query-62950e90f9804421cdba5d5c532f4b2a
title: instances of errata with nothing pointing at them SELECT ?item ?itemLabel WITH { SELECT ?item WHERE { ?item wdt:P31 wd:Q1348305. hint:Prior hint:runFirst true. filter not exists { [] ?predicate ?item .} } } as %i WHERE { INCLUDE %i SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". } }
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#>
#title: instances of errata with nothing pointing at them
SELECT ?item ?itemLabel WHERE
{
{
SELECT ?item
WHERE
{
?item wdt:P31 wd:Q1348305.
filter not exists { [] ?predicate ?item .}
} } SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v2("?item"):::projected
v1("?predicate")
a1((" "))
c2(["wd:Q1348305"]):::iri
c4(["bd:serviceParam"]):::iri
c6(["#91;AUTO_LANGUAGE#93;,en"]):::literal
f0[["not "]]
subgraph f0e0["Exists Clause"]
e0a1 -->e0v1--> e0v2
e0v2("?item"):::projected
e0v1("?predicate"):::projected
e0a1((" ")):::projected
end
f0--EXISTS--> f0e0
f0 --> a1
f0 --> v1
f0 --> v2
a1 -->v1--> v2
v2 --"wdt:P31"--> c2
subgraph s1["http://wikiba.se/ontology#label"]
style s1 stroke-width:4px;
c4 --"wikibase:language"--> c6
end