RAG 准确率停在 60% 时，先别换大模型：一条可验证的排障阶梯
一套把 RAG 低准确率拆成数据、切分、召回、排序、生成和评测六层的排障方法，并为每层定义可验证指标和停止条件。
Aiengineering
The AI Talent Paradox: Why Companies Can't Find AI Engineers (And Why They're Looking for the Wrong Thing)
Companies hiring AI engineers want PhD researchers, but what they actually need is practical engineers who can integrate APIs, build eval pipelines, and debug hallucinations in production.