collaborators

5 papers

cs.CL2026

MemTrain: Self-Supervised Context Memory Training

Ziheng Li, Xingrun Xing, Haoqing Wang +2

Memory is an indispensable capability for long-horizon LLM agents, enabling them to preserve and utilize information accumulated across extended interactions. Existing memory-agent…

cs.CR2026

From Secure Agentic AI to Secure Agentic Web: Challenges, Threats, and Future Directions

Zhihang Deng, Jiaping Gui, Weinan Zhang

Large Language Models (LLMs) are increasingly deployed as agentic systems that plan, memorize, and act in open-world environments. This shift brings new security problems: failures…

cs.AI2026

Efficient Thought Space Exploration Through Strategic Intervention

Ziheng Li, Hengyi Cai, Xiaochi Wei +4

While large language models (LLMs) demonstrate emerging reasoning capabilities, current inference-time expansion methods incur prohibitive computational costs by exhaustive samplin…

cs.LG2025

Staying in the Sweet Spot: Responsive Reasoning Evolution via Capability-Adaptive Hint Scaffolding

Ziheng Li, Zexu Sun, Jinman Zhao +8

Reinforcement learning with verifiable rewards (RLVR) has achieved remarkable success in enhancing the reasoning capabilities of large language models (LLMs). However, existing RLV…

cs.CL2025

Keyword-Centric Prompting for One-Shot Event Detection with Self-Generated Rationale Enhancements

Ziheng Li, Zhi-Hong Deng

Although the LLM-based in-context learning (ICL) paradigm has demonstrated considerable success across various natural language processing tasks, it encounters challenges in event…