query-369caf974485b477c096e6d57c4b88b6
Requesting help finding all mathematics related nodesI'm looking for help writing a deep search query for all math-related nodes. I wrote the following query that returns only ~300 nodes:
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 ?linkTo WHERE {
{ wd:Q395 wdt:P361* ?item. }
UNION
{ ?item wdt:P361* wd:Q395. }
OPTIONAL { ?item wdt:P361 ?linkTo. }
SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v1("?item"):::projected
v2("?linkTo"):::projected
c4(["bd:serviceParam"]):::iri
c6(["en"]):::literal
c1(["wd:Q395"]):::iri
subgraph union0[" Union "]
subgraph union0l[" "]
style union0l fill:#abf,stroke-dasharray: 3 3;
v1 --"wdt:P361"--> c1
end
subgraph union0r[" "]
style union0r fill:#abf,stroke-dasharray: 3 3;
c1 --"wdt:P361"--> v1
end
union0r <== or ==> union0l
end
subgraph optional0["(optional)"]
style optional0 fill:#bbf,stroke-dasharray: 5 5;
v1 -."wdt:P361".-> v2
end
subgraph s1["http://wikiba.se/ontology#label"]
style s1 stroke-width:4px;
c4 --"wikibase:language"--> c6
end