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---
title: "RAG"
type: entity
tags: [RAG, LLM, 检索增强生成]
---
## Definition
RAG = Retrieval Augmented Generation将LLM与外部数据源连接的通用方法。
## Core Mechanism
通过三阶段流程Indexing → Retrieval → Generation使LLM能够访问私有或最新数据。
## Key Properties
- 突破LLM Context Window限制
- 支持私有/最新数据访问
- 可与预训练知识互补
## Aliases
- Retrieval Augmented Generation
- 检索增强生成
## Connections
- [[Indexing]] ← 包含于 ← [[RAG]]
- [[Retrieval]] ← 包含于 ← [[RAG]]
- [[Generation]] ← 包含于 ← [[RAG]]
- [[LLM]] ← 扩展 ← [[RAG]]
- [[Vector Store]] ← 依赖 ← [[RAG]]