query-f14d1fc5f88063f00c5e8936613beb0e
Mfchris84
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#>
PREFIX geof: <http://www.opengis.net/def/geosparql/function/>
SELECT ?bookcase ?bookcaseLabel ?location1 ?library ?libraryLabel ?location2 ?distance
WHERE {
{
SELECT ?bookcase ?location1 ?library ?location2 ?distance WHERE {
{
SELECT ?bookcase ?location1 (MIN(?distance) AS ?minDistance) WHERE {
?bookcase wdt:P31 wd:Q294297;
wdt:P625 ?location1;
wdt:P17 wd:Q40.
?library wdt:P31 wd:Q28564;
wdt:P625 ?location2;
wdt:P17 wd:Q40.
BIND(geof:distance(?location1, ?location2) AS ?distance)
}
GROUP BY ?bookcase ?location1
}
?library wdt:P31 wd:Q28564;
wdt:P625 ?location2;
wdt:P17 wd:Q40.
BIND(geof:distance(?location1, ?location2) AS ?distance)
FILTER(?distance = ?minDistance)
}
}
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;
v3("?bookcase"):::projected
v7("?distance"):::projected
v5("?library"):::projected
v4("?location1"):::projected
v6("?location2"):::projected
v7("?minDistance")
c8(["bd:serviceParam"]):::iri
c6(["wd:Q28564"]):::iri
c5(["wd:Q40"]):::iri
c10(["#91;AUTO_LANGUAGE#93;,en"]):::literal
c2(["wd:Q294297"]):::iri
f0[["?distance = ?minDistance"]]
f0 --> v7
f0 --> v7
v3 --"wdt:P31"--> c2
v3 --"wdt:P625"--> v4
v3 --"wdt:P17"--> c5
v5 --"wdt:P31"--> c6
v5 --"wdt:P625"--> v6
v5 --"wdt:P17"--> c5
bind1[/"http://www.opengis.net/def/geosparql/function/distance(?location1,?location2)"/]
v4 --o bind1
v6 --o bind1
bind1 --as--o v7
bind3[/"min(?distance)"/]
v7 --o bind3
bind3 --as--o v7
v5 --"wdt:P31"--> c6
v5 --"wdt:P625"--> v6
v5 --"wdt:P17"--> c5
bind4[/"http://www.opengis.net/def/geosparql/function/distance(?location1,?location2)"/]
v4 --o bind4
v6 --o bind4
bind4 --as--o v7
subgraph s1["http://wikiba.se/ontology#label"]
style s1 stroke-width:4px;
c8 --"wikibase:language"--> c10
end