<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>上下文 on Symbol's Notes</title><link>https://hongsymbol.online/tags/%E4%B8%8A%E4%B8%8B%E6%96%87/</link><description>Recent content in 上下文 on Symbol's Notes</description><generator>Hugo</generator><language>zh-cn</language><lastBuildDate>Mon, 11 May 2026 19:30:00 +0800</lastBuildDate><atom:link href="https://hongsymbol.online/tags/%E4%B8%8A%E4%B8%8B%E6%96%87/index.xml" rel="self" type="application/rss+xml"/><item><title>假如 LLM 无限上下文了，RAG 还有意义吗？</title><link>https://hongsymbol.online/posts/rag-vs-infinite-context/</link><pubDate>Mon, 11 May 2026 19:30:00 +0800</pubDate><guid>https://hongsymbol.online/posts/rag-vs-infinite-context/</guid><description>上下文窗口从 4K 飙到 200 万 token，很多人觉得 RAG 要凉了。但这个判断错在三个层面。RAG 不会消亡，而是在进化——从 Naive RAG 到 Agentic RAG，解析 5 个 RAG 依然不可替代的理由。</description></item></channel></rss>