?url_ver=Z39.88-2004&rft_id=10.1109%2FICIET60671.2024.10542760&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Jin&rft.au=Jin%2C+Chengyu&rft.aufirst=Chengyu&rft.date=2024&rft.title=A+Proposal+of+Sentiment+Analysis+Approach+for+Comments+Based+on+Semi-supervised+Learning+and+Topic+Analysis&rft.isbn=979-835037177-2&rft.genre=proceeding