collaborators

8 papers

cs.AI2026

Bridging Exploration and Persona: Information-Directed Dueling for Test-Time Agent Personalization

Jie Mao, Pingchen Lu, Xiangyi Wang +4

Effective test-time personalization requires LLM agents to adapt to query-dependent user preferences from lightweight interaction. We study persona selection with binary comparison…

cs.LG2026

SPOT: Sparse Probing and Outcome Calibration for On-Policy Distillation

Zikun Qu, Min Zhang, Mingze Kong +5

On-policy distillation (OPD) provides dense teacher supervision on student-generated trajectories, but standard reverse-KL training can assign insufficient probability to other pla…

cs.AI2026

SkillEvo: Self-Renewing Evolution Gradients from Multi-Turn Interaction Feedback

Qianxi Yan, Chunrong Chen, Jiuzhou Zhao +3

Agent Skills are today either hand-authored or produced in a single LLM generation pass, and consequently possess no closed loop through which they might improve from the interacti…

cs.AI2026

ALSO: Adversarial Online Strategy Optimization for Social Agents

Xiang Li, Liping Yi, Mingze Kong +3

Social simulation provides a compelling testbed for studying social intelligence, where agents interact through multi-turn dialogues under evolving contexts and strategically adapt…

cs.AI2026

TCAndon-Router: Adaptive Reasoning Router for Multi-Agent Collaboration

Jiuzhou Zhao, Chunrong Chen, Chenqi Qiao +3

Multi-Agent Systems(MAS) have become a powerful paradigm for building high performance intelligent applications. Within these systems, the router responsible for determining which…

cs.IR2025

Generative Sequential Recommendation via Hierarchical Behavior Modeling

Zhefan Wang, Guokai Yan, Jinbei Yu +5

Recommender systems in multi-behavior domains, such as advertising and e-commerce, aim to guide users toward high-value but inherently sparse conversions. Leveraging auxiliary beha…

cs.LG2025

FedPOB: Sample-Efficient Federated Prompt Optimization via Bandits

Pingchen Lu, Zhi Hong, Zhiwei Shang +6

The performance of large language models (LLMs) is highly sensitive to the input prompt, making prompt optimization a critical task. However, real-world application is hindered by…

cs.LG2025

T-POP: Test-Time Personalization with Online Preference Feedback

Zikun Qu, Min Zhang, Mingze Kong +7

Personalizing large language models (LLMs) to individual user preferences is a critical step beyond generating generically helpful responses. However, current personalization metho…