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---
id: embedding
title: "Embedding"
type: concept
tags: [LLM, vector, representation]
sources:
- "[[RAG从入门到精通系列1基础RAG]]"
- "[[LLM Terms Framework]]"
last_updated: 2025-12-18
---
## Definition
Embedding向量化是将文本转换为数值向量的技术使计算机能够计算词与词之间的距离和语义关系。
## Mechanism
- 将文本映射到高维向量空间
- 语义相似的文本在向量空间中距离更近
- 支持相似度搜索和聚类分析
## Use Cases
- RAG系统的文档索引
- 语义搜索
- 文本相似度比较
- 推荐系统
## Connections
- [[LLM]] ← uses ← [[Embedding]]
- [[RAG]] ← uses ← [[Embedding]]
- [[向量数据库]] ← stores ← [[Embedding]]