query-e4c00545cc174bf5ceceea33786ac68f

rq turtle/ttl

: Sure. You already selected the variable ?layer, so I just added 3 different bindings for it: Epìdosis@

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#>
#Biblioteche, musei e chiese a Roma
#defaultView:Map{"hide":["?coordinate"], "layer": "?typeLabel"}
SELECT DISTINCT 
  ?luogo ?luogoLabel ?luogoDescription 
  ?coordinate ?typeLabel ?img
WHERE 
{
  VALUES ?type { wd:Q7075 wd:Q33506 wd:Q16970 } # biblioteca, museo e chiesa
  ?luogo wdt:P131/wdt:P131* wd:Q220 .
  ?luogo wdt:P31/wdt:P279* ?type.
  OPTIONAL { ?luogo wdt:P625 ?coordinate . }
  OPTIONAL { ?luogo wdt:P18 ?img }
  SERVICE wikibase:label { bd:serviceParam wikibase:language "it,en". }
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v3("?coordinate"):::projected v4("?img"):::projected v2("?luogo"):::projected v1("?type") a1((" ")) a2((" ")) c8(["bd:serviceParam"]):::iri c10(["it,en"]):::literal c2(["wd:Q220"]):::iri bind0[/VALUES ?type/] bind0-->v1 bind00(["wd:Q7075"]) bind00 --> bind0 bind01(["wd:Q33506"]) bind01 --> bind0 bind02(["wd:Q16970"]) bind02 --> bind0 v2 --"wdt:P131"--> a1 a1 --"wdt:P131"--> c2 v2 --"wdt:P31"--> a2 a2 --"wdt:P279"--> v1 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v2 -."wdt:P625".-> v3 end subgraph optional1["(optional)"] style optional1 fill:#bbf,stroke-dasharray: 5 5; v2 -."wdt:P18".-> v4 end subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c8 --"wikibase:language"--> c10 end