query-ae25ab6e0bba480d8e3155f67e8f3853
TODO
Use at
- https://query.wikidata.org/sparql
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/>
SELECT ?item WHERE{
?item p:P31 ?node .
?node ps:P31 wd:Q14839548 .
OPTIONAL{
?node pq:P580 ?startdate .
}
FILTER(!bound(?startdate))
}
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v2("?item"):::projected
v3("?node")
v1("?startdate")
c3(["wd:Q14839548"]):::iri
f0[["not bound(?startdate)"]]
f0 --> v1
v2 --"p:P31"--> v3
v3 --"p:statement/P31"--> c3
subgraph optional0["(optional)"]
style optional0 fill:#bbf,stroke-dasharray: 5 5;
v3 -."p:qualifier/P580".-> v1
end