query-f6abb72cc28b5746524f287d76982dd3

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX schema: <http://schema.org/>
SELECT ?url ?family (SAMPLE(?article) as ?article) (SAMPLE(?item) as ?item) 
WHERE
{

{
  SELECT DISTINCT ?url ?family
  { ?url wikibase:wikiGroup ?family 
    FILTER NOT EXISTS { [] wdt:P856 ?url  ; wdt:P1800 [] }
  }
}  OPTIONAL { ?article schema:about ?item ; schema:isPartOf ?url }   
}
GROUP BY ?url ?family

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v5("?article"):::projected v2("?family"):::projected v5("?item"):::projected v1("?url"):::projected a1((" ")) a2((" ")) f0[["not "]] subgraph f0e0["Exists Clause"] e0a1 --"wdt:P856"--> e0v1 e0a1 --"wdt:P1800"--> e0a2 e0v1("?url"):::projected e0a1((" ")):::projected e0a2((" ")):::projected end f0--EXISTS--> f0e0 f0 --> a1 f0 --> c1 f0 --> v1 f0 --> c2 f0 --> a2 a1 --"wdt:P856"--> v1 a1 --"wdt:P1800"--> a2 v1 --"wikibase:wikiGroup"--> v2 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v5 -."schema:about".-> v5 v5 --"schema:isPartOf"--> v1 end bind3[/"sample(?article)"/] v5 --o bind3 bind3 --as--o v5 bind4[/"sample(?item)"/] v5 --o bind4 bind4 --as--o v5