query: #title: Not an author
  # Complex constraint from [[Property talk:P2533]]
  # People with [[Property:P106|occupation&#32;<small dir="ltr">(P106)</small>]] but without a [[d:Q482980|author <small>(Q482980)</small>]] profession
  SELECT DISTINCT ?item WHERE { 
    ?item wdt:P2533 [] . 
    ?item wdt:P106 [] . 
    ?item wdt:P31 wd:Q5 . 
    MINUS {?item wdt:P106/wdt:P279* wd:Q482980} .
    MINUS {?item wdt:P106/wdt:P279* wd:Q901} .
  } LIMIT 1000