Hi, Iโm JIN Yiyao (้็ฅ็ถ). I am currently a postgraduate student majoring in AI at Nanyang Technological University.
My research interests are Machine Learning applications, including Large Language Models, Multimodal Models and Recommender Systems.
๐ฅ News
- 2025.08: ย ๐๐ Started my new life at Nanyang Technological University as an AI student.
- 2025.03: ย ๐๐ Started a NLP-Machine Learning Engineer internship at vivo - Vivo Mobile Communication Co., Ltd. (็ปดๆฒ็งปๅจ้ไฟกๆ้ๅ ฌๅธ).
- 2024.07: ย ๐๐ Our team AML_Lab@CityU got second place๐ฅ in 2 tracks, third place ๐ฅ in 3 tracks, best students awards in 2 tracks and overall ranking 2/508 in Amazon KDD CUP 2024! A big shoutout to the awesome teamwork with my teammates Pengyue, Jingtong, Xiaopeng and Zixuan!
- 2024.06: ย ๐๐ Started a Machine Learning Engineer internship at ASTRI - Hong Kong Applied Science and Technology Research Institute Company Limited (้ฆๆธฏๅบ็จ็งๆ็ ็ฉถ้ข).
- 2023.06: ย ๐๐ Went to University College London for a summer school program.
- 2022.07: ย ๐๐ Started working as a Data Analysis Intern at Zhengzhou Municipal Administration for Market Regulation (้ๅทๅธๅธๅบ็็ฃ็ฎก็ๅฑ).
- 2021.08: ย ๐๐ Admitted to the Data Science program at City University of Hong Kong.
๐ป Internships
- 2025.03 - 2025.06, NLP-Machine Learning Engineer (LLM + Recommender System), vivo - Vivo Mobile Communication Co., Ltd. (็ปดๆฒ็งปๅจ้ไฟกๆ้ๅ ฌๅธ) - AI Dept, Shenzhen, China.
- 2024.06 - 2024.08, Machine Learning Engineer (LLM & LMM), ASTRI - Hong Kong Applied Science and Technology Research Institute Company Limited (้ฆๆธฏๅบ็จ็งๆ็ ็ฉถ้ข) - AI Dept, Hong Kong.
- 2024.01 - 2024.06, Research Assistant, Lab on Enterprise Process Innovation and Computing, Department of Information Systems, CityU, Hong Kong.
- 2022.07 - 2022.08, Risk Control Data Analyst, Zhengzhou Municipal Administration for Market Regulation, Zhengzhou, China.
๐ Publications & Projects
Conference

2nd Place Solution in Overall for Amazon KDD Cup 2024
Pengyue Jia*, Jingtong Gao*, Xiaopeng Li*, Zixuan Wang*, Yiyao Jin*, Xiangyu Zhao (*: Equal Contribution)
KDD Cup 2024 Workshop: A Multi-task Online Shopping Challenge for Large Language Models (Oral)
- LLM for multi-task online shopping
- LLM quantization, inference acceleration and prompt design
Competition | Leaderboard | Paper | Code | Certification

Yuchen Gu*, Yiyao Jin*, Jiaruo Liu, Xiaopeng Li, Xiangyu Zhao (*: Equal Contribution)
Journal

Video Analysis in Live Streaming E-Commerce
Yunhui Wang, Yiyao Jin, Junming Liu
๐ Educations
- 2025.08 - Present, MSc in Artificial Intelligence, Nanyang Technological University
- 2021.08 - 2025.06, BSc in Data Science, City University of Hong Kong
๐ Honors and Awards
- 2025.06 Graduated from CityU with First Class Honours.
- 2024.07 Second place๐ฅ in 2 tracks, third place๐ฅ in 3 tracks and Best Students Awards in 2 tracks in Amazon KDD CUP 2024, overall ranking 2/508 teams, Awarded US$8750, Granted by Amazon. [Leaderboard]
- 2023.07 HKSAR Government Scholarship Fund 2022/23, Awarded HK$10,000.
- 2021.08 - 2025.06 Deanโs List in School of Data Science