query-3b3e0223abf018a6b2d7b01ce4f09119

PREFIX mwapi: <http://wikiba.se/ontology#>
PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT ?item ?itemLabel_en ?name ?itemLabel_it
{

  SERVICE wikibase:mwapi {
     bd:serviceParam wikibase:endpoint "it.wikipedia.org";
                     wikibase:api "Generator";
                     mwapi:generator "categorymembers";
                     mwapi:gcmtitle "Categoria:Politici italiani del XXI secolo" ;         
                     mwapi:gcmprop "ids|title|type";
                     mwapi:gcmlimit "max".
     # out
     ?name wikibase:apiOutput mwapi:title.        # en-wikipedia article / category name
     ?item wikibase:apiOutputItem mwapi:item.            # wikidata QId for the person's item
    }
  FILTER BOUND (?item)
  FILTER NOT EXISTS { ?item rdfs:label ?itemLabel_it . filter(lang(?itemLabel_it)="it") }
  OPTIONAL { ?item rdfs:label ?itemLabel_en . filter(lang(?itemLabel_en)="en") }
  FILTER (str(?itemLabel_en) != ?name)
}

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v4("?item"):::projected v1("?itemLabel_en"):::projected v3("?itemLabel_it"):::projected v2("?name"):::projected c21(["mwapi:item"]):::iri c17(["max"]):::literal c13(["Categoria:Politici italiani del XXI secolo"]):::literal c7(["it.wikipedia.org"]):::literal c11(["categorymembers"]):::literal c5(["bd:serviceParam"]):::iri c19(["mwapi:title"]):::iri c15(["ids|title|type"]):::literal c9(["Generator"]):::literal f0[["str(?itemLabel_en) != ?name"]] f0 --> v1 f0 --> v2 f1[["not "]] subgraph f1e0["Exists Clause"] e0f0[["?itemLabel_it = 'it'"]] e0f0 --> e0v1 e0v2 --"rdfs:label"--> e0v1 e0v2("?item"):::projected e0v1("?itemLabel_it"):::projected end f1--EXISTS--> f1e0 f1 --> v3 f1 --> v4 f1 --> c2 f2[["?itemLabel_it = 'it'"]] f2 --> v3 v4 --"rdfs:label"--> v3 f3[["bound(?item)"]] f3 --> v4 subgraph s1["http://wikiba.se/ontology#mwapi"] style s1 stroke-width:4px; c5 --"mwapi:endpoint"--> c7 c5 --"mwapi:api"--> c9 c5 --"mwapi:generator"--> c11 c5 --"mwapi:gcmtitle"--> c13 c5 --"mwapi:gcmprop"--> c15 c5 --"mwapi:gcmlimit"--> c17 v2 --"mwapi:apiOutput"--> c19 v4 --"mwapi:apiOutputItem"--> c21 end subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v4 -."rdfs:label".-> v1 end