query: SELECT ?item ?itemLabel ?edit16ID ?SHARECatID
  WHERE
  {
    ?item wdt:P5492 ?edit16ID. 
    OPTIONAL {?item wdt:P3987 ?SHARECatID. }
    FILTER(!bound(?SHARECatID))
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
    }
  ORDER BY ?itemLabel