query-c4170475e594278cc66ff8f1bdb20d9c

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
SELECT ?item WHERE {
    ?item wdt:P21 wd:Q6581072 .
        { ?item wdt:P69 wd:Q1247589 }
        union
        { ?item wdt:P108 wd:Q1247589 }
    OPTIONAL {
    ?wiki0 <http://schema.org/about> ?item .
    FILTER(SUBSTR(STR(?wiki0),1,24) = 'https://en.wikipedia.org') .
    }
  FILTER(!bound(?wiki0))
}

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v2("?item"):::projected v1("?wiki0") c7(["wd:Q1247589"]):::iri c5(["wd:Q6581072"]):::iri f0[["not bound(?wiki0)"]] f0 --> v1 v2 --"wdt:P21"--> c5 subgraph union0[" Union "] subgraph union0l[" "] style union0l fill:#abf,stroke-dasharray: 3 3; v2 --"wdt:P108"--> c7 end subgraph union0r[" "] style union0r fill:#abf,stroke-dasharray: 3 3; v2 --"wdt:P69"--> c7 end union0r <== or ==> union0l end subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v1 -.http://schema.org/about.-> v2 end