query-4fb2fa36a3f0fcea1fbbdc61db8b6140
Vessel classes not named after something or no_value
Use at
- https://query.wikidata.org/sparql
PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wdno: <http://www.wikidata.org/prop/novalue/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT DISTINCT ?class ?ship ?classLabel ?shipLabel ?namedLabel WHERE {
SERVICE wikibase:label { bd:serviceParam wikibase:language "en-gb,en". }
?class wdt:P31/wdt:P279* wd:Q19832479.
?class wdt:P279* wd:Q2031121.
?class wdt:P137 wd:Q172771.
MINUS {?class wdt:P138 ?named}
MINUS {?class rdf:type wdno:P138}
}
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v1("?class"):::projected
v2("?named")
a1((" "))
c7(["wd:Q19832479"]):::iri
c13(["wdno:P138"]):::iri
c4(["en-gb,en"]):::literal
c8(["wd:Q2031121"]):::iri
c2(["bd:serviceParam"]):::iri
c10(["wd:Q172771"]):::iri
subgraph s1["http://wikiba.se/ontology#label"]
style s1 stroke-width:4px;
c2 --"wikibase:language"--> c4
end
v1 --"wdt:P31"--> a1
a1 --"wdt:P279"--> c7
v1 --"wdt:P279"--> c8
v1 --"wdt:P137"--> c10
subgraph minus0["MINUS"]
style minus0 stroke-width:6px,fill:pink,stroke:red;
v1 --"wdt:P138"--> v2
end
subgraph minus1["MINUS"]
style minus1 stroke-width:6px,fill:pink,stroke:red;
v1 --"a"--> c13
end