query: SELECT DISTINCT ?item 
  WHERE { 
      ?statement prov:wasDerivedFrom/pr:P248 ?item .
      ?item wdt:P50 ?author ;
            wdt:P932 [] .
      ?author wdt:P21 wd:Q6581072 ;
              wdt:P496 ?orcid .
      [] wdt:P2860 ?item .
    FILTER NOT EXISTS { ?item wdt:P921 [] }
      
  }
  #GROUP BY ?item
  #HAVING (COUNT(DISTINCT ?statement) > 10)
  LIMIT 100