query: SELECT ?authorLabel 
  WITH {
   SELECT (COUNT(?citing_work) AS ?count) ?author WHERE {
   ?work wdt:P50 ?author .
   ?author wdt:P21 wd:Q6581072 .
   ?citing_work wdt:P2860 ?work
   }
   GROUP BY ?author 
   ORDER BY DESC(?count)
   # LIMIT 100
  } AS %result
  WHERE {
   INCLUDE %result
   SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  }
  ORDER BY DESC(?count)
   