query: #title: Items with location not linked to Art UK venue ID
  # Complex constraint from [[Property talk:P1679]]
  # Items that have [[Property:P276|location&#32;<small dir="ltr">(P276)</small>]], but that item doesn't have a [[Property:P1602|Art UK venue ID&#32;<small dir="ltr">(P1602)</small>]] statement. Missing link can probably be added
  SELECT DISTINCT ?item ?location {
  	?item wdt:P1679 ?value .
      ?item wdt:P276 ?location .
      MINUS { ?location wdt:P1602 [] } 
  } LIMIT 500