query-d98a1c9976aaa13725e7f67fed783963

rq turtle/ttl

Distance query not finding itself the same? I'm completely baffled. (P625)coordinate location Can anyone explain why this query returns itself for Dover Castle, but not for Hack Green bunker, when both have

Use at

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 DISTINCT ?item ?itemLabel WHERE {
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en-GB,en,fr,de,es,pt,pl,nl,cs". }
  {
    SELECT DISTINCT ?item
                          WHERE {
#      hint:Query hint:optimizer "None"
wd:Q5637175 wdt:P625 ?targetLoc. # hack green bunker
#wd:Q950970 wdt:P625 ?targetLoc. # dover castle
SERVICE wikibase:around{
  ?item wdt:P625 ?location.
  bd:serviceParam wikibase:center ?targetLoc.
  bd:serviceParam wikibase:radius "0.1".
  bd:serviceParam wikibase:distance ?dist.
}
}
}
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v4("?dist") v2("?item"):::projected v3("?location") v1("?targetLoc") c4(["en-GB,en,fr,de,es,pt,pl,nl,cs"]):::literal c5(["wd:Q5637175"]):::iri c2(["bd:serviceParam"]):::iri c10(["0.1"]):::literal subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c2 --"wikibase:language"--> c4 end c5 --"wdt:P625"--> v1 subgraph s2["http://wikiba.se/ontology#around"] style s2 stroke-width:4px; v2 --"wdt:P625"--> v3 c2 --"wikibase:center"--> v1 c2 --"wikibase:radius"--> c10 c2 --"wikibase:distance"--> v4 end