query: SELECT DISTINCT ?item 
  (CONCAT("[https://tools.wmflabs.org/author-disambiguator/?doit=Look+for+author&name=", ENCODE_FOR_URI(?namedAuthor), "&filter=wdt%3AP2093+%22", ENCODE_FOR_URI(?namedAuthor), "%22+%3B+wdt%3AP50+wd%3A", ?qid1, "+%3B+wdt%3AP50+wd%3A", ?qid2, "+%3B+wdt%3AP50+wd%3A", ?qid3, " Curate works with the author name string '''''", ?namedAuthor, "''''' and co-authors from this paper]") AS ?string_matcher_fine) 
  (CONCAT("[https://tools.wmflabs.org/author-disambiguator/?doit=Look+for+author&name=", ENCODE_FOR_URI(?namedAuthor), " More papers for '''''", ?namedAuthor, "''''' and similar strings]") AS ?string_matcher_rough) 
  WHERE {
    {
      SELECT 
        DISTINCT ?namedAuthor 
                 ?item 
                 (REPLACE(STR(?author1), ".*Q", "Q") AS ?qid1) 
                 (REPLACE(STR(?author2), ".*Q", "Q") AS ?qid2) 
                 (REPLACE(STR(?author3), ".*Q", "Q") AS ?qid3) 
      WHERE {
        ?paper1 wdt:P50 ?author1.
        ?paper1 wdt:P50 ?author2.
        FILTER(?author1 != ?author2)
        ?paper1 wdt:P50 ?author3.
        FILTER(?author1 != ?author3)
        FILTER(?author2 != ?author3)
        ?paper1 wdt:P2093 ?namedAuthor.
  
        ?paper2 wdt:P2093 ?namedAuthor.
        FILTER(?paper1 != ?paper2)
        ?paper2 wdt:P50 ?author1.
        ?paper2 wdt:P50 ?author2.
        ?paper2 wdt:P50 ?author3.
  
        ?item wdt:P2093 ?namedAuthor.
        FILTER(?paper1 != ?item)
        FILTER(?paper2 != ?item)
        ?item wdt:P50 ?author1.
        ?item wdt:P50 ?author2.
        ?item wdt:P50 ?author3.
      }
      LIMIT 2000
    } 
  }
  LIMIT 200