Hi there👋. I’m Zhixi Chen (Sometimes I choose Chih-Hsi Chen as my name, my Chinese name is 陈治希 or 陳治希), you can just call me Humphrey, or Zhixi.
Currently, I am a first-year Ph.D. student in the College of Computing and Data Science (CCDS) at Nanyang Technological University, Singapore, supervised by Dr. Zhiqi Shen . Previously, I obtained my M.Sc. (Data Science) Degree in the College of Computing and Data Science (CCDS) at Nanyang Technological University, Singapore, Supervised by Dr. Yinan Zhang and Dr. Zhiqi Shen . Before that, I earned my B.Eng. in Software Engineering degree (Financial Technology Track) with Minor in Finance in Software College, Northeastern University, Shenyang, Liaoning, China, working closely with Assoc. Prof. Yin Zhang .
👀 Research Interest
My research interest includes but not limited to,
- Representation Learning for Recommendation Systems
- Reinforcement Learning and its application to LLMs
- Natural Language Processing and its application
📖 Educations
- 2026.08 - 20??.??: Doctor of Philosophy student in Computing and Data Science @ College of Computing and Data Science, Nanyang Technological University, Singapore.
- 2024.08 - 2026.01: Master of Science in Data Science @ College of Computing and Data Science, Nanyang Technological University, Singapore.
- 2020.09 - 2024.06: Bachelor of Engineering in Software Engineering, Financial Technology Track (金融科技实验班), with Minor in Finance @ Software College, Northeastern University, China.
🛫 Experience
- 2026.03 - 2026.07: Research Intern @ Jinan-NTU Green Technology Research Institute (GreenTRI).
- 2025.02 - 2025.12: Research Intern @ Alibaba-NTU Global e-Sustainability CorpLab (ANGEL).
🔥 News
- 2026.08.10: Started my Ph.D. programme at the College of Computing and Data Science, Nanyang Technological University, Singapore.
- 2026.04.08: 🎉🎉 Received Ph.D. offer from College of Computing and Data Science, Nanyang Technological University, Singapore, commercing from 2026 Fall.
- 2026.03.10: As a research intern, joined the Jinan-NTU Green Technology Research Institute (GreenTRI).
- 2026.01.31: Graduated from Nanyang Technological University with M.Sc. in Data Science degree.
- 2026.01.13: 🎉🎉 One paper accepted by The ACM Web Conference (WWW 2026)! This is my first research paper as a co-first author. :)
- 2025.11.21: Defended my M.Sc. project Predictive Insights with Language Models for Item Popularity Dynamics successfully.
- 2025.01.17: As a research intern, started the research project Predictive Insights with Language Models for Item Popularity Dynamics under NTU-ANGEL lab.
- 2024.08.12: Started my M.Sc. in Data Science at Nanyang Technological University.
- 2024.06.28: Graduated from Northeastern University with B.Eng. in Software Engineering degree, and minor in Finance.
📝 Publications & Research Works
Following the TRAIL: Predicting and Explaining Tomorrow’s Hits with a Fine-Tuned LLM
Yinan Zhang$^*$, Zhixi Chen$^*$, Jiazheng Jing, Zhiqi Shen$^\dagger$
- Accepted by WWW ‘26, Research Track, with 20.1% acceptance rate.
🔮 Projects
SSST: Shanghai–Shenzhen Stock Tracker
Zhixi Chen, Zimu Li, Yin Zhang$^*$
- A Chinese A-share stock market data visualising application.
- Showing different types of stock data.
- Already successfully applied for the computer software copyright registration (Registration No. 2023SR0473375).
🎖 Honors and Awards
- 2022.11, National Second Prize and Provincial First Prize, 2022 China Undergraduate Mathematical Contest in Modeling (CUMCM).
- 2022.04, Honorable Mention Prize, 2022 Mathematical Contest in Modeling (MCM).
- 2022, 2023, 2024, Northeastern University School Scholarship.
- 2021, 2022, 2023, Northeastern University Outstanding Individual with Academic Strengths.
📚 Other Experiences
- 2023.01 - 2023.03, Attended Cambridge AI+ Programme (Financial Big Data Track).
- 2021.12 - 2022.12, Vice-Captain of Northeastern University Software College Debate Team.