Lu, H.-M.H.-M.LuTsai, F.-T.F.-T.TsaiChen, H.H.ChenHung, M.-W.M.-W.HungSHU-HSING LIHSIN-MIN LUMAO-WEI HUNG2020-02-152020-02-152012https://scholars.lib.ntu.edu.tw/handle/123456789/459293Credit rating change modeling using news and financial ratiosjournal article10.1145/2361256.23612592-s2.0-84869386443https://www.scopus.com/inward/record.uri?eid=2-s2.0-84869386443&doi=10.1145%2f2361256.2361259&partnerID=40&md5=626612a6f8ee6483b977cdb114ade91b