Publications

Remark: * indicates equal contribution.

[Technical Report]

• E-Commerce Bench: Evaluating LLM Agents on Long-Horizon Autonomous Business Operation
  Wei Fan, Xinjie Shen, Xudong Guo, Jianhong Tu, Yang Su, Yinger Zhang, Lianghao Deng, Fengyu Wang, Baohua Dong, Yangqiu Song, Dayiheng Liu
  Qwen Technical Report
  [paper][code][blog]

[Conference]

• Legal Rule Induction: Towards Generalizable Principle Discovery from Analogous Judicial Precedents
  Wei Fan, Tianshi Zheng, Yiran Hu, Zheye Deng, Weiqi Wang, Baixuan Xu, Chunyang Li, Haoran Li, Weixing Shen, Yangqiu Song.
  Conference on Empirical Methods in Natural Language Processing (EMNLP) 2026.
  [paper]
• DeepPlanner: Scaling Planning Capability for Deep Research Agents via Advantage Shaping
  Wei Fan, Wenlin Yao, Zheng Li, Feng Yao, Xin Liu, Liang Qiu, Qingyu Yin, Yangqiu Song, Bing Yin.
  Findings of Conference on Association for Computational Linguistics (ACL) 2026.
  [paper][code]
• GoldCoin: Grounding Large Language Models in Privacy Laws via Contextual Integrity Theory
  Wei Fan*, Haoran Li*, Zheye Deng, Weiqi Wang, Yangqiu Song.
  Conference on Empirical Methods in Natural Language Processing (EMNLP) 2024. Oral
  🏆 Outstanding Paper Award
  [paper][code]
• Chain-of-Choice Hierarchical Policy Learning for Conversational Recommendation
  Wei Fan, Weijia Zhang, Weiqi Wang, Yangqiu Song, Hao Liu.
  Conference on Database Systems for Advanced Applications (DASFAA) 2024. Oral
  [paper][code]
• AutoSchemaKG: Autonomous Knowledge Graph Construction through Dynamic Schema Induction from Web-Scale Corpora
  Jiaxin Bai*, Wei Fan*, Qi Hu*, Qing Zong, Chunyang Li, Hong Ting Tsang, Hongyu Luo, Yauwai Yim, Haoyu Huang, Xiao Zhou, Feng Qin, Tianshi Zheng, Xi Peng, Xin Yao, Huiwen Yang, Leijie Wu, Yi Ji, Gong Zhang, Renhai Chen, Yangqiu Song.
  Conference on Association for Computational Linguistics (ACL) 2026.
  [paper][code]
• Privacy Checklist: Privacy Violation Detection Grounding on Contextual Integrity Theory
  Haoran Li*, Wei Fan*, Yulin Chen, Jiayang Cheng, Tianshu Chu, Xuebing Zhou, Peizhao Hu, Yangqiu Song.
  Conference of the Nations of the Americas Chapter of the Association for Computational Linguistics (NAACL) 2025.
  [paper]
• Isolation as a First-Class Principle for LLM-Agent System Safety: Concepts, Taxonomy, Challenges and Future Directions
  Huihao Jing, Wenbin Hu, Shaojin Chen, Haochen Shi, Sirui Zhang, Hanyu Yang, Changxuan Fan, Zhongwei Xie, Hongyu Luo, Wun Yu Chan, Wei Fan, Haoran Li, Yangqiu Song.
  Findings of Conference on Empirical Methods in Natural Language Processing (EMNLP) 2026.
  [paper]
• SessionIntentBench: A Multi-task Inter-session Intention-shift Modeling Benchmark for E-commerce Customer Behavior Understanding
  Yuqi Yang, Weiqi Wang, Baixuan Xu, Wei Fan, Qing Zong, Chunkit Chan, Zheye Deng, Xin Liu, Yifan Gao, Changlong Yu, Chen Luo, Yang Li, Zheng Li, Qingyu Yin, Bing Yin, Yangqiu Song.
  Findings of Conference on Association for Computational Linguistics (ACL) 2026.
  [paper]
• On the Role of Entity and Event Level Conceptualization in Generalizable Reasoning: A Survey of Tasks, Methods, Applications, and Future Directions
  Weiqi Wang, Tianqing Fang, Haochen Shi, Baixuan Xu, Wenxuan Ding, Liyu Zhang, Wei Fan, Jiaxin Bai, Haoran Li, Xin Liu, Yangqiu Song.
  Findings of Conference on Empirical Methods in Natural Language Processing (EMNLP) 2025
  [paper]
• Text-Tuple-Table: Towards Information Integration in Text-to-Table Generation via Global Tuple Extraction
  Zheye Deng, Chunkit Chan, Weiqi Wang, Yuxi Sun, Wei Fan, Tianshi Zheng, Yauwai Yim, Yangqiu Song.
  Conference on Empirical Methods in Natural Language Processing (EMNLP) 2024.
  [paper]
• NegotiationToM: A Benchmark for Stress-testing Machine Theory of Mind on Negotiation Surrounding
  Chunkit Chan, Cheng Jiayang, Yauwai Yim, Zheye Deng, Wei Fan, Haoran Li, Xin Liu, Hongming Zhang, Weiqi Wang, Yangqiu Song.
  Findings of Conference on Empirical Methods in Natural Language Processing (EMNLP) 2024.
  [paper]
• AbsInstruct: Eliciting Abstraction Ability from LLMs through Explanation Tuning with Plausibility Estimation
  Zhaowei Wang, Wei Fan, Qing Zong, Hongming Zhang, Sehyun Choi, Tianqing Fang, Xin Liu, Yangqiu Song, Ginny Y. Wong, Simon See.
  Conference on Association for Computational Linguistics (ACL) 2024.
  [paper][code]
• PrivLM-Bench: A Multi-level Privacy Evaluation Benchmark for Language Models
  Haoran Li*, Dadi Guo*, Donghao Li*, Wei Fan, Qi Hu, Xin Liu, Chunkit Chan, Duanyi Yao, Yangqiu Song.
  Conference on Association for Computational Linguistics (ACL) 2024. Oral
  [paper]
• Evaluating and Enhancing LLMs Agent based on Theory of Mind in Guandan: A Multi-Player Cooperative Game under Imperfect Information
  Yauwai Yim, Chunkit Chan, Tianyu Shi, Zheye Deng, Wei Fan, Tianshi Zheng, Yangqiu Song.
  Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT) 2024.
  [paper]
• Multi-step Jailbreaking Privacy Attacks on ChatGPT
  Haoran Li*, Dadi Guo*, Wei Fan, Mingshi Xu, Jie Huang, Fanpu Meng, Yangqiu Song.
  Findings of Conference on Empirical Methods in Natural Language Processing (EMNLP) 2023.
  [paper]

[Journal]

• Meta-Transfer Learning Powered Temporal Graph Networks for Cross-City Real Estate Appraisal
  Weijia Zhang, Jindong Han, Hao Liu, Wei Fan, Hao Wang, Hui Xiong
  Transactions on Intelligent Systems and Technology (TIST) 2025.
  [paper]

[Preprint]

• Can LLMs Time Travel? Enhancing Temporal Consistency in Legal Agentic Search through Reinforcement Learning
  Wei Fan, Yining Zhou, Mufan Zhang, Yanbing Weng, Yiran HU, Tianshi Zheng, Baixuan Xu, Chunyang Li, Jianhui Yang, Haoran Li, Yangqiu Song.
  Arxiv Preprint 2026. [paper][code]
• A Survey on AI Agent Harness
  Zhongwei Xie, Xiyu REN, Tianshi Zheng, Jiaxin Bai, Zhaowei Wang, Wei Fan, Baixuan Xu, Wenbin Hu, Haoran Li, Huihao JING, Yangqiu Song.
  ResearchGate Preprint 2026. [paper]
• AppellateGen: A Benchmark for Appellate Legal Judgment Generation
  Hongkun Yang, Lionel Z. Wang, Wei Fan, Yiran Hu, Lixu Wang, Chenyu Liu, Yu Zeng, Shenghong Fu, Lei Gong, Zhengxin Zhang, Haoyang Li, Jiexin Zheng, Xin Xu.
  Arxiv Preprint 2026. [paper]
• MASLegalBench: Benchmarking Multi-Agent Systems in Deductive Legal Reasoning
  Huihao Jing, Wenbin Hu, Hongyu Luo, Jianhui Yang, Wei Fan, Haoran Li, Yangqiu Song.
  Arxiv Preprint 2025. [paper]
• Towards Multi-Agent Reasoning Systems for Collaborative Expertise Delegation: An Exploratory Design Study
  Baixuan Xu, Chunyang Li, Weiqi Wang, Wei Fan, Tianshi Zheng, Haochen Shi, Tao Fan, Yangqiu Song, Qiang Yang.
  Arxiv Preprint 2025. [paper]