About
Dr. Wang received his BEng degree in computer science and engineering from Zhejiang University, Hangzhou, China (2017), and his Ph.D. degree in computer science from Hong Kong University of Science and Technology (2022). His research interests include database theory and algorithms, streaming processing, distributed and parallel query computing. He has published multiple papers on SIGMOD, PVLDB, and ICDE. He also received SIGMOD Best Paper Honorable Mentioned Award (2022) and Honorable Mentioned in HKUST CSE Best Dissertation Award 2022.
Research Interests
- Database Theory and Algorithms
- Streaming Processing
- Distributed and Parallel Query Computing
Selected Publications
In publications marked with '
**', authors are ordered alphabetically, as a convention of theory papers. In the other publications, authors are ordered by contribution.
- Qichen Wang, Qiyao Luo and Yilei Wang. "Relational Algorithms for Top-k Query Evaluation." ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2024
- Xiao Hu and Qichen Wang. ** "Computing the Difference of Conjunctive Queries Efficiently." ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2023
- Qichen Wang, Xiao Hu, Binyang Dai and Ke Yi. "Change Propagation Without Joins." International Conference on Very Large Data Bases (VLDB), August 2023.
- Qichen Wang and Ke Yi. "Conjunctive Queries with Comparisons." ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2022.
- Qichen Wang and Ke Yi. "Maintaining Acyclic Foreign-Key Joins Under Updates." ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2020.
- Xinyi Zhang, Qichen Wang, Cheng Xu, Yun Peng and Jianliang Xu. "FedKNN: Secure Federated k-Nearest Neighbor Search." ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2024
HKBU Scholars
