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Prof. XU, Jianliang 徐建良
B.Eng., Ph.D.
Associate Head and Professor, Department of Computer Science

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Prof. Xu received his BEng degree in computer science and engineering from Zhejiang University, Hangzhou, China and his PhD degree in computer science from Hong Kong University of Science and Technology. His research interests include big data management, mobile/pervasive computing, and data security and privacy. He has published more than 150 technical articles in refereed journals and conferences including SIGMOD, PVLDB, ICDE, INFOCOM, TODS, TKDE, TPDS, and VLDBJ. His research has been funded by HK-RGC, ITF, and NSFC, with a total amount exceeding HK$12 million. He is a senior member of IEEE and CCF, and a member of IEEE Technical Committee on Data Engineering and CCF Technical Committee on Databases. He has served as an Associate Editor for IEEE Transactions on Knowledge and Data Engineering (TKDE) and Proceedings of VLDB Endowment (PVLDB).

Research Interests

  • Big Data Management
  • Mobile/Pervasive Computing
  • Data Security and Privacy

Selected Publications

  • X. Lin, Y. Peng, B. Choi, and J. Xu. "Human-Powered Data Cleaning for Probabilistic Reachability Queries on Uncertain Graphs." IEEE Transactions on Knowledge and Data Engineering (TKDE), accepted to appear.
  • H. Hu, Q. Chen, J. Xu, and B. Choi. "Assuring Spatio-Temporal Integrity on Mobile Devices with Minimum Location Disclosure." IEEE Transactions on Mobile Computing (TMC), accepted to appear.
  • L. Chen, J. Xu, X. Lin, C. S. Jensen, and H. Hu. "Answering Why-not Questions on Spatial Keyword Top-k Queries via Keyword Adaption." Proc. the 32nd IEEE International Conference on Data Engineering (ICDE '16), Helsinki, Finland, May 2016.
  • Q. Chen, H. Hu, and J. Xu. "Authenticated Online Data Integration Services." Proc. of the ACM SIGMOD International Conference on Management of Data (SIGMOD '15), Melbourne, Australia, May/June 2015.
  • R. Chen, Q. Xiao, Y. Zhang, and J. Xu. "Differentially Private High-Dimensional Data Publication via Sampling-based Inference." Proc. of the ACM SIGKDD Conference on Knowledge Discovery and Data Mining (SIGKDD '15), Sydney, Australia, August 2015.
  • D. Wu, B. Choi, J. Xu, and Christian S. Jensen. "Authentication of Moving Top-k Spatial Keyword Queries." IEEE Transactions on Knowledge and Data Engineering (TKDE), 27(4):922-935, April 2015.
  • Q. Chen, H. Hu, and J. Xu. "Authenticating Top-k Queries in Location-based Services with Confidentiality."Proceedings of the VLDB Endowment (PVLDB '14), Hangzhou, China, September 2014.
  • X. Lin, J. Xu, H. Hu, and W.-C. Lee. "Authenticating Location-Based Skyline Queries in Arbitrary Subspaces." IEEE Transactions on Knowledge and Data Engineering (TKDE), 26(6): 1479-1493, June 2014.
  • X. Lin, J. Xu, and H. Hu. "Range-based Skyline Queries in Mobile Environments." IEEE Transactions on Knowledge and Data Engineering (TKDE), 25(4): 835-849, April 2013.
  • H. Hu, J. Xu, Q. Chen, and Z. Yang. "Authenticating Location-based Services without Compromising Location Privacy." Proc. of the ACM SIGMOD International Conference on Management of Data (SIGMOD '12), Scottsdale, Arizona, USA, 2012.
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