collaborators

5 papers

cs.CL2026

ProMediate: A Socio-cognitive framework for evaluating proactive agents in multi-party negotiation

Ziyi Liu, Bahar Sarrafzadeh, Pei Zhou +3

While Large Language Models (LLMs) are increasingly used in agentic frameworks to assist individual users, there is a growing need for agents that can proactively manage complex, m…

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…