query: #Find Paul Erdős co-authors
  #defaultView:Graph
  SELECT ?item ?itemLabel ("7FFF00" as ?rgb) ?article (" " as ?articleLabel) WHERE{
    ?article wdt:P31 wd:Q13442814;
             wdt:P50 wd:Q173746, ?item.
    #FILTER(?item != wd:Q173746)
    ?article wdt:P2093 ?itemname
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en" } }