Cited by 216Topic ModelingInformation Retrieval and Search BehaviorNatural Language Processing Techniques

REPLUG: Retrieval-Augmented Black-Box Language Models

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Shi, Weijia, Min, Sewon, Yasunaga, Michihiro, Seo, Minjoon, James, Richard, Lewis, Mike, Zettlemoyer, Luke, Yih, Wen-tau·2024·Proceedings of the 2024 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (Volume 1: Long Papers)

Abstract

Weijia Shi, Sewon Min, Michihiro Yasunaga, Minjoon Seo, Richard James, Mike Lewis, Luke Zettlemoyer, Wen-tau Yih. Proceedings of the 2024 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (Volume 1: Long Papers). 2024.

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Crossref · 10.18653/v1/2024.naacl-long.463

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  • Most RAG systems retrieve unstructured text chunks and rely on one-shot prompting, which frequently leads to redundant context, low information density, and brittle multi-hop reasoning.

    “However, most RAG systems still retrieve unstructured chunks and rely on one-shot generation, which often yields redundant context, low information density, and brittle multi-hop reasoning.”

    From TaSR-RAG: Taxonomy-guided Structured Reasoning for Retrieval-Augmented Generation (2026) · cites this paper as [19]

    The Introduction and §3.1 describe retrieval-augmented models retrieving documents to inform a prediction, supporting the document-retrieval part of the claim. Section 3.2 discusses a simple scheme that prepends retrieved documents to the input, but does not say most RAG systems use one-shot generation. The paper does not attribute redundant context, low information density, or brittle multi-hop reasoning to that approach; §9 instead warns that unnecessary retrieval can introduce distracting, irrelevant documents. Page numbers were not available in our copy. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • REPLUG reduces the computational burden of finetuning large models by minimizing the KL divergence between retrieval likelihood and the model's output perplexity.

    “This reduces the computational burden of finetuning large models (e.g., 405B parameters) by minimizing the KL divergence between retrieval likelihood and the model's output perplexity.”

    From The AI Hippocampus: How Far are We From Human Memory? (2026) · cites this paper as Shi et al., 2024

    The Introduction says REPLUG can enhance a frozen black-box LM without finetuning it. Sections 4 and 4.3 say REPLUG LSR minimizes KL divergence between retrieval likelihood and an LM score distribution related to perplexity—not perplexity itself. The paper does not establish a reduction in computational burden or discuss a 405B-parameter model. (LLM, conf=0.88)

    Experimental — accuracy not yet measured

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Cited by

Sorted by citations

Authors
Shi, W., Min, S., Yasunaga, M., Seo, M., James, R., Lewis, M., Zettlemoyer, L., & Yih, W.-T.
Affiliations
  • University of Washington (US)
  • Stanford University (US)
  • Korea Advanced Institute of Science and Technology (KR)
Venue
Proceedings of the 2024 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (Volume 1: Long Papers)
Published
2024
Pages
8371-8384
OpenAlex
W4401042773
Cited by
209
References
0
Citations by year
2026: 79 · 2025: 96 · 2024: 32 · 2023: 2
FWCI
59.77
Type
conference paper
Language
en
Open access
Licence
cc-by
Locations
Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (NAACL-HLT) (publishedVersion, cc-by)
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Topic Modeling
  • Physical Sciences › Computer Science › Information Systems › Information Retrieval and Search Behavior
  • Physical Sciences › Computer Science › Artificial Intelligence › Natural Language Processing Techniques
Keywords
retrieval-augmented generation, large language models

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