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GraphMemix: Query-Aware Evidence Forests for Long-Term Multimodal Agent Memory

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TL;DR - GraphMemix is a graph-based long-term memory framework that builds query-aware evidence forests for multimodal agents. It aims to improve retrieval accuracy while reducing the lifecycle costs and context redundancy of offline summaries and embedding-only retrieval.

  • Expands seed memories through schema and semantic relationships to recover relevant original context, including low-similarity complementary evidence.
  • Separates evidence utility from relation-verification costs to suppress redundant or conflicting information.
  • Jointly optimizes evidence selection and relational structure under a fixed evidence budget.
  • Across four multimodal memory benchmarks, it improves results with multiple foundation models and establishes a new accuracy–lifecycle-cost Pareto frontier.

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GraphMemix: Query-Aware Evidence Forests for Long-Term Multimodal Agent Memory

arXiv cs.AI Geng Li, Yuhao Wang, Dong Li, Jianye Hao, Yuxin Peng 2026-08-27 arXiv:2608.26983
Public signals Hugging Face upvotes 0
Providers: Hugging Face · Upvotes 0 OpenAlex · N/A Publisher · N/A Semantic Scholar · N/A X · N/A Fetched 2026-09-25 14:26:02.287940 UTC

TL;DR - GraphMemix is a graph-based long-term memory framework that builds query-aware evidence forests for multimodal agents. It aims to improve retrieval accuracy while reducing the lifecycle costs and context redundancy of offline summaries and embedding-only retrieval.

  • Expands seed memories through schema and semantic relationships to recover relevant original context, including low-similarity complementary evidence.
  • Separates evidence utility from relation-verification costs to suppress redundant or conflicting information.
  • Jointly optimizes evidence selection and relational structure under a fixed evidence budget.
  • Across four multimodal memory benchmarks, it improves results with multiple foundation models and establishes a new accuracy–lifecycle-cost Pareto frontier.
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