SMART: Self-Aware Agent for Tool Overuse Mitigation. - Cheng Qian 008; Emre Can Acikgoz; Hongru Wang 011; Xiusi Chen; Avirup Sil; Dilek Hakkani-Tür; Gokhan Tur; Heng Ji 001 (ACL (Findings), 2025)

ToolRL: Reward is All Tool Learning Needs. - Cheng Qian 008; Emre Can Acikgoz; Qi He; Hongru Wang 011; Xiusi Chen; Dilek Hakkani-Tür; Gokhan Tur; Heng Ji 001 (CoRR, 2025)

A Desideratum for Conversational Agents: Capabilities, Challenges, and Future Directions. - Emre Can Acikgoz; Cheng Qian 008; Hongru Wang 011; Vardhan Dongre; Xiusi Chen; Heng Ji 001; Dilek Hakkani-Tür; Gokhan Tur (CoRR, 2025)

RM-R1: Reward Modeling as Reasoning. - Xiusi Chen; Gaotang Li; Ziqi Wang 003; Bowen Jin; Cheng Qian 008; Yu Wang 072; Hongru Wang 011; Yu Zhang 044; Denghui Zhang; Tong Zhang 001; Hanghang Tong; Heng Ji 001 (CoRR, 2025)

ModelingAgent: Bridging LLMs and Mathematical Modeling for Real-World Challenges. - Cheng Qian 008; Hongyi Du; Hongru Wang 011; Xiusi Chen; Yuji Zhang 002; Avirup Sil; Chengxiang Zhai; Kathleen McKeown; Heng Ji 001 (CoRR, 2025)

DecisionFlow: Advancing Large Language Model as Principled Decision Maker. - Xiusi Chen; Shanyong Wang; Cheng Qian 008; Hongru Wang 011; Peixuan Han; Heng Ji 001 (CoRR, 2025)

Perception-Aware Policy Optimization for Multimodal Reasoning. - Zhenhailong Wang; Xuehang Guo; Sofia Stoica; Haiyang Xu 001; Hongru Wang 011; Hyeonjeong Ha; Xiusi Chen; Yangyi Chen; Ming Yan 008; Fei Huang 002; Heng Ji 001 (CoRR, 2025)