Projects per year
Personal profile
Other Name(s)
Byron Choi
Chinese Name
蔡冠球
Biography
Dr. Choi obtained his Ph.D. and MSE degrees in Computer and Information Science from the University of Pennsylvania (UPenn) in 2006 and 2001, respectively. He received his BEng degree in Computer Engineering from the Hong Kong University of Science and Technology (HKUST). Dr. Choi was an Assistant Professor with Nanyang Technological University (NTU), 2005-2008. He was a research associate at the University of Edinburgh in 2005. He visited HKUST theoretical computer science group in 2003. His publications appear in IEEE TKDE, VLDBJ, ACM SIGMOD, PVLDB/VLDB, IEEE ICDE, WWW, CIKM, AAAI, and IJCAI before. Dr. Choi is awarded a distinguished program committee member from ACM SIGMOD 2021. Dr. Choi received the best reviewers award from ACM CIKM 2021. He received the distinguished reviewer award from PVLDB 2019. Dr. Choi is the recipient of the HKBU President's Award for Outstanding Performance in Individual Teaching 2022 and the HKBU President's Award for Outstanding Young Researcher 2016. Dr. Choi is the director of a Croucher Foundation Advanced Study Institute (ASI) titled "Frontiers in Big Data Graph Research" 2015. Dr. Choi has served as the ACM SIGMOD information co-director since September 2021. He has served on the Editorial Board of Distributed and Parallel Databases (DAPD) as an Associate Editor since March 2025. Dr. Choi is a Fellow of the Hong Kong Institution of Engineers (HKIE), the Information discipline.
Research Interests
Visual graph query processing
Time series analysis
Database security
View update and incremental maintenance
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Dive into the research topics where Byron CHOI is active. Topic labels come from the works of this scholar.
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Empowering Net-Zero Cities: Unleashing the Full Potential of Smart Data-Enabled Networks and Scalability from energy communities – A Comparative Study of Urban Living Labs (ULLs) in Hong Kong, Seoul, and Bristol
MAH, D.N.-Y. (PI), CHEUNG, D.M.-W. (CoI), KWOK, K. C. (CoI), CHOI, B. (CoI), Ooi, N. (CoI), Mori, A. (CoI), Lo, A. (CoI), Yun, S.-J. (CoI), Leung, K. H. M. (CoI), FOGG-ROGERS, L. (CoI), Chun, K. P. (CoI), Kim, H. (CoI), McLellan, B. (CoI), Siu, A. (CoI) & FUNG, T. K. F. (CoI)
1/07/25 → 31/12/27
Project: Research project
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Asian-European cities online energy map
MAH, D.N.-Y. (PI), CHEUNG, D.M.-W. (CoI), CHOI, B. (CoI) & LO, T. S. K. (CoI)
1/03/23 → 3/07/25
Project: Digital scholarship project
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Delivering carbon-neutral goals through smart social learning in communities: A cross-cultural analysis of three Asian cities (Kyoto, Seoul and Hong Kong)
MAH, D.N.-Y. (PI), CHEUNG, D.M.-W. (CoI), CHOI, B. (CoI), Kim, H. (CoI), McLellan, B. (CoI), Siu, A. (CoI) & Yun, S.-J. (CoI)
1/01/23 → 30/06/25
Project: Research project
Research Output
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ABFlow: Alert Bursting Flow Query in Streaming Temporal Flow Networks
Zhao, Y., Xu, L., Jiang, J., Choi, B., Xu, J. & He, B., Feb 2026, In: Proceedings of the ACM on Management of Data. 4, 1, p. 1-26 26 p., 5.Research output: Contribution to journal › Conference article › peer-review
Open Access -
BAMG: A Block-Aware Monotonic Graph Index for Disk-Based Approximate Nearest Neighbor Search
Li, H., Huang, X., Choi, B. & Xu, J., May 2026, Proceedings of the 42nd IEEE International Conference on Data Engineering, ICDE 2026. Montreal, Canada: IEEE, 13 p.Research output: Chapter in book/report/conference proceeding › Conference proceeding › peer-review
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Efficient Densest Flow Queries in Transaction Flow Networks
Jiang, J., Zhao, Y., Xu, L., Choi, B., He, B., Sun, S. & Chen, J., 1 Jul 2026, In: IEEE Transactions on Knowledge and Data Engineering. 38, 7, p. 4254-4269 16 p.Research output: Contribution to journal › Journal article › peer-review
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Gated Variational Graph Autoencoders as Experts with Competition and Consensus for Multi-view Clustering
Chen, Z., Cheung, W. K., Dai, H. N., Choi, B. & Liu, J., 17 Mar 2026, Proceedings of the 40th AAAI Conference on Artificial Intelligence, AAAI 2026. Koenig, S., Jenkins, C. & Taylor, M. E. (eds.). AAAI press, p. 20445-20453 9 p. (Proceedings of the AAAI Conference on Artificial Intelligence; vol. 40, no. 25).Research output: Chapter in book/report/conference proceeding › Conference proceeding › peer-review
Open Access -
PMatch: A Secure Framework for Querying Private Localized Graph Patterns
Xu, L., Hu, H., Zheng, Y., Jiang, J., Ye, Q., Choi, B. & Xu, J., 30 Jul 2026, (E-pub ahead of print) In: IEEE Transactions on Knowledge and Data Engineering. p. 1-15 15 p.Research output: Contribution to journal › Journal article › peer-review
Prizes
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Best Paper Nomination
ZHU, X. (Recipient), HUANG, X. (Recipient), CHOI, B. (Recipient) & XU, J. (Recipient), 2020
Prize: Award
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Distinguished Program Committee Member, the ACM International Conference on Management of Data (SIGMOD), 2021
CHOI, K. K. (Recipient), Jun 2021
Prize: Other distinction
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Distinguished Program Committee Member, the ACM International Conference on Management of Data (SIGMOD), 2023
CHOI, B. (Recipient), Jun 2023
Prize: Award
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HKBU President's Award for Outstanding Performance in Individual Teaching 20222022
CHOI, B. (Recipient), 2022
Prize: Award
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Activities
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Proceedings of the VLDB Volume 20 (Event)
CHOI, B. (Associate editor)
Mar 2026 → 27 Aug 2027Activity: Publication peer-review/editorial work › Editor/reviewer for publications (incl. CDCF T61 Journal Editor)
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ACM SIGMOD/PODS International Conference on Management of Data 2027 (Event)
CHOI, B. (Associate editor)
Jan 2026 → 19 Jun 2027Activity: Publication peer-review/editorial work › Editor/reviewer for publications (incl. CDCF T61 Journal Editor)
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Distributed and Parallel Databases (Journal)
CHOI, B. (Associate editor)
1 Mar 2025 → …Activity: Publication peer-review/editorial work › Editor/reviewer for publications (incl. CDCF T61 Journal Editor)
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The 40th IEEE International Conference on Data Engineering (ICDE) PhD Symposium
CHOI, B. (Chair) & Jindal, A. (Chair)
16 Apr 2024Activity: Conference/talk/lecture/symposium/speech/workshop, etc › Event organized by non-HKBU units
Press/Media
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Hong Kong uses novel computation methods to develop COVID-19 hotspot map
XU, J., CHOI, B. & CHAN, T. N.
18/11/22
1 item of Media coverage
Press/Media
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