[自然語言處理](https://app.notion.com/p/3e6fc631b03081b4a9e8f91f3411f61f) › [W2（9/17）](https://app.notion.com/p/3e6fc631b03081a18b13fad72a8874fd) › 06｜影片 [1:48:46–2:07:15](https://www.youtube.com/watch?v=MnA5KUETSg4&t=6526s)｜投影片 W1_NLP_brief_v2 p.48–52｜上一章 [05 資訊檢索、索引與前處理（1:20–1:48）](https://app.notion.com/p/3e6fc631b0308148a521f4d07ae31526)｜下一章 [07 課堂提問與 BM25（2:16–2:29）](https://app.notion.com/p/3e6fc631b030819ca51ee21869f5c86d)