{"type": "article", "title": "R$^{2}$Adapter: A Routing and Rewriting Adapter for Efficient Hybrid RAG", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/r-2-adapter-a-routing-and-rewriting-adapter-for-efficient-hybrid-rag", "original_source": "https://arxiv.org/abs/2609.02894", "published": "2026-09-04T04:00:00+00:00", "accessed": "2026-09-04", "id": "r-2-adapter-a-routing-and-rewriting-adapter-for-efficient-hybrid-rag"}