query: #title: Items with creator not linked to Art UK artist ID
  # Complex constraint from [[Property talk:P1679]]
  # Items that have [[Property:P170|creator&#32;<small dir="ltr">(P170)</small>]], but that item doesn't have [[Property:P1367|Art UK artist ID&#32;<small dir="ltr">(P1367)</small>]]. Missing link can probably be added
  SELECT DISTINCT ?item ?creator {
  	?item wdt:P1679 ?value .
      ?item wdt:P170 ?creator .
      MINUS { ?creator wdt:P1367 [] } 
  } LIMIT 500