Collaborative Reasoner: Self-Improving Social Agents with Synthetic Conversations - Ni, Ansong; Desai, Ruta; Li, Yang; Lei, Xinjie; Wang, Dong; Zhang, Jiemin; Yu, Jane; Raghavendra, Ramya; Ghosh, Gargi; Li, Shang-Wen; Celikyilmaz, Asli (Advances in Neural Information Processing Systems, 2025)