I received my Ph.D in database group of Tsinghua University, under the supervision of professor Guoliang Li.I received my bachelor degree in Computer Science of BUPT. I am interested in Distributed System, Similarity Search and Machine Learning for Query Optimization.
[Google Scholar] [Github]
Work Experience
- 2021.07 - present Researcher at Huawei, Haidian, Beijing
Works on build-in AI for openGauss/GaussDB (VectorDB, AI-based Optimizer, LLM, NewHardware) - 2017.11 - 2018.05 Research Asistant of CSAIL, MIT, Boston, MA
Works on end-to-end entity consolidation framework
Researches
-
GaussML: An End-to-End In-Database Machine Learning System.
Guoliang Li, Ji Sun, Lijie Xu, Shifu Li, Jiang Wang, Wen Nie
[Full(ICDE2024)] [Slide] -
Learned Cardinality Estimation: A Design Space Exploration and a Comparative Evaluation.
Ji Sun, Jintao Zhang, Zhaoyan Sun, Guoliang Li, Nan Tang
[Code] [E&A(VLDB2022)] [Slide] -
DBMind: A Self-Driving Platform in openGauss.
Xuanhe Zhou,Lianyuan Jin,Ji Sun,Xinyang Zhao,et al.
[Demo(VLDB2021)] -
openGauss: An Autonomous Database System.
Guoliang Li,Xuanhe Zhou,Ji Sun,Xiang Yu,et al.
[Full Industry(VLDB2021)] -
Learned Cardinality Estimation for Similarity Queries.
Ji Sun, Guoliang Li, Nan Tang
[Full Research(SIGMOD2021)] [Slides] -
An Autonomous Materialized View Management System with Deep Reinforcement Learning.
Yue Han, Guoliang Li, Haitao Yuan, Ji Sun
[Short (ICDE2021)] -
Query Performance Prediction for Concurrent Queries using Graph Embedding.
Xuanhe Zhou, Ji Sun, Guoliang Li, Jianhua Feng
[Full Research(VLDB2020)] -
Automatic View Generation with Deep Learning and Reinforcement Learning.
Haitao Yuan, Guoliang Li, Ling Feng, Ji Sun, Yue Han
[Full Research(ICDE2020)] -
An End-to-End Learning-based Cost Estimator.
Ji Sun, Guoliang Li
[Code] [Full Research(VLDB2020)][slide] -
Database Meets Artificial Intelligence: A Survey.
Xuanhe Zhou, Chengliang Chai, Guoliang Li, Ji Sun
[Full Research(TKDE2020)] -
Hybrid Entity Resolution Approach for E-commerce Products.
Ji Sun, Guoliang Li
[Code] [Poster(Sigmod2020)] -
Optimizing Human Involvement for Entity Matching and Entity Consolidation.
Ji Sun, Dong Deng, Ihab Ilyas, Guoliang Li, Samuel Madden, Mourad Ouzzani, Michael Stonebraker, Nan Tang
[Technical Report] -
Dima: Distributed In-memory Similarity-based Query Processing System.
Ji Sun, Zeyuan Shang, Guoliang Li, Dong Deng, Zhifeng Bao
[Code] [Video] [Demo(VLDB2017)] [Full Research(VLDB2019)]
Selected Awards
- Excellent Doctoral Dissertation Award, China Computer Federation(CCF), 2021
- Outstanding Graduate of Beijing, Beijing Gov., 2021
- Outstabding Graduate, Department of Computer Science of Tsinghua, 2021
- 84 Future Innovation Scholarship, Tsinghua University, 2020
- Xiaomi Scholarship, Tsinghua University, 2020
- ACM Sigmod Programming Contest Finalist, SIGMOD, 2020
- Student Travel Award, VLDB, 2019
- Mei Yiqi Scholarship, Tsinghua University, 2017, 2019
- Outstanding Graduate of Beijing, Beijing Gov., 2016
- First Prize Scholarship, BUPT, 2014 & 2015
- National Scholarship, Ministry of Education, 2013
Talks
- What Do We Really Need for Vector Database [CloudDB Workshop @ VLDB2024][Slides]
Services
- Committee Member of pVLDB Reproducibility
- Review of ACM TODS
- Review of JCST