query-e255ef082f2537edb4612d5af12b5dd9

rq turtle/ttl

Get a image if available, without duplicating if item has several imagesI want a list of all UK-operated items in Germany, each with an associated image if available.

Use at

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
SELECT DISTINCT ?item ?image WHERE {
  ?item wdt:P131 wd:Q64.            # operated by the UK
  ?item wdt:P131*/wdt:P17 wd:Q145.  # in Germany
  OPTIONAL {?item wdt:P18 ?image.}  # get an image if there is one
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v2("?image"):::projected v1("?item"):::projected a1((" ")) c2(["wd:Q64"]):::iri c4(["wd:Q145"]):::iri v1 --"wdt:P131"--> c2 v1 --"wdt:P131"--> a1 a1 --"wdt:P17"--> c4 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v1 -."wdt:P18".-> v2 end