ychzhou’s homepage
I am an algorithm researcher at Tencent Ads, based in Shanghai. My research interests span recommender systems, AIGC, and computational advertising.
Research Interests
- Generative Recommendation: Autoregressive item generation, semantic ID learning, LLM-based retrieval
- AIGC for Advertising: Image generation, stylized synthesis, video editing
- Ad Retrieval & Ranking: LTR, multi-interest modeling, long-sequence user behavior modeling, ad CTR prediction
- Ad Inventory & Data: Distributed retrieval, inventory estimation, large-scale ad data systems
- Input Method Engine: Multilingual language modeling, keystroke error correction, gesture/swipe input, cross-language support
Awards
- 🥈 2012 ACM/ICPC Asia Regional, Tianjin — Silver Medal
- 🥈 2012 ACM/ICPC Asia Regional, Hangzhou — Silver Medal
- 🥈 2013 ACM/ICPC Asia Regional, Hangzhou — Silver Medal
- 🥇 2013 ACM/ICPC Asia Regional, Nanjing — Gold Medal
- 🏆 2015 Cootek Hackmarathon — Rank 1
- 🏆 2018 CCIR Recommendation Competition — Rank 1
- 🎖️ 2019 Tencent CDG Cool Code — Rank 2
- 🏅 2021 TPC (Tencent Programming Contest) — Top 10
- 🏅 2022 TPC (Tencent Programming Contest) — Top 10
Competitive Programming Profiles
Blog Posts
You can find my technical blog posts here, covering topics from algorithms to machine learning.
Contact
- Email: ltzyclt@gmail.com
- Location: Shanghai, China
- GitHub: LTzycLT