINCT ?journal) AS ?scientificjournal) WHERE { ?journal wdt:P31/wdt:P279* wd:Q685935 . #istanza di/sottoclasse di pubblicazione periodica specializzata }

Use at

https://query.wikidata.org/sparql

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
#Conteggio scientific journals
SELECT (COUNT(DISTINCT ?journal) AS ?scientificjournal)
WHERE
{
  ?journal wdt:P31/wdt:P279* wd:Q685935 . #istanza di/sottoclasse di pubblicazione periodica specializzata
  }

Query found at

https://www.wikidata.org/wiki/User:Uomovariabile/Queries

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?journal"):::projected v2("?scientificjournal") a1((" ")) c3(["wd:Q685935"]):::iri v1 --"wdt:P31"--> a1 a1 --"wdt:P279"--> c3 bind1[/"count(?journal)"/] v1 --o bind1 bind1 --as--o v2