query-c11d1ae2acb1fd4c9da9bcd5a3a57664
FILTER NOT EXIST this OR thatHow do I implement the filters in this query such that I get items where either ?hos or ?hog is null?
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 ?hogLabel ?hosLabel
WHERE
{
?item wdt:P31 wd:Q6256.
OPTIONAL {?item wdt:P1906 ?hos .}
OPTIONAL {?item wdt:P1313 ?hog .}
FILTER NOT EXISTS {?item wdt:P1906 [] .}
# FILTER NOT EXISTS {?item wdt:P1313 [] .}
SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}
ORDER BY ?item
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v3("?hog")
v2("?hos")
v1("?item"):::projected
a1((" "))
c6(["bd:serviceParam"]):::iri
c8(["#91;AUTO_LANGUAGE#93;,en"]):::literal
c3(["wd:Q6256"]):::iri
f0[["not "]]
subgraph f0e0["Exists Clause"]
e0v1 --"wdt:P1906"--> e0a1
e0v1("?item"):::projected
e0a1((" ")):::projected
end
f0--EXISTS--> f0e0
f0 --> v1
f0 --> c1
f0 --> a1
v1 --"wdt:P1906"--> a1
v1 --"wdt:P31"--> c3
subgraph optional0["(optional)"]
style optional0 fill:#bbf,stroke-dasharray: 5 5;
v1 -."wdt:P1906".-> v2
end
subgraph optional1["(optional)"]
style optional1 fill:#bbf,stroke-dasharray: 5 5;
v1 -."wdt:P1313".-> v3
end
subgraph s1["http://wikiba.se/ontology#label"]
style s1 stroke-width:4px;
c6 --"wikibase:language"--> c8
end