# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/gnnucfq
爲什麼 RAG 一定需要 Rerank?**
今天和大家講一下檢索增強生成(RAG)裏面的 Rerank。RAG 給人帶來無限期待,尤其是在結合了 LLM 之後,大家都想着:這下終於能搞定那些複雜的問答任務了吧!但現實往往是骨感的。很多人開發完一個 RAG 流程後都會疑惑:爲什麼它的效果沒有達到預期呢?其實,和大多數工具一樣,RAG 用起來簡單,但想要精通卻很難。事實上,RAG 不只是把文檔存入向量數據庫,然後在上面添加一個 LLM 那麼簡單 ⌘ Read more