Publications

Han Luo^*, Bingbing Wen^*, Lucy Lu Wang(* Equal contribution) (2026). Agentic Abstention: Do Agents Know When to Stop Instead of Act?. NeurIPS 2026.

Yiwei Yang, Haoxiang Zhang, Bingbing Wen, Yao Lu, Yuchen Wu, Lei Zhang, Julian McAuley, Pan Lu, Bill Howe (2026). Spurious Tool Use: When RL Agents Learn the Wrong Reason to Act. arXiv.

Chenjun Xu, Zhennan Zhou, Zhan Su, Bill Howe, Lucy Lu Wang, Bingbing Wen (2026). STOP: Structured On-Policy Pruning of Long-Form Reasoning in Low-Data Regimes. EMNLP 2026.

Zongwan Cao^*, Bingbing Wen^*, Lucy Lu Wang(* Equal contribution) (2026). Clarify or Answer: Reinforcement Learning for Agentic VQA with Context Under-specification. COLM 2026.

Jihan Yao, Yushi Hu, Wenyuan Wang, Bin Han, Guang Yang, Yujie Yi, Shangbin Feng, Bingbing Wen, Ranjay Krishna, Lucy Lu Wang, Yulia Tsvetkov, Noah A. Smith, Banghua Zhu (2026). MMMG: A Comprehensive and Reliable Benchmark for Multitask Multimodal Generation. COLM 2026.

Bingbing Wen, Sirajul Salekin, Feiyang Kang, Bill Howe, Lucy Lu Wang, Javier Movellan, Manjot Bilkhu (2026). MixAtlas: Uncertainty-aware Data Mixture Optimization for Multimodal LLM Midtraining. ICLR 2026 DATA-FM.

Longjie Guo, Chenjie Yuan^*, Mingyuan Zhong^*, Robert Wolfe, Ruican Zhong, Yue Xu, Bingbing Wen, Hua Shen, Lucy Lu Wang, Alexis Hiniker(* Equal contribution) (2026). SusBench: An Online Benchmark for Evaluating Dark Pattern Susceptibility of Computer-Use Agents. IUI 2026.

Zongwan Cao^*, Bingbing Wen^*, Lucy Lu Wang(* Equal contribution) (2025). Asking the Missing Piece: Context-Driven Clarification for Ambiguous VQA. NeurIPS 2025 FoRLM.

Yiwei Yang^*, Chung Peng Lee^*, Shangbin Feng, Dora Zhao, Bingbing Wen, Anthony Z. Liu, Yulia Tsvetkov, Bill Howe(* Equal contribution) (2025). Escaping the SpuriVerse: Can Large Vision-Language Models Generalize Beyond Seen Spurious Correlations?. NeurIPS 2025 D&B.

Zhan Su, Fengran Mo, Guojun Liang, Jinghan Zhang, Bingbing Wen, Prayag Tiwari, Jian-Yun Nie (2025). Tensorized Clustered LoRA Merging for Multi-Task Interference. arXiv.