query-7184f09700e54108b702841be8e1024c

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX psn: <http://www.wikidata.org/prop/statement/value-normalized/>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT ?item ?itemLabel ?light_years_from_earth ?parallax
WHERE
{

{
  SELECT ?item (SAMPLE(?dist_to_earth * 0.000000000000000105700083402461546370946) AS ?light_years_from_earth)
               (SAMPLE(?parallax_) AS ?parallax)
  WHERE
  {
    {
      # Get items between 1 and 30 lights years away
      ?P2583_statement psn:P2583 ?nvalue .
      ?nvalue wikibase:quantityAmount ?dist_to_earth .

      FILTER (?dist_to_earth > 9460730472580800.0 && ?dist_to_earth <= 283821914177424000.0) # Distance is 1 to 30 light years
      ?P2583_statement a wikibase:BestRank. # Do only use best rank values
      ?item p:P2583 ?P2583_statement .
      OPTIONAL { ?item wdt:P2214 ?parallax_ . }
    }
    UNION
    {
      # Get items with a parallax greater than 100 milli arch seconds
      ?item wdt:P2214 ?parallax_.
      # The paralax unit is always milli arch second (See [[Wikidata:Database reports/Constraint violations/P2214#Units statistics]])

      FILTER (?parallax_ > 100.0)
      OPTIONAL { ?item p:P2583/psn:P2583/wikibase:quantityAmount ?dist_to_earth .  }
    }
    ?item wdt:P31/wdt:P279* wd:Q523 . # Check that ?item is a star (remember to include subclasses of star!)

  }
  GROUP BY ?item
}  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en" . }
}

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v2("?P2583_statement") v1("?dist_to_earth") v4("?item"):::projected v6("?light_years_from_earth"):::projected v3("?nvalue") v7("?parallax"):::projected v5("?parallax_") a1((" ")) a2((" ")) a3((" ")) c6(["wikibase:BestRank"]):::iri c12(["wd:Q523"]):::iri c15(["bd:serviceParam"]):::iri c17(["#91;AUTO_LANGUAGE#93;,en"]):::literal subgraph union0[" Union "] subgraph union0l[" "] style union0l fill:#abf,stroke-dasharray: 3 3; f0[["?parallax_ > '100.0^^xsd:decimal'"]] f0 --> v5 v4 --"p:direct/P2214"--> v5 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v4 -."p:P2583".-> a1 a1 --"p:statement/value-normalized/P2583"--> a2 a2 --"wikibase:quantityAmount"--> v1 end end subgraph union0r[" "] style union0r fill:#abf,stroke-dasharray: 3 3; f1[["?dist_to_earth > '9460730472580800.0^^xsd:decimal'?dist_to_earth <= '283821914177424000.0^^xsd:decimal'"]] f1 --> v1 v2 --"p:statement/value-normalized/P2583"--> v3 v3 --"wikibase:quantityAmount"--> v1 v2 --"a"--> c6 v4 --"p:P2583"--> v2 subgraph optional1["(optional)"] style optional1 fill:#bbf,stroke-dasharray: 5 5; v4 -."p:direct/P2214".-> v5 end end union0r <== or ==> union0l end v4 --"p:direct/P31"--> a3 a3 --"p:direct/P279"--> c12 bind4[/"sample(?dist_to_earth * '0.000000000000000105700083402461546370946^^xsd:decimal')"/] v1 --o bind4 bind4 --as--o v6 bind5[/"sample(?parallax_)"/] v5 --o bind5 bind5 --as--o v7 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c15 --"wikibase:language"--> c17 end