query-01d95fa476f6ec4012d68f00d429436a

PREFIX mwapi: <http://wikiba.se/ontology#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT ?item ?created (IF(xsd:dateTime(?created) <= "2015-01-01"^^xsd:date, "yes", "no") AS ?existed_before_given_date)
WHERE
{
  SERVICE wikibase:mwapi
  {
    bd:serviceParam wikibase:endpoint "www.wikidata.org".
    bd:serviceParam wikibase:api "Generator".
    bd:serviceParam wikibase:limit "1".
    bd:serviceParam mwapi:generator "revisions".
    bd:serviceParam mwapi:titles "Q1346018".
    bd:serviceParam mwapi:prop "revisions".
    bd:serviceParam mwapi:grvprop "timestamp".
    bd:serviceParam mwapi:grvdir "newer".
    bd:serviceParam mwapi:grvlimit "1".
    ?item wikibase:apiOutputItem mwapi:title.
    ?created wikibase:apiOutput "revisions/rev/@timestamp".
  }
}

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v2("?created"):::projected v3("?existed_before_given_date") v1("?item"):::projected c4(["www.wikidata.org"]):::literal c12(["Q1346018"]):::literal c17(["newer"]):::literal c8(["1"]):::literal c2(["bd:serviceParam"]):::iri c22(["revisions/rev/@timestamp"]):::literal c10(["revisions"]):::literal c20(["mwapi:title"]):::iri c6(["Generator"]):::literal c15(["timestamp"]):::literal subgraph s1["http://wikiba.se/ontology#mwapi"] style s1 stroke-width:4px; c2 --"mwapi:endpoint"--> c4 c2 --"mwapi:api"--> c6 c2 --"mwapi:limit"--> c8 c2 --"mwapi:generator"--> c10 c2 --"mwapi:titles"--> c12 c2 --"mwapi:prop"--> c10 c2 --"mwapi:grvprop"--> c15 c2 --"mwapi:grvdir"--> c17 c2 --"mwapi:grvlimit"--> c8 v1 --"mwapi:apiOutputItem"--> c20 v2 --"mwapi:apiOutput"--> c22 end bind0[/"if(http://www.w3.org/2001/XMLSchema#dateTime(?created) <= '2015-01-01^^xsd:date','yes','no')"/] v2 --o bind0 bind0 --as--o v3