We've examined sports betting apps such as DraftKings, FanDuel, and bet365, so you can decide which is the best sports betting app to use for events today, including the Round of 16 World Cup matches.

本文将构建一个混合RAG系统，并行使用FAISS语义检索与BM25关键词检索，通过互惠排名融合（RRF）合并结果，以兼顾理解力与精确度。借助LangGraph编排流程、Streamlit实现可视化界面，支持切换检索模式并透明展示检索块与得分，有效解决单一检索器的失效问题。