Zechao Chen (Thatcher Chen)

📣 What’s up

Currently working on related projects about Context Graph and Agentic Enterprise.
Drop me an email if you want a coffee chat to discuss these topics.

🌱 Info

PhD, The Hong Kong University of Science and Technology (Guangzhou)
Supervisor: Nan Tang
CV: Link

🔭️ Research interest

My research focuses on interdisciplinary fields between LLM Agent and Database Systems.
Ongoing research fields:

  • Document Intelligence
  • Context Graph
  • Floating-point data compression for machine learning & time series data

📚 Publication

  • Serf: Streaming Error-Bounded Floating-Point Compression
    Ruiyuan Li, Zechao Chen, Ruyun Lu, Xiaolong Xu, Guangchao Yang, Chao Chen, Jie Bao, Yu Zheng
    ACM SIGMOD 2025
    Paper, Poster, Repo

🛠️ Projects

  • Microsoft VBase: A vector database based on PostgreSQL.
  • CUPID-DB: A spatial-temporal data management system, which support a set of executing engines.
  • Start-DB: An open-source spatio-temporal data management and mining system.
  • UniBase: A RDBMS written in C/C++, which is used as a teaching example.

💬 Contact

📬 Email: zecc [at] acm.org
🐈 GitHub: ThatcherChen