collaborators

8 papers

cs.CL2026

ArborMem: Navigating Interaction States with Memory Forests

Zongwei Lv, Yuemeng Xu, Yilun Yao +8

Large language models increasingly serve as persistent conversational assistants, requiring memory that preserves relevant experience and maintains continuity across interactions.…

cs.AI2026

When Do Prompt-Side Agent Playbooks Transfer? Accuracy, Cost, and Runtime Shift in Agent Deployment

Weihong Lin, Lin Sun, Xiangzheng Zhang

Prompt-side playbooks can improve tool-using language agents without retraining, but their portability beyond the source setting is unclear. We study frozen playbook transfer under…

cs.CL2026

RealClawBench: Live OpenClaw Benchmarks from Real Developer-Agent Sessions

Zongwei Lv, Zhewen Tan, Yaoming Li +7

Agent benchmarks should reflect what users actually ask deployed agents to do, yet existing benchmarks often miss key realism properties of real developer-agent sessions. We introd…

cs.CL2026

TinyR1-32B-Preview: Boosting Accuracy with Branch-Merge Distillation

Lin Sun, Guangxiang Zhao, Xiaoqi Jian +18

The challenge of reducing the size of Large Language Models (LLMs) while maintaining their performance has gained significant attention. However, existing methods, such as model di…

cs.AI2026

Beyond Parameter Arithmetic: Sparse Complementary Fusion for Distribution-Aware Model Merging

Weihong Lin, Lin Sun, Qilong Shi +6

Model merging has emerged as a promising paradigm for composing the capabilities of large language models by directly operating in weight space, enabling the integration of special…

cs.CL2026

Beyond Static Alignment: Hierarchical Policy Control for LLM Safety via Risk-Aware Chain-of-Thought

Jianfeng Si, Lin Sun, Weihong Lin +1

Large Language Models (LLMs) face a fundamental safety-helpfulness trade-off due to static, one-size-fits-all safety policies that lack runtime controllabilityxf, making it difficu…