Publications

1. Data Agent: A Holistic Architecture for Orchestrating Data+ AI Ecosystems
   Zhaoyan Sun, Jiayi Wang, Xinyang Zhao, Jiachi Wang, Guoliang Li
   IEEE Data Engineering Bulletin (2025). In submission. [paper]
2. R-Bot: An LLM-based Query Rewrite System
   Zhaoyan Sun, Xuanhe Zhou, Guoliang Li, Xiang Yu, Jianhua Feng, Yong Zhang
   VLDB (2025). [paper] [code]
3. D-Bot: An LLM-Powered DBA Copilot
   Zhaoyan Sun, Xuanhe Zhou, Jianming Wu, Wei Zhou, Guoliang Li
   SIGMOD Demo (2025). [paper] [code]
4. D-bot: Database diagnosis system using large language models
   Xuanhe Zhou, Guoliang Li, Zhaoyan Sun, Zhiyuan Liu, Weize Chen, Jianming Wu, Jiesi Liu, Ruohang Feng, Guoyang Zeng
   VLDB (2024). [paper] [code (0.6k stars)]
   BenchCouncil Top-100 Open Source Achievement
5. Db-gpt: Large language model meets database
   Xuanhe Zhou, Zhaoyan Sun, Guoliang Li
   Data Science and Engineering (2024). [paper] [code]
6. A learned query rewrite system
   Xuanhe Zhou, Guoliang Li, Jianming Wu, Jiesi Liu, Zhaoyan Sun, Xinning Zhang
   VLDB Demo (2023). [paper] [code]
7. Learned Index: A Comprehensive Experimental Evaluation
   Zhaoyan Sun, Xuanhe Zhou, Guoliang Li
   VLDB (2023). [paper] [code]
8. Learned cardinality estimation: A design space exploration and a comparative evaluation
   Ji Sun, Jintao Zhang, Zhaoyan Sun, Guoliang Li, Nan Tang
   VLDB (2021). [paper] [code]