query-c72c3458b2c185ff5663ab1ca4f7770f

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
SELECT ?description ?count WHERE {
  {
     {
  SELECT (COUNT(*) AS ?count) WHERE { [] wdt:P356 []. }
}    BIND("Items with a DOI" AS ?description)
  }
  UNION
  {
     {
  SELECT (COUNT(*) AS ?count) WHERE { [] wdt:P4109 []. }
}    BIND("Items with an URN" AS ?description)
  }
}

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v3("?count"):::projected v3("?description"):::projected a1((" ")) a2((" ")) a3((" ")) a4((" ")) subgraph union0[" Union "] subgraph union0l[" "] style union0l fill:#abf,stroke-dasharray: 3 3; a3 --"wdt:P4109"--> a4 bind1[/"count(*)"/] bind1 --as--o v3 bind2[/"'Items with an URN'"/] bind2 --as--o v3 end subgraph union0r[" "] style union0r fill:#abf,stroke-dasharray: 3 3; a1 --"wdt:P356"--> a2 bind4[/"count(*)"/] bind4 --as--o v3 bind5[/"'Items with a DOI'"/] bind5 --as--o v3 end union0r <== or ==> union0l end