collaborators

6 papers

cs.LG2026

Reinforcing Human Behavior Simulation via Verbal Feedback

Weiwei Sun, Xuhui Zhou, Jiarui Liu +13

Humans learn social norms and behaviors from verbal feedback (e.g., a parent saying "that was rude" or a friend explaining "here's why that hurt"). Yet, learning from feedback for…

cs.CL2026

DP-RFT: Learning to Generate Synthetic Text via Differentially Private Reinforcement Fine-Tuning

Fangyuan Xu, Sihao Chen, Zinan Lin +13

Differentially private (DP) synthetic data generation plays a pivotal role in developing large language models (LLMs) on private data, where data owners cannot provide eyes-on acce…

cs.LG2026

Experiential Reinforcement Learning

Taiwei Shi, Sihao Chen, Bowen Jiang +3

Reinforcement learning has become the central approach for language models (LMs) to learn from environmental reward or feedback. In practice, the environmental feedback is usually…

cs.CL2026

One Model, All Roles: Multi-Turn, Multi-Agent Self-Play Reinforcement Learning for Conversational Social Intelligence

Bowen Jiang, Taiwei Shi, Ryo Kamoi +5

This paper introduces OMAR: One Model, All Roles, a reinforcement learning framework that enables AI to develop social intelligence through multi-turn, multi-agent conversational s…

cs.CL2025

Struct-Bench: A Benchmark for Differentially Private Structured Text Generation

Shuaiqi Wang, Vikas Raunak, Arturs Backurs +7

Differentially private (DP) synthetic data generation is a promising technique for utilizing private datasets that otherwise cannot be exposed for model training or other analytics…

cs.AI2025

Teaching Language Models To Gather Information Proactively

Tenghao Huang, Sihao Chen, Muhao Chen +4

Large language models (LLMs) are increasingly expected to function as collaborative partners, engaging in back-and-forth dialogue to solve complex, ambiguous problems. However, cur…