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What is RAG

  • Motivation:
    • challenges when working with LLMs,such as domain knowledge gaps, factuality issues, and hallucination(幻觉).
    • Retrieval Augmented Generation (RAG) 通过引入外部知识源来增强LLMs以缓解上述问题,augmenting LLMs with external knowledge such as databases.
      • 一个关键的优势是RAG方法不需要为任务特定的应用重新训练LLM
    • RAG can help reduce issues of hallucination or performance when addressing problems in a highly evolving environment.

定义

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