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Research Interests
Database systems. Large language models (Foundation models).News
- 08/23: I received CanDoc Grant from University of Zurich
- 10/22: Happy to visit Oracle Zurich and give a talk.
- 09/22: I attended VLDB 2022 in Sydney.
- 08/22: I attended the Factorized Database workshop in Zurich. Nice experience!
Publications
- An experimental comparison of tree-data structures for connectivity queries on fully-dynamic undirected graphs, SIGMOD 2025. Qing Chen, Michael H. Böhlen and Sven Helmer [codes] [extended version]
- Dynamic Spanning Trees for Connectivity Queries on Fully-dynamic Undirected Graphs, VLDB 2022. Qing Chen, Oded Lachish, Sven Helmer, and Michael H. Böhlen [video] [slides] [codes] [extended version]
- Graph stream summarization: From big bang to big crunch, SIGMOD 2016. Nan Tang, Qing Chen, and Prasenjit Mitra
- Repair diversification: A new approach for data repairing, Information Sciences, 2016. Chu He, Zijing Tan, Qing Chen, and Chaofeng Sha
- Repairing functional dependency violations in distributed data, DASFAA 2015. Qing Chen, Zijing Tan, Chu He, and Chaofeng Sha
- Repair diversification for functional dependency violations, DASFAA 2015. Best Paper Candidate. Chu He, Zijing Tan, Qing Chen, Zhihui Wang, Chaofeng Sha, and Wei Wang
2016 and older
Supervised Students (in chronological order)
- Alex Schindler, now data engineer at SCIGILITY, Zurich
- Xiaozhe Yao
- Nivedita Nivedita
- Neeraj Kumar
- Andrios Michail
- Xinyu Zhu, now Ph.D. student at UZH DBTG group
- Yuanzhe Gao
- Zheng Luo
- Running Hou, now Ph.D. student at UZH DBTG group
Talks
- A scalable connectivity algorithm for fully dynamic graphs. Oracle Zurich, October 2022. [slides]
Services
- AAAI 2025 PC member
- ICML 2024 reviewer
- ICLR 2024 reviewer
- Neurips 2023 reviewer
- VLDB 2020 external reviewer