When More Documents Hurt RAG: Measuring and Reducing Vector Search Dilution with Domain-Scoped Retrieval

arXiv:2606.11350 · cs.CL, cs.IR · Submitted 2026-06-09 · Read on arXiv

cs.CL, cs.IR

Submitted: 2026-06-09

Updated: 2026-10-14

Terminology

• RAG — 3× in this paper · explained in 3 episodes
• Accuracy — 1× in this paper · explained in 1 episode

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