MAGMA: A Multi-Graph based Agentic Memory Architecture for AI Agents

Fuente: arXiv
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Hauptverfasser: Jiang, Dongming, Li, Yi, Li, Guanpeng, Li, Bingzhe
Format: Preprint
Veröffentlicht: 2026
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author Jiang, Dongming
Li, Yi
Li, Guanpeng
Li, Bingzhe
author_facet Jiang, Dongming
Li, Yi
Li, Guanpeng
Li, Bingzhe
contents Memory-Augmented Generation (MAG) extends Large Language Models with external memory to support long-context reasoning, but existing approaches largely rely on semantic similarity over monolithic memory stores, entangling temporal, causal, and entity information. This design limits interpretability and alignment between query intent and retrieved evidence, leading to suboptimal reasoning accuracy. In this paper, we propose MAGMA, a multi-graph agentic memory architecture that represents each memory item across orthogonal semantic, temporal, causal, and entity graphs. MAGMA formulates retrieval as policy-guided traversal over these relational views, enabling query-adaptive selection and structured context construction. By decoupling memory representation from retrieval logic, MAGMA provides transparent reasoning paths and fine-grained control over retrieval. Experiments on LoCoMo and LongMemEval demonstrate that MAGMA consistently outperforms state-of-the-art agentic memory systems in long-horizon reasoning tasks.
format Preprint
id arxiv_https___arxiv_org_abs_2601_03236
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle MAGMA: A Multi-Graph based Agentic Memory Architecture for AI Agents
Jiang, Dongming
Li, Yi
Li, Guanpeng
Li, Bingzhe
Artificial Intelligence
Memory-Augmented Generation (MAG) extends Large Language Models with external memory to support long-context reasoning, but existing approaches largely rely on semantic similarity over monolithic memory stores, entangling temporal, causal, and entity information. This design limits interpretability and alignment between query intent and retrieved evidence, leading to suboptimal reasoning accuracy. In this paper, we propose MAGMA, a multi-graph agentic memory architecture that represents each memory item across orthogonal semantic, temporal, causal, and entity graphs. MAGMA formulates retrieval as policy-guided traversal over these relational views, enabling query-adaptive selection and structured context construction. By decoupling memory representation from retrieval logic, MAGMA provides transparent reasoning paths and fine-grained control over retrieval. Experiments on LoCoMo and LongMemEval demonstrate that MAGMA consistently outperforms state-of-the-art agentic memory systems in long-horizon reasoning tasks.
title MAGMA: A Multi-Graph based Agentic Memory Architecture for AI Agents
topic Artificial Intelligence
url https://arxiv.org/abs/2601.03236