https://www.hansking.cn/blog A posts created with Next.js and Tailwind.css en-us admin@hansking.cn (HANS) admin@hansking.cn (HANS) Sun, 01 Sep 2024 10:00:00 GMT https://www.hansking.cn/blog/2026/RAG-jin-jie-HybridSearch-yu-Reranker https://www.hansking.cn/blog/2026/RAG-jin-jie-HybridSearch-yu-Reranker [{"value":"RAG 进阶：Hybrid Search 与 Reranker","url":"#rag-进阶hybrid-search-与-reranker","depth":1},{"value":"一、关键词检索和向量检索看的是不同东西","url":"#一关键词检索和向量检索看的是不同东西","depth":2},{"value":"二、Hybrid Search 的基本流程","url":"#二hybrid-search-的基本流程","depth":2},{"value":"三、分数融合的三种思路","url":"#三分数融合的三种思路","depth":2},{"value":"1. 加权分数","url":"#1-加权分数","depth":3},{"value":"2. Reciprocal Rank Fusion","url":"#2-reciprocal-rank-fusion","depth":3},{"value":"3. 学习排序","url":"#3-学习排序","depth":3},{"value":"四、Reranker 为什么还能再排一次","url":"#四reranker-为什么还能再排一次","depth":2},{"value":"五、候选数量和最终 K 怎么选","url":"#五候选数量和最终-k-怎么选","depth":2},{"value":"六、查询改写和混合检索要配合","url":"#六查询改写和混合检索要配合","depth":2},{"value":"七、过滤要在检索层，不要交给 Reranker","url":"#七过滤要在检索层不要交给-reranker","depth":2},{"value":"八、离线评测要拆开看","url":"#八离线评测要拆开看","depth":2},{"value":"九、延迟预算决定是否值得使用 Reranker","url":"#九延迟预算决定是否值得使用-reranker","depth":2},{"value":"十、什么时候 Hybrid Search 仍然不够","url":"#十什么时候-hybrid-search-仍然不够","depth":2},{"value":"十一、我的总结：先扩大机会，再集中判断","url":"#十一我的总结先扩大机会再集中判断","depth":2}] Sun, 01 Sep 2024 10:00:00 GMT admin@hansking.cn (HANS) AILLMRAGHybrid SearchReranker