query: #title: Items who don't have location
  # Complex constraint from [[Property talk:P1435]]
  # Items who don't have [[Property:P131|located in the administrative territorial entity&#32;<small dir="ltr">(P131)</small>]] or [[Property:P276|location&#32;<small dir="ltr">(P276)</small>]]
  SELECT ?item WHERE { ?item wdt:P1435 ?value . FILTER NOT EXISTS { ?item wdt:P131 [] } . FILTER NOT EXISTS { ?item wdt:P276 [] } . }
  LIMIT 3000