query-4769f7fd22137b6206f99ef45ae12712
All entities in the petroleum industryIllustrates that some major items (companies in the petroleum) lack a basic industry statement
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 ?itemDescription ?itemLabel
WHERE {
?item wdt:P452 wd:Q862571 . #that contain a property, industry; that has a value, petroleum industry (Q862571)
SERVICE wikibase:label { bd:serviceParam wikibase:language "en,en" }
}
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v1("?item"):::projected
c4(["bd:serviceParam"]):::iri
c2(["wd:Q862571"]):::iri
c6(["en,en"]):::literal
v1 --"wdt:P452"--> c2
subgraph s1["http://wikiba.se/ontology#label"]
style s1 stroke-width:4px;
c4 --"wikibase:language"--> c6
end