CV

See also my RESUME (Transcripts)

Work experience

• 09.2025 - Now : Ph.D. student
  • University of Waterloo
  • Supervisor: Professor Victor Zhong
• 06.2025 - 09.2025 : Researcher
  • Pujiang AI Lab
  • Supervisor: Professor Jie Fu
• 07.2024 - 06.2025 : Visiting Research Scholar
  • University of California, Santa Barbara
  • Supervisor: Professor William Wang
• 10.2023 - 06.2024 : Research Intern
  • DKI (Data, Knowledge, Intelligence) Group, Microsoft Research
  • Supervisor: Yong Xu, Fangkai Yang, Chaoyun Zhang
• 06.2021 - 06.2024 : Student Researcher
  • Websoft Lab, Nanjing University
  • Supervisor: Professor Yuzhong Qu
• 06.2023 - 09.2023 : Research Intern
  • Data Management Intelligence Departiment, Ant Group

Education

• Ph.D. in Computer Science, University of Waterloo, advised by Professor Victor Zhong, 2024-Now
• M.S. in Computer Science, Nanjing University, advised by Professor Yuzhong Qu, 2021-2024
• B.E. in Software Engineering, University of Electronic Science and Technology of China, advised by Professor Yi Ding, 2017-2021

Preprints

• [In progress] LEDOM: An Open and Fundamental Reverse Language Model
  Xunjian Yin, Sitao Cheng, Yuxi Xie, Xinyu Hu, Li Lin, Xinyi Wang, Liangming Pan, William Yang Wang, Xiaojun Wan
  [paper]

Publications

• [ACL’25 Workshop] Understanding the Interplay between Parametric and Contextual Knowledge for Large Language Models
  Sitao Cheng, Liangming Pan, Xunjian Yin, Xinyi Wang, William Yang Wang
  [paper] [code] [homepage]

• [ACL’24 Findings] Call Me When Necessary: LLMs can Efficiently and Faithfully Reason over Structured Environments
  Sitao Cheng, Ziyuan Zhuang, Yong Xu, Fangkai Yang, Chaoyun Zhang, Xiaoting Qin, Xiang Huang, Ling Chen, Qingwei Lin, Dongmei Zhang, Saravan Rajmohan, Qi Zhang
  [paper] [code]

• [ACL’24 Oral] QueryAgent: A Reliable and Efficient Reasoning Framework with Environmental Feedback based Self-Correction
  Xiang Huang*, Sitao Cheng*, Shanshan Huang, Jiayu Shen, Yong Xu, Chaoyun Zhang, Yuzhong Qu
  [paper] [code]

• [EMNLP’25 Findings] Dynamic Evaluation for Oversensitivity in LLMs
  Sophia Xiao Pu, Sitao Cheng, Xin Eric Wang, William Yang Wang\

• [EMNLP’23] MarkQA: A Large Scale KBQA Dataset with Numerical Reasoning
  Xiang Huang, Sitao Cheng, Yuheng Bao, Shanshan Huang, Yuzhong Qu
  [paper] [code] [homepage]

• [AAAI’23 Oral] Question Decomposition Tree for Answering Complex Questions over Knowledge Bases
  Xiang Huang, Sitao Cheng, Yiheng Shu, Yuheng Bao, Yuzhong Qu
  [paper] [code]

• [ACL’25] Disentangling Memory and Reasoning Ability in Large Language Models
  Mingyu Jin, Weidi Luo, Sitao Cheng, Xinyi Wang, Wenyue Hua, Ruixiang Tang, William Yang Wang, Yongfeng Zhang
  [paper] [code]

• [EMNLP’24] EfficientRAG: Efficient Retriever for Multi-Hop Question Answering
  Ziyuan Zhuang, Zhiyang Zhang, Sitao Cheng, Fangkai Yang, Jia Liu, Shujian Huang, Qingwei Lin, Saravan Rajmohan, Dongmei Zhang, Qi Zhang
  [paper] [code]

• [ACL’25] RuleArena: A Benchmark for Rule-Guided Reasoning with LLMs in Real-World Scenarios
  Ruiwen Zhou, Wenyue Hua, Liangming Pan, Sitao Cheng, Xiaobao Wu, En Yu, William Yang Wang
  [paper] [code]

• [ACL’25] TARGA: Targeted Synthetic Data Generation for Practical Reasoning over Structured Data
  Xiang Huang, Jiayu Shen, Shanshan Huang, Sitao Cheng, Xiaxia Wang, Yuzhong Qu
  [paper]

• [EMNLP’25] Thread: A Logic-Based Data Organization Paradigm for How-To Question Answering with Retrieval Augmented Generation
  Kaikai An, Fangkai Yang, Liqun Li, Junting Lu, Sitao Cheng, Shuzheng Si, Lu Wang, Pu Zhao, Lele Cao, Qingwei Lin, Saravan Rajmohan, Dongmei Zhang, Qi Zhang, Baobao Chang
  [paper]

Selected Awards

• 2024 Outstanding Graduating Student at Nanjing University
• 2021 Outstanding Graduating Student at Sichuan Province
• 2021 Outstanding Graduating Student at UESTC

Services

• ARR Reviewer
• ACL 2024 Volunteer