query: SELECT ?item ?wiki_sitelink ?sitelink_label ?label WHERE{
    ?wiki_sitelink schema:about ?item; schema:isPartOf <https://ko.wikipedia.org/>; schema:name ?sitelink_label .
    ?item rdfs:label ?label .
    FILTER(LANG(?label) = 'ko') .
    FILTER(false = (LCASE(?sitelink_label) = LCASE(?label)) ) .
    FILTER(false=CONTAINS(?sitelink_label,")"))
    ?item wdt:P31 wd:Q4167836 .
  } 