query-08632ac02a73c3e44cbf79baaed11678

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX bd: <http://www.bigdata.com/rdf#>
PREFIX bio: <http://purl.org/vocab/bio/0.1/>
PREFIX blt: <http://www.bl.uk/schemas/bibliographic/blterms#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>

SELECT DISTINCT ?item ?itemLabel ?event ?author ?ID 
WHERE
{
  OPTIONAL
  {
    SERVICE <http://bnb.data.bl.uk/sparql>
    {
      ?event a bio:Birth; 
        bio:date "1945"^^<http://www.w3.org/2001/XMLSchema#gYear>.
      ?author bio:event ?event;
        foaf:name ?name.                    # ?name is not used
    }
    BIND(STRAFTER(STR(?author),"person/") AS ?ID1)
  }
  ?item wdt:P5361 ?ID1.
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v4("?ID1") v2("?author"):::projected v1("?event"):::projected v5("?item"):::projected v3("?name") c10(["bd:serviceParam"]):::iri c12(["en"]):::literal c5(["1945^^xsd:gYear"]):::literal c3([http://purl.org/vocab/bio/0.1/Birth]):::iri subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; subgraph s1["http://bnb.data.bl.uk/sparql"] style s1 stroke-width:4px; v1 -."a".-> c3 v1 --http://purl.org/vocab/bio/0.1/date--> c5 v2 --http://purl.org/vocab/bio/0.1/event--> v1 v2 --http://xmlns.com/foaf/0.1/name--> v3 end bind0[/"substring-after(str(?author),'person/')"/] v2 --o bind0 bind0 --as--o v4 end v5 --"wdt:P5361"--> v4 subgraph s2["http://wikiba.se/ontology#label"] style s2 stroke-width:4px; c10 --"wikibase:language"--> c12 end