We deleted fifty years of information retrieval and called it RAG
中文摘要
RAG将信息检索领域的分块、嵌入等既有技术重新命名。它并非创新，只是对半世纪IR概念的新包装。
English Summary
RAG rebrands decades-old information retrieval techniques like chunking, embeddings, and reranking. It's not new, just a renaming of existing IR concepts.
原文节选
Chunking, embeddings, hybrid search, reranking, eval. Every one already had a name in information retrieval. We didn’t lose it, we just… Continue reading on Generative AI »