R squared Adapter: A Routing and Rewriting Adapter for Efficient Hybrid RAG

arXiv:2609.02894 · cs.CL, cs.IR · Submitted 2026-07-01 · Read on arXiv

cs.CL, cs.IR

Submitted: 2026-07-01

Updated: 2026-07-01

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• RAG — 10× in this paper · explained in 3 episodes
• Multi-hop Reasoning — 2× in this paper · explained in 3 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes
• Large Language Models (LLMs) — 1× in this paper · explained in 6 episodes
• Model-Agnostic — 1× in this paper · explained in 2 episodes
• Retrieval-Augmented Generation — 1× in this paper
• Retrieval-Augmented Generation (RAG) — 1× in this paper · explained in 16 episodes

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