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Mingkai Zheng

6 papers indexed here

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#machine learning Preprint Oct 2026

PACMI: Provenance-Aware Cascading Memory Invalidation for Long-Term LLM Agents

LLM agents rely on long-term memory to retain and reuse information when performing tasks over long horizons. Existing methods provide limited support for handling memories that become outdated as new observations or domain evidence arrive. Such outdated memories may remain semantically relevant, continue to affect dep...

Yi-Qi Wang, Jia-Qi Liu, Jia-Qi Zhang et al. · 0 citations
Preprint Sep 2026

When Does Execution Provenance Help Agent Memory Retrieval?

A language agent's execution history can exceed its context window, requiring its memory system to retrieve complete supporting evidence under a hard token budget. Evidence may span multiple execution events, yet conventional retrievers use fixed token windows and fixed-k metrics that reward individual fragments withou...

Yi-Qi Wang, Jin-Qian Ju, Jia-Qi Zhang et al. · 0 citations
Jul 2026

MemTX: Transactional Belief Commit for Stateful Agent Memory

This work argues that a memory write is not a belief commit, and presents MemTX, a transactional belief-commit protocol, a transactional belief-commit protocol that leads all eight baselines with paired-McNemar significance on four backbones and statistically ties the best baseline on the fifth and strongest, while rem...

Xiaoyang Li, Yi-Qi Wang, Haohui Lu et al. · 5 citations · ⚡1
Jul 2026

COVENANT: Natural-Language Workflow Compilation for Aligned Agent Execution

COVENANT is proposed, a compiler-and-interpreter architecture for workflow-aligned agent execution that substantially mitigates workflow misalignment, moving LLM-agent alignment beyond isolated prompt following toward reliable execution of complex and multi-step workflows.

Jin-Cheng Wang, Ming-Kai Zheng, Tao Wei · 1 citation
Preprint Aug 2026

MAP-Graph: Provenance-Aware Shared Memory for Multi-Agent Workflows

MAP-Graph is introduced, a provenance-aware memory layer that represents agents, sources, memories, claims, and actions in a typed execution graph and supports provenance as an operational control signal, rather than only post-hoc audit metadata, within the evaluated setting.

Yi-Qi Wang, Zihao Yan, Jia-Qi Zhang et al. · 11 citations · ⚡2

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