Corrective Retrieval Augmented Generation

robustness
architectures
production
TL;DR: Corrective Retrieval Augmented Generation (CRAG) improves large language model (LLM) text generation accuracy.
Author

Shi-Qi Yan, Jia-Chen Gu, Yun Zhu, Zhen-Hua Ling

Published

January 29, 2024

Summary:

The article proposes Corrective Retrieval Augmented Generation (CRAG) to improve the robustness of generation in large language models (LLMs). The proposed method aims to address the issue of inaccurate knowledge retrieval in retrieval-augmented generation (RAG) approaches.

Major Findings:

  1. Hallucinations in LLMs: LLMs exhibit hallucinations due to their struggle with factual errors and inability to secure the accuracy of generated texts solely by the parametric knowledge they encapsulate.
  2. Retrieval Augmented Generation (RAG): RAG serves as a practicable complement to LLMs, but its effectiveness is contingent upon the relevance and accuracy of the retrieved documents.
  3. Proposed Corrective Strategies: The article introduces Corrective Retrieval Augmented Generation (CRAG) to self-correct the results of retriever and improve the utilization of documents for augmenting generation.

Analysis and Critique:

The article provides a comprehensive overview of the challenges associated with retrieval-augmented generation and proposes a novel method, CRAG, to address these challenges. The proposed method is shown to significantly improve the performance of RAG-based approaches across various generation tasks. However, the article does not thoroughly discuss potential limitations or biases associated with the proposed method. Further research is needed to evaluate the generalizability and scalability of CRAG across different language models and datasets. Additionally, the article could benefit from a more in-depth discussion of the practical implications and real-world applications of CRAG.

Appendix

Model gpt-3.5-turbo-1106
Date Generated 2024-02-26
Abstract https://arxiv.org/abs/2401.15884v1
HTML https://browse.arxiv.org/html/2401.15884v1
Truncated False
Word Count 12980