作者位次 #4/6ACL 2026Findings· Findings of ACL
Masking or Mitigating? Deconstructing the Impact of Query Rewriting on Retriever Biases in RAG
Agam Goyal · Koyel Mukherjee · Apoorv Saxena · Anirudh Phukan · Eshwar Chandrasekharan · Hari Sundaram
摘要
Dense retrievers in retrieval-augmented generation (RAG) systems exhibit systematic biases—including brevity, position, literal matching, and repetition biases—that can compromise retrieval quality. Query rewriting techniques are now standard in RAG pipelines, yet their impact on these biases rem...