Personal profile
Chinese Name
Biography
Research Interests
- Big Data and AI
- Blockchain
- Mobile Computing
- Data Security and Privacy
Fingerprint
- 1 Similar Scholars
Collaborations and top research areas from the last five years
-
Private High-Dimensional Similarity Search for Cloud-Based Retrieval Augmented Generation
XU, J. (PI)
1/01/26 → 31/12/28
Project: Research project
-
Trustworthy Large Language Models: A Multifaceted Strategy for Truthfulness, Fairness, and Privacy Preservation
XU, J. (CoPI), Zhang, X. (PI), Li, Q. (CoPI), King , I. (CoPI), Jia, X. (CoPI) & Yang, Y. (CoPI)
30/06/25 → 29/06/28
Project: Research project
-
Query Evaluation under Updates: Bridging the Gap between Theory and Practice
XU, J. (PI), Li, F. (CoI) & WANG, Q. (CoI)
1/01/25 → 31/12/27
Project: Research project
-
Vector Similarity Search in High-Dimensional Spaces
XU, J. (PI)
1/01/25 → 31/12/27
Project: Research project
-
Federated Graph Management and Querying: Subgraphs, Keywords, and Privacy
HUANG, X. (PI), HU, H. (CoPI), LIU, J. (CoPI), WANG, Q. (CoPI), XU, J. (CoPI), YANG, R. (CoPI) & Ye, Q. (CoPI)
30/06/24 → 29/06/27
Project: Research project
Research Output
-
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 -
AGChain: A Blockchain-based Gateway for Trustworthy App Delegation from Mobile App Markets
Chen, M., Yi, X., Wu, D., Xu, J., Li, Y. & Gao, D., Sept 2026, In: Distributed Ledger Technologies: Research and Practice. 5, 3, p. 1-22 22 p., 30.Research output: Contribution to journal › Journal article › peer-review
Open Access1 Citation (Scopus) -
Aggregative Online Task Assignment in Spatial Crowdsourcing: An Auction-aware Approach
Zhu, G., Li, Y., Du, S., Xu, J., Ding, S. & Xu, M., Mar 2026, In: IEEE Transactions on Mobile Computing. 25, 3, p. 3998-4012 15 p.Research output: Contribution to journal › Journal article › peer-review
1 Citation (Scopus) -
Balancing Global and Local: Representative Sampling for Large-Scale Vector Data
Wu, Z., Song, Y., Zhu, X., Li, H., Xu, J. & Huang, X., Jun 2026, In: Proceedings of the ACM on Management of Data. 4, 3, p. 1-27 27 p., 142.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
Prizes
-
Best Faculty Article Award
SONG, C. (Recipient), HUANG, X. (Recipient) & XU, J. (Recipient), 2022
Prize: Award
-
Best Paper Nomination
ZHU, X. (Recipient), HUANG, X. (Recipient), CHOI, B. (Recipient) & XU, J. (Recipient), 2020
Prize: Award
-
Best Student Paper Award
TANG, R. (Recipient), ZHU, X. (Recipient), HUANG, X. (Recipient) & XU, J. (Recipient), Jun 2023
Prize
-
-
Activities
-
IEEE Int'l Conference on Data Engineering (ICDE 2024)
XU, J. (Technical chair)
2024 → …Activity: Conference/talk/lecture/symposium/speech/workshop, etc › Event organized by non-HKBU units
-
IEEE Transactions on Big Data (Journal)
XU, J. (Associate editor)
Aug 2023 → …Activity: Publication peer-review/editorial work › Editor/reviewer for publications (incl. CDCF T61 Journal Editor)
-
The First Macau Symposium on Data Science
XU, J. (Plenary/keynote speaker)
4 Sept 2023Activity: Conference/talk/lecture/symposium/speech/workshop, etc › Event organized by non-HKBU units
-
IEEE Transactions on Parallel and Distributed Systems (Journal)
XU, J. (Associate editor)
Oct 2023 → …Activity: Publication peer-review/editorial work › Editor/reviewer for publications (incl. CDCF T61 Journal Editor)
-
Proceedings of the VLDB Endowment (Journal)
XU, J. (Associate editor)
Apr 2023 → Jun 2024Activity: Publication peer-review/editorial work › Editor/reviewer for publications (incl. CDCF T61 Journal Editor)
Press/Media
-
-
-
-
-
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