query-c57c19658ece34b877f4ac13dbec3e45

rq turtle/ttl

Number of generations 13:03, 13 July 2021 (UTC)) talk (Simon Villeneuve chain) ? (P40)child How can we get the items having the longuest lineage (Hi, has a report for that yet, but it might not be possible.Wikidata:WikiProject_GenealogyI don't think 14:11, 13 July 2021 (UTC) Jura and counting number of generations. --- Wikidata:WikiProject_Genealogy/numbers/descendantsMaybe you can find it be picking one of the persons (or their parents) on

Use at

PREFIX gas: <http://www.bigdata.com/rdf/gas#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
SELECT (MAX(?depth) as ?max_generations) (SAMPLE(?item) as ?descendant)
WHERE
{
  SERVICE gas:service {
    gas:program gas:gasClass "com.bigdata.rdf.graph.analytics.SSSP" ;
                gas:in wd:Q3044 ;
                gas:traversalDirection "Forward" ;
                gas:out ?item ;
                gas:out1 ?depth ;
                gas:maxIterations 100 ;
                gas:linkType wdt:P40 .
  }
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v2("?depth"):::projected v4("?descendant") v1("?item"):::projected v3("?max_generations") c2(["gas:program"]):::iri c4(["com.bigdata.rdf.graph.analytics.SSSP"]):::literal c14(["wdt:P40"]):::iri c12(["100^^xsd:integer"]):::literal c8(["Forward"]):::literal c6(["wd:Q3044"]):::iri subgraph s1["http://www.bigdata.com/rdf/gas#service"] style s1 stroke-width:4px; c2 --"gas:gasClass"--> c4 c2 --"gas:in"--> c6 c2 --"gas:traversalDirection"--> c8 c2 --"gas:out"--> v1 c2 --"gas:out1"--> v2 c2 --"gas:maxIterations"--> c12 c2 --"gas:linkType"--> c14 end bind2[/"max(?depth)"/] v2 --o bind2 bind2 --as--o v3 bind3[/"sample(?item)"/] v1 --o bind3 bind3 --as--o v4