query-ffef061da599396ad13bdbe6185724fa

PREFIX gas: <http://www.bigdata.com/rdf/gas#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT ?item ?itemLabel ?calculated_Erdős_number ?stored_Erdős_number
WHERE
{

{
  SELECT ?item ?depth
  WHERE
  {
    SERVICE gas:service
    {
     gas:program gas:gasClass "com.bigdata.rdf.graph.analytics.SSSP" .
     gas:program gas:in wd:Q173746 .
     gas:program gas:out ?item .
     gas:program gas:out1 ?depth .
     gas:program gas:linkType wdt:P50 .
     gas:program gas:traversalDirection "Undirected" .
     gas:program gas:maxIterations 6 .
    }
    FILTER (FLOOR(?depth / 2) * 2 = ?depth) # Use only even depths. The odd numbers are the written papers
  }
}  BIND (xsd:integer(?depth/2) AS ?calculated_Erdős_number)
  OPTIONAL { ?item wdt:P2021 ?stored_Erdős_number . }
  SERVICE wikibase:label {bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en" }              
} 
ORDER BY ?calculated_Erdős_number

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v4("?calculated_Erdős_number"):::projected v2("?depth") v3("?item"):::projected v4("?stored_Erdős_number"):::projected c3(["gas:program"]):::iri c5(["com.bigdata.rdf.graph.analytics.SSSP"]):::literal c11(["wdt:P50"]):::iri c18(["bd:serviceParam"]):::iri c13(["Undirected"]):::literal c15(["6^^xsd:integer"]):::literal c7(["wd:Q173746"]):::iri c20(["#91;AUTO_LANGUAGE#93;,en"]):::literal f0[["numeric-floor(?depth / '2^^xsd:integer') * '2^^xsd:integer' = ?depth"]] f0 --> v2 subgraph s1["http://www.bigdata.com/rdf/gas#service"] style s1 stroke-width:4px; c3 --"gas:gasClass"--> c5 c3 --"gas:in"--> c7 c3 --"gas:out"--> v3 c3 --"gas:out1"--> v2 c3 --"gas:linkType"--> c11 c3 --"gas:traversalDirection"--> c13 c3 --"gas:maxIterations"--> c15 end bind1[/"http://www.w3.org/2001/XMLSchema#integer(?depth / '2^^xsd:integer')"/] v2 --o bind1 bind1 --as--o v4 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v3 -."wdt:P2021".-> v4 end subgraph s2["http://wikiba.se/ontology#label"] style s2 stroke-width:4px; c18 --"wikibase:language"--> c20 end