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Yu-Can Guo

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#artificial intelligence Preprint Oct 2026

MemScope: Evolving Agent Memory Architectures through Localized Code Repair

Agent memory architectures define how LLM agents store and reuse experience across tasks, but they are typically fixed after deployment, limiting their adaptability across task types. Recent self-evolving approaches instead adapt these memory architectures using execution feedback, typically represented as evaluation s...

Miao Su, Yu-Can Guo, Zi-Xuan Li et al. · 0 citations
#artificial intelligence Conference Jan 2026

Beyond Dialogue Time: Temporal Semantic Memory for Personalized LLM Agents

Temporal Semantic Memory is proposed, a memory framework that models semantic time for point-wise memory and supports the construction and utilization of durative memory and incorporates the query's temporal intent on the semantic timeline.

Miao Su, Yu-Can Guo, Zhong-Ni Hou et al. · 12 citations
Preprint Aug 2026

HiDiffTIR: Hierarchical Difficulty-Aware Policy Optimization for Multi-Turn Tool-Integrated Reasoning

HiDiffTIR is proposed, a Hierarchical Difficulty-aware policy optimization framework for multi-turn TIR that consistently improves multi-turn TIR performance and tool invocation accuracy over strong RL baselines, highlighting the necessity of difficulty-aware credit assignment for effective policy optimization in tool-...

Yu-Can Guo, Xiao-Han Wang, Miao Su et al. · 0 citations

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