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    <title>RAG 还必要吗：从 130 条技术评论里提炼出的选型决策框架</title>
    <link>https://joker1point.github.io/techlog/blog/rag-vs-agent-retrieval-decision-framework</link>
    <description>围绕「向量 RAG vs LLM Wiki + grep / Agent 自主检索」的四派立场梳理（谨慎派、混合派、场景决定论派、演进视角派）、四个辩论冲突点，以及一组可直接落地的决策框架：按更新频率、查询频率、数据规模、领域特性决定上不上 RAG。</description>
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