Kaifeng Guo
Data Science PhD Student · City University of Hong Kong
I work on large language models and recommender systems, with an interest in building practical machine learning systems that are robust, efficient, and useful in real-world settings.
About
I am a PhD student in Data Science at City University of Hong Kong, where I work with Prof. Xiangyu Zhao in the Applied Machine Learning Lab. I started the program in January 2026.
Before joining CityU, I received my bachelor's degree from Fuzhou University in 2025.
Research Interests
- Large Language Models
- Recommender Systems
- Practical Machine Learning
I am especially interested in methods that connect strong modeling performance with real-world usability.
Recent Experience
- Kuaishou, Beijing Research Intern · Oct 2025 - Present
- Applied Machine Learning Lab PhD Student · Jan 2026 - Present