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。

这篇文章把 Streamlit 最常用的三块内容串了一遍：多页面怎么组织、数据库怎么连、文件怎么处理。 streamlit 这几年在数据科学圈子里火得很快。不用学前端，不用折腾路由，纯 Python 就能把数据分析脚本变成像模像样的 Web 应用。但真要拿它做点正事 —— 比如搭 ...

Burmese pythons are an invasive species in Florida, primarily established in the Everglades and South Florida. These snakes have drastically reduced native mammal populations, including raccoons, ...

Google Maps Just Got a Major AI Upgrade. Here's How 'Ask Maps' Will Work Gemini rolls out in Google Maps, allowing you to talk to the app like you would a chatbot. Immersive Navigation, meanwhile, ...

AI features and a brand new way to view Google Maps are currently rolling out in the app for its biggest upgrade in a decade. Credit: Google Maps Google Maps just got a major upgrade. A really major ...

In recent weeks, Google has been busy adding AI features to all of its most popular apps. Following Gmail and Chrome, Maps is now the latest service to get a Gemini makeover, with a redesign of the ...

Navigation apps have become an essential part of modern life. Whether you are commuting to work, running errands or exploring a new city, relying on accurate directions and real-time traffic updates ...

I’ve been covering Android since 2023, when I joined Android Police, mostly focusing on AI and everything around Pixel and Galaxy phones. I’ve got a bachelor’s in IT with a major in AI, so I naturally ...

Instagram's new feature that shows users' current locations is prompting some users to worry if their location will suddenly be shared on the platform. Meta announced the rollout of several new ...