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Dr. CHOI, Byron Koon Kau 蔡冠球
B.Eng., MSE, Ph.D.
Associate Professor, Department of Computer Science

 
   
E-mail:
Personal Website: http://www.comp.hkbu.edu.hk/~bchoi/

Dr. Choi obtained his Ph.D and MSE degrees in Computer and Information Science from the University of Pennsylvania (UPenn) in 2006 and 2002, 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, VLDB, IEEE ICDE, WWW before. Dr. Choi is the director of a Croucher Foundation Advanced Study Institute (ASI) titled "Frontiers in Big Data Graph Research" 2015. Dr. Choi is the recipient of the HKBU President's Award for Outstanding Young Researcher 2016.


Research Interests

  • Graph-structured and XML databases
  • Database security
  • Incremental maintenance algorithms
  • View update

Selected Publications

  • P. Yi, B. Choi, S. S. Bhowmick and J. Xu. "AutoG: A Visual Query Autocompletion Framework for Graph Databases." The VLDB Journal (VLDBJ) (to appear), 2017.
  • Y. Peng, B. Choi, B. He, S. Zhou, R. Xu, X. Yu. VColor: A practical vertex-cut based approach for coloring large graphs.  In Proceedings of the 32nd IEEE International Conference on Data Engineering (ICDE '16), pages 97-108, 2016.
  • S. S. Bhowmick, B. Choi, C. E. Dyreson. Data-driven Visual Graph Query Interface Construction and Maintenance: Challenges and Opportunities. In Proceedings of Very Large Data Base Endowment (PVLDB '16) 9(12): 984-992, 2016.
  • J. Jiang, P. Yi, B. Choi, Z. Zhang, X. Yu. Privacy-Preserving Reachability Query Services for Massive Networks. In Proceedings of the 25th ACM Conference on Information and Knowledge Management (CIKM '16), pages 145-154, 2016.
  • Z. Fan, B. Choi, Q. Chen, J. Xu, H. Hu and S. S. Bhowmick. "Structure-Preserving Subgraph Query Services." IEEE Transactions on Knowledge and Data Engineering (TKDE), 27(8):2275-2290, 2015
  • Y. Peng, Z. Fan, B. Choi, J. Xu and S. S. Bhowmick. Authenticated Subgraph Similarity Search in Outsourced Graph Databases. IEEE Transactions on Knowledge and Data Engineering (TKDE) 27(7):1838-1860, 2015.
  • D. Wu, B. Choi, J. Xu and C. S. Jensen. "Authentication of Moving Top-k Spatial Keyword Queries." IEEE Transactions on Knowledge and Data Engineering (TKDE), 27(4):922-935, 2014
  • Y. Peng, B. Choi, J. Xu, H. Hu, and S. S. Bhowmick. "Side-Effect Estimation: A Filtering Approach to the View Update Problem." IEEE Transactions on Knowledge and Data Engineering (TKDE), 26(9):2307-2322, 2014.
  • Z. Fan, Y. Peng, B. Choi, J. Xu and S. S. Bhowmick. Towards Efficient Authenticated Subgraph Query Service in Outsourced Graph Databases. IEEE Transactions on Services Computing (TSC) 7(4):696-713, 2014.
  • J. Deng, B. Choi, J. Xu, H. Hu, and S. S. Bhowmick. "Incremental Maintenance of the Minimum Bisimulation of Cyclic Graphs." IEEE Transactions on Knowledge and Data Engineering (TKDE), 25(11):2536-2550, 2013.
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Department of Computer Science, Hong Kong Baptist University
Hong Kong Baptist University