Finding the Storyteller: Automatic Spoiler Tagging using Linguistic Cues https://www.aclweb.org/anthology/C10-1047 LDA 参考 https://qiita.com/nyancook/items/2a6c65ea3d9cb725168f https://openbook4.me/projects/193/sections/1153 https://spjai.com/topic-model/ Bag of words 参考 https://www.pytry3g.com/entry/2018/03/21/181514 トピックモデル 参考 https://qiita.com/GushiSnow/items/8156d440540b0a11dfe6 LPU 参考 https://www.slideshare.net/tomoya-sakai/20170918-sakai