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wiki/concepts/记忆后端.md
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title: "记忆后端"
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type: concept
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tags: []
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---
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## Aliases
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- Memory Backend
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- Camp 1
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- 记忆后端
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- 记忆后端模式
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## Definition
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Camp 1 类别的 AI 记忆工具。核心工作流程:对话发生 → 系统提取事实或存储内容 → 事实存入数据库(向量数据库、图数据库或两者)→ 下次对话时检索相关事实并注入。
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## Key Characteristics
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- 优化目标:召回(Recall)
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- 典型问题:"关于 X 我说过什么?"
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- 智能在提取和检索
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- 用户从不直接接触记忆,信任系统记住正确的事情
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## Limitations
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- 记忆是扁平条目,无关系
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- 每次提取需要 LLM 调用
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- 存储的事实不随时间演化
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- 无法解决跨会话上下文累积问题
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## Examples
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- [[Mem0]]:53.1k stars,四操作(add, search, update, delete)
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- [[MemPalace]]:46.2k stars,逐字存储
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- [[Supermemory]]:21.8k stars,时间感知
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- [[Honcho]]:2.4k stars,对人和 Agent 建模
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## Related Concepts
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- [[向量数据库]] — 典型存储后端
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- [[事实提取]] — 记忆化的核心技术
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- [[上下文基质]] — Camp 2 的替代方案
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