Education

• Ph.D in Data Science, City University of Hong Kong, 2023 - Present
• M.S. in Advanced Computer Science, University of Sheffield, 2021 - 2022
• B.Eng in Software Engineering, Xi’an Jiaotong University, 2017 - 2021

Work experience

• August 2024 - Present: Researcher
  • Tencent Jarvis Research Center
  • Duties includes: Develop model merging methods for multi-task learning and knowledge editing
  • Supervisor: Dr. Xian Wu, Prof. Yefeng Zheng
• July 2023 - April 2024: Researcher
  • Huawei Noah’s Ark Lab
  • Duties included: Leverage LLMs for multi-domain CTR prediction
  • Supervisor: Li Xiangyang

Skills

• Programming Languages and Technologies
  • Proficient in Java, Python, and C
  • Web Development: Java EE, WeChat Mini Program, JavaScript
• Machine Learning and AI
  • PyTorch and deep learning frameworks
  • Large Language Models (LLMs)
  • Natural Language Processing
  • Computer Vision
  • Transformers and PEFT libraries
• Project Management and Leadership
  • Full development cycle experience
  • Team Leadership & Organization
  • Requirements analysis and design
  • Student Union management experience

Publications

Conference Papers

• [1]
  LLM-as-Code: Agentic Programming for Agent Harness Junjia Qi, Zichuan Fu, Jingtong Gao, Wenlin Zhang, Hanyu Yan, Xian Wu, Xiangyu Zhao KDD’26 Workshop on Agentic Software Engineering (AgenticSE) · arXiv:2606.15874
• [2]
  Tandem: Riding Together with Large and Small Language Models for Efficient Reasoning Zichuan Fu, Xian Wu, Guojing Li, Yejing Wang, Yijun Chen, Zihao Zhao, Yixuan Luo, Hanyu Yan, Yefeng Zheng, Xiangyu Zhao ACL’26 Findings, Findings of the Association for Computational Linguistics · arXiv:2604.23623
• [3]
  MultiDx: A Multi-Source Knowledge Integration Framework towards Diagnostic Reasoning Yimin Deng, Zhenxi Lin, Yejing Wang, Guoshuai Zhao, Pengyue Jia, Zichuan Fu, Derong Xu, Yefeng Zheng, Xiangyu Zhao, Xian Wu ACL’26 Findings, Findings of the Association for Computational Linguistics · arXiv:2604.24186
• [4]
  AdapTime: Enabling Adaptive Temporal Reasoning in Large Language Models Yimin Deng, Yejing Wang, Zhenxi Lin, Zichuan Fu, Guoshuai Zhao, Derong Xu, Yefeng Zheng, Xiangyu Zhao, Xian Wu, Li Zhu, Xueming Qian ACL’26 Findings, Findings of the Association for Computational Linguistics · arXiv:2604.24175
• [5]
  A Multi-Expert Structural-Semantic Hybrid Framework for Unveiling Historical Patterns in Temporal Knowledge Graphs Yimin Deng, Yuxia Wu, Yejing Wang, Guoshuai Zhao, Li Zhu, Qidong Liu, Derong Xu, Zichuan Fu, Xian Wu, Yefeng Zheng, Xiangyu Zhao ACL’25 Findings, Findings of the Association for Computational Linguistics · 10.18653/v1/2025.findings-acl.1056
• [6]
  AnchorCoT: Anchors Pave the Way for Multi-hop Reasoning Tianshi Ming, Xian Wu, Yingying Zhang, Zichuan Fu, Dawei Cheng ACL’25 Findings, Findings of the Association for Computational Linguistics · 10.18653/v1/2025.findings-acl.801
• [7]
  Training-free LLM Merging for Multi-task Learning Oral Zichuan Fu, Xian Wu, Yejing Wang, Wanyu Wang, Shanshan Ye, Hongzhi Yin, Yi Chang, Yefeng Zheng, Xiangyu Zhao ACL’25 (Main, Long Paper), Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics · 10.18653/v1/2025.acl-long.1588
• [8]
  Model Merging for Knowledge Editing Oral Zichuan Fu, Xian Wu, Guojing Li, Yingying Zhang, Yefeng Zheng, Tianshi Ming, Yejing Wang, Wanyu Wang, Xiangyu Zhao ACL’25 (Industry Track), Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics · 10.18653/v1/2025.acl-industry.30
• [9]
  LLM4MSR: An LLM-Enhanced Paradigm for Multi-Scenario Recommendation Yuhao Wang, Yichao Wang, Zichuan Fu, Xiangyang Li, Wanyu Wang, Yuyang Ye, Xiangyu Zhao, Huifeng Guo, Ruiming Tang CIKM’24 (Full Research Paper track), Proceedings of the 33rd ACM International Conference on Information and Knowledge Management · 10.1145/3627673.3679743

Journal Articles

• [1]
  A Unified Framework for Multi-Domain CTR Prediction via Large Language Models Zichuan Fu, Xiangyang Li, Chuhan Wu, Yichao Wang, Kuicai Dong, Xiangyu Zhao, Mengchen Zhao, Huifeng Guo, Ruiming Tang TOIS, ACM Transactions on Information Systems · 10.1145/3698878

Preprints (arXiv)

• [1]
  GUI-Lens: Coarse-to-Fine Cropping for GUI Grounding with General-Purpose VLMs Zichuan Fu, Shirong Wang, Wenlin Zhang, Guojing Li, Yimin Deng, Jingtong Gao, Junjia Qi, Hanyu Yan, Yefeng Zheng, Xiaopeng Li, Wanyu Wang, Xian Wu, Xiangyu Zhao arXiv preprint arXiv:2608.03270 · arXiv:2608.03270
• [2]
  Chinese-SkillSpan: A Span-Level Dataset for ESCO-Aligned Competency Extraction from Chinese Job Ads Guojing Li, Zichuan Fu, Junyi Li, Wenxia Zhou, Xinyang Wu, Jinning Yang, Jingtong Gao, Feng Huang, Xiangyu Zhao arXiv preprint arXiv:2604.23009 · arXiv:2604.23009
• [3]
  Job Skill Extraction via LLM-Centric Multi-Module Framework Guojing Li, Zichuan Fu, Junyi Li, Faxue Liu, Wenxia Zhou, Yejing Wang, Jingtong Gao, Maolin Wang, Rungen Liu, Wenlin Zhang, Xiangyu Zhao arXiv preprint arXiv:2604.21525 · arXiv:2604.21525
• [4]
  Attention Needs to Focus: A Unified Perspective on Attention Allocation Zichuan Fu, Wentao Song, Guojing Li, Yejing Wang, Xian Wu, Yimin Deng, Hanyu Yan, Yefeng Zheng, Xiangyu Zhao arXiv preprint arXiv:2601.00919 · arXiv:2601.00919
• [5]
  Sliding Window Attention Training for Efficient Large Language Models Zichuan Fu, Wentao Song, Yejing Wang, Xian Wu, Yefeng Zheng, Yingying Zhang, Derong Xu, Xuetao Wei, Tong Xu, Xiangyu Zhao arXiv preprint arXiv:2502.18845 · arXiv:2502.18845

Mentorship

• [1]
  Research Project Mentor — SDSC6002 (MSDS Capstone), TravelAgent Team City University of Hong Kong, Department of Data Science
• [2]
  Research Project Mentor — SDSC6002 (MSDS Capstone), LLM Job Recommendation Team City University of Hong Kong, Department of Data Science
• [3]
  Thesis Supervision — MSc and Undergraduate Final-Year Projects City University of Hong Kong

Service

• Conference Reviewer: AAAI, KDD, ICDM, NeurIPS, WWW, RecSys, ACMMM
• Journal Reviewer: TKDE, TKDD

Awards and honors

• Second Prize, Beijing College Students “Super Individual” (OPC) Entrepreneurship Competition, 2026 — team member. Organised by the Beijing Municipal Education Commission and the Beijing College Students Employment and Entrepreneurship Guidance Center.
• Led a master’s student research team to the MSDS Outstanding Performance Award, City University of Hong Kong, 2026
• Tencent Rhino-Bird Outstanding Project, 2023 — ranked 4th out of 26
• Outstanding Dissertation (Top 10%), University of Sheffield, 2022
• First-Class Honours, University of Sheffield, 2022
• Excellent Award, “Tengfei Cup” Innovation and Entrepreneurship Competition, 2019
• Wang Shishao Scholarship, Xi’an Jiaotong University, 2020
• Second Prize, Mathematical Contest in Modeling, 2018
• Third-class Scholarship, Xi’an Jiaotong University, 2018
• Outstanding Student Cadre, Xi’an Jiaotong University, 2018