query-115f5c8b3583c1c8999762ee3c4cac22

PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX bd: <http://www.bigdata.com/rdf#>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX v: <http://www.wikidata.org/prop/statement/>
PREFIX pq: <http://www.wikidata.org/prop/qualifier/>

SELECT ?partyLabel ?ordinal ?chairLabel ?start ?end ((?end-?start) AS ?days) WHERE {
  VALUES ?party {wd:Q49762 wd:Q49768 wd:Q49763 wd:Q49766 wd:Q6721203}
  ?party p:P488 ?chairStatement .
  ?chairStatement v:P488 ?chair .
  OPTIONAL{?chairStatement pq:P1545 ?ordinal}
  OPTIONAL{?chairStatement pq:P580 ?start}
  OPTIONAL{?chairStatement pq:P582 ?end}
  SERVICE wikibase:label{bd:serviceParam wikibase:language "de"}
}
ORDER BY ?partyLabel ASC(xsd:integer(?ordinal)) ?start

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v6("?chair") v5("?chairStatement") v8("?days") v7("?end"):::projected v2("?ordinal"):::projected v4("?party") v1("?partyLabel"):::projected v3("?start"):::projected c9(["de"]):::literal c7(["bd:serviceParam"]):::iri bind0[/VALUES ?party/] bind0-->v4 bind00(["wd:Q49762"]) bind00 --> bind0 bind01(["wd:Q49768"]) bind01 --> bind0 bind02(["wd:Q49763"]) bind02 --> bind0 bind03(["wd:Q49766"]) bind03 --> bind0 bind04(["wd:Q6721203"]) bind04 --> bind0 v4 --"p:P488"--> v5 v5 --"p:statement/P488"--> v6 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v5 -."p:qualifier/P1545".-> v2 end subgraph optional1["(optional)"] style optional1 fill:#bbf,stroke-dasharray: 5 5; v5 -."p:qualifier/P580".-> v3 end subgraph optional2["(optional)"] style optional2 fill:#bbf,stroke-dasharray: 5 5; v5 -."p:qualifier/P582".-> v7 end subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c7 --"wikibase:language"--> c9 end bind1[/"?end - ?start"/] v7 --o bind1 v3 --o bind1 bind1 --as--o v8