arXiv:2508.15294cs.AIcs.CL2025-08被引 2

提出多记忆片段系统,生成高质量长时记忆内容。

A Multi-Memory Segment System for Generating High-Quality Long-Term Memory Content in Agents

  • 基于认知心理学设计多段记忆结构,分解短期记忆
  • 在LoCoMo数据集上显著提升回复质量与记忆召回率
  • 适合需要长期记忆的对话智能体开发

当前智能体记忆研究集中于记忆检索,却忽视记忆内容本身。现有方法如A-MEM和MemoryBank仅存储对话摘要,导致记忆质量低,影响回复效果。为此,我们受认知心理学启发,提出多记忆片段系统(MMS),将短期记忆分解为多个长时记忆片段,并构建对应的关系型检索记忆单元与上下文记忆单元。检索阶段根据用户查询匹配最相关检索单元,获取对应上下文单元用于生成响应,有效利用历史信息。在LoCoMo数据集上的实验及消融、鲁棒性、开销测试均验证了该方法的有效性与实用性。

原文摘要 · Abstract (English)

In the current field of agent memory, extensive explorations have been conducted in the area of memory retrieval, yet few studies have focused on exploring the memory content. Most research simply stores summarized versions of historical dialogues, as exemplified by methods like A-MEM and MemoryBank. However, when humans form long-term memories, the process involves multi-dimensional and multi-component generation, rather than merely creating simple summaries. The low-quality memory content generated by existing methods can adversely affect recall performance and response quality. In order to better construct high-quality long-term memory content, we have designed a multi-memory segment system (MMS) inspired by cognitive psychology theory. The system processes short-term memory into multiple long-term memory segments, and constructs retrieval memory units and contextual memory units based on these segments, with a one-to-one correspondence between the two. During the retrieval phase, MMS will match the most relevant retrieval memory units based on the user's query. Then, the corresponding contextual memory units is obtained as the context for the response stage to enhance knowledge, thereby effectively utilizing historical data. We conducted experiments on the LoCoMo dataset and further performed ablation experiments, experiments on the robustness regarding the number of input memories, and overhead experiments, which demonstrated the effectiveness and practical value of our method.

智能体记忆长时记忆对话系统

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