新增wiki命令文件
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wiki/concepts/Embedding-Vector.md
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wiki/concepts/Embedding-Vector.md
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---
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title: "Embedding Vector"
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type: concept
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tags: [Embedding, 向量, 语义表示]
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---
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## Definition
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Embedding Vector是文本的数值表示,捕获语义信息,将文本转为固定长度向量。
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## Core Mechanism
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- 通过深度学习模型将文本编码为稠密向量
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- 语义相似的文本在向量空间中距离相近
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- 通常128-2048维浮点数向量
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## Key Properties
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- 受Context Window限制(单次编码的文本长度)
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- 依赖Embedding Model质量
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- 计算相似度通常用余弦相似度或点积
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## Connections
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- [[Indexing]] ← 输出 ← [[Embedding Vector]]
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- [[Retrieval]] ← 依赖 ← [[Embedding Vector]]
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- [[Vector Store]] ← 存储 ← [[Embedding Vector]]
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