query-bc14bd24c18b7557ee1c8f77b1ffbf5d

rq turtle/ttl

15:29, 8 September 2016 (UTC)) talk (SycedHow to do? Thank you! 16:57, 8 September 2016 (UTC) MolarusI´m not sure if that is the solution. At least I have found the information, that "subqueries are evaluated from the innermost first, to the outermost". Therefore this code might do it. --

Use at

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
SELECT ?image Where {
SELECT DISTINCT ?item ?image WHERE {
 ?item wdt:P131*/wdt:P17 wd:Q183.
 ?item wdt:P137 wd:Q145.
 OPTIONAL {?item wdt:P18 ?image } 
}
} Limit 1

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v2("?image"):::projected v1("?item") a1((" ")) c3(["wd:Q183"]):::iri c5(["wd:Q145"]):::iri v1 --"wdt:P131"--> a1 a1 --"wdt:P17"--> c3 v1 --"wdt:P137"--> c5 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v1 -."wdt:P18".-> v2 end