query-90c404ef308854da4c95329c2112dbe3
Articles in a given journal with no language precised
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 bd: <http://www.bigdata.com/rdf#>
SELECT ?item ?itemLabel ?year
WHERE
{
?item wdt:P1433 wd:Q21385818 .
?item wdt:P31 wd:Q13442814 .
optional { ?item wdt:P407 ?language . }
filter(!bound(?language) )
?item wdt:P577 ?date .
BIND(YEAR(?date) AS ?year) .
SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v3("?date")
v2("?item"):::projected
v1("?language")
v4("?year"):::projected
c4(["wd:Q13442814"]):::iri
c8(["bd:serviceParam"]):::iri
c2(["wd:Q21385818"]):::iri
c10(["en"]):::literal
f0[["not bound(?language)"]]
f0 --> v1
v2 --"wdt:P1433"--> c2
v2 --"wdt:P31"--> c4
subgraph optional0["(optional)"]
style optional0 fill:#bbf,stroke-dasharray: 5 5;
v2 -."wdt:P407".-> v1
end
v2 --"wdt:P577"--> v3
bind1[/"year-from-dateTime(?date)"/]
v3 --o bind1
bind1 --as--o v4
subgraph s1["http://wikiba.se/ontology#label"]
style s1 stroke-width:4px;
c8 --"wikibase:language"--> c10
end