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Author

Zehao Lin

Zhejiang University;Institute for Advanced Algorithms Research, Shanghai;MemTensor

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#artificial intelligence Review Apr 2026

A Survey on Long-Term Memory Security in LLM Agents: Attacks, Defenses, and Governance Across the Memory Lifecycle

This analysis indicates that robust Long-Term Memory security cannot be retrofitted at retrieval or execution time alone, but must be anchored in storage-time provenance, versioning, and policy-aware retention from the outset.

Zehao Lin, Xixuan Hao, Renyu Fu et al. · 20 citations
Book Open access Aug 2026

GraTAG: Production AI Search via Graph-Based Query Decomposition and Triplet Aligned Generation with Rich Multimodal Representations

Traditional search engines struggle to synthesize fragmented information for complex queries, while generative AI search engines face challenges in relevance, comprehensiveness, and presentation. To address these limitations, we introduce Xinyu AI Search, a novel system that incorporates a query-decomposition graph to...

Bo Tang, Junyi Zhu, Ang Li et al. · 0 citations
Jul 2026

MemOps: Benchmarking Lifecycle Memory Operations in Long-Horizon Conversations

It is argued that, in dynamic long-horizon interactions, memory is not a static collection of facts but a lifecycle of explicit operations, including remembering, forgetting, updating, reflecting, and their compositions, which reveal that current systems remain far from uniformly reliable.

Xixuan Hao, Zeyu Zhang, Zehao Lin et al. · 3 citations

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