Seventy3

【第203期】Zep:用临时知识图谱作Agent记忆


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今天的主题是:Zep: A Temporal Knowledge Graph Architecture for Agent Memory

Summary

This paper introduces Zep, a novel memory layer service for AI agents powered by Graphiti, a temporally-aware knowledge graph engine. Zep aims to overcome limitations of current retrieval-augmented generation (RAG) frameworks by dynamically integrating unstructured conversation data and structured business data while preserving historical relationships. Evaluations demonstrate Zep's superior performance over the state-of-the-art MemGPT in the Deep Memory Retrieval benchmark and significant improvements in accuracy and latency in the more challenging LongMemEval benchmark, which better reflects real-world enterprise use cases. The authors also discuss limitations of existing memory benchmarks and suggest future research directions, including integrating other GraphRAG approaches, exploring domain-specific ontologies, and developing more robust evaluation metrics focused on real-world applications and system scalability.

这篇论文介绍了Zep,一种为AI代理提供的全新记忆层服务,其由Graphiti(一个具备时间感知的知识图引擎)驱动。Zep旨在克服当前检索增强生成(RAG)框架的局限,通过动态整合非结构化对话数据结构化业务数据,同时保持历史关系的连贯性。

评估结果表明,Zep在深度记忆检索基准(Deep Memory Retrieval)测试中优于最先进的MemGPT,并在更具挑战性的LongMemEval基准中显著提高了准确性延迟,这一基准更好地反映了现实世界中的企业应用场景。

作者还讨论了现有记忆基准的局限性,并提出了未来的研究方向,包括整合其他GraphRAG方法、探索领域特定本体论、以及开发更强大的评估指标,重点关注现实世界应用系统可扩展性

原文链接:https://arxiv.org/abs/2501.13956

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Seventy3By 任雨山