query-dfd3cc48456b4c303fd435c84b2749fb
Combine two queries to match paintings with paintersI have two collections of paintings that don't include the full name of the painter. This gives the paintings missing the creator:
Use at
- https://query.wikidata.org/sparql
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX schema: <http://schema.org/>
PREFIX p: <http://www.wikidata.org/prop/>
SELECT DISTINCT ?item ?description WHERE {
  ?item wdt:P31 wd:Q3305213 .
  { ?item wdt:P195 wd:Q18600731 } UNION { ?item wdt:P195 wd:Q28045665 } .
  MINUS { ?item p:P170 [] } .
  ?item schema:description ?description .
  FILTER(LANG(?description) = "en") 
  }
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
  v1("?description"):::projected 
  v2("?item"):::projected 
  a1((" "))
  c3(["wd:Q3305213"]):::iri 
  c5(["wd:Q18600731"]):::iri 
  c6(["wd:Q28045665"]):::iri 
  f0[["?description = 'en'"]]
  f0 --> v1
  v2 --"p:direct/P31"-->  c3
  subgraph union0[" Union "]
  subgraph union0l[" "]
    style union0l fill:#abf,stroke-dasharray: 3 3;
    v2 --"p:direct/P195"-->  c6
  end
  subgraph union0r[" "]
    style union0r fill:#abf,stroke-dasharray: 3 3;
    v2 --"p:direct/P195"-->  c5
  end
  union0r <== or ==> union0l
  end
  subgraph minus1["MINUS"]
    style minus1 stroke-width:6px,fill:pink,stroke:red;
    v2 --"p:P170"-->  a1
  end
  v2 --"schema:description"-->  v1