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Welcome
The Database Research Group is part of the Department
of Computer Science
at the Hong Kong Baptist University.
Currently, our main research activities include:

 Applied AI and LLM
 Big data analytics and management
 Blockchain and distributed data management
 Data privacy and security
 Graphs and social networks
 Mobile and spatial databases
News
2024-12-09
IEEE Fellow 2025
 
   
 
   
Prof. Jianliang Xu has been elected as an IEEE Fellow (Computer Society) for his contributions to mobile data management and trustworthy query processing.
 
2023-05-05
SIGMOD Research Highlights Award 2022
 
   
 
   
Dr. Qichen Wang's SIGMOD '22 paper, titled "Conjunctive Queries with Comparisons", is honored with the 2022 ACM SIGMOD Research Highlights Award (12 awardees in 2022).
 
2022-03-26
HKBU Databases Research Ranked 10th Worldwide by CSRankings 2022
 
   
 
   
Our research in Databases is ranked 10th worldwide according to the recent release of CSRankings 2022.
 
2021-05-26
HKBU Computer Science Ranks No. 1 in Research Outputs in RAE 2020
 
   
 
   
Over 95% of HKBU's research outputs were judged by international experts to be 3* (internationally excellent) and 4* (world leading), ranking first among all institutions in Hong Kong.

 
2020-10-19
Best Paper Nominee at ACM CIKM 2020
 
   
 
   
Our paper titled "Top-k Graph Summarization on Hierarchical DAGs" received the Best Paper Nominee Award (5 out of 970 research paper submissions) at CIKM 2020.

 
2020-07-15
RGC Early Career Award
 
   
 
   
Dr. Xin Huang won Early Career Award from Research Grants Council (RGC) in recognition of his excellent achievements in research. Congratulations!

 
2020-07-13
Invited Lecture @ VLDB Summer School 2020
 
   
 
   
Prof. Jianliang Xu is invited to be a Lecturer for VLDB Summer School 2020 (Blockchain Database).

 
2020-01-23
Best Paper Award at WISE 2019
 
   
 
   
Jinbin Huang, Xin Huang, and Jianliang Xu received the Best Paper Award for their co-authored paper "Parameter-free Structural Diversity Search" at WISE 2019.

 
2019-10-13
Keynote Talk @ NDBC 2019
 
   
 
   
Prof. Jianliang Xu is invited to delivere a Keynote Talk at the 36th CCF National Database Conference held in Jinan, Shandong on Oct 11-13, 2019.

 
2019-07-06
New Book Announcement: "Community Search over Big Graphs"
 
   
 
   
A new book "Community Search over Big Graphs" by Huang, Lakshmanan, and Xu was released at SIGMOD'19. See more details here.

 
2019-06-15
IEEE MDM'19 Successfully Hosted by our Research Group
 
   
 
   
IEEE MDM'19 was successfully held at HKBU during June 10-13, 2019, attracting 180+ delegates from around the world. More details at https://www.comp.hkbu.edu.hk/mdm2019/.

 
2019-04-15
Keynote Talk @ ACM TURC 2019
 
   
 
   
Prof. Jianliang Xu is invited to delivere a Keynote Talk at ACM Turing Celebration Conference - China (ACM TURC) to be held on May 17-19, 2019.

 
2019-04-08
BlockDM'19 Successfuly Held in Conjunction with ICDE 2019
 
   
 
   
The First International Workshop on Blockchain and Data Management (BlockDM'19) was successfully held in conjunction with ICDE 2019. Presentation slides are available for downloading at https://blockchain.comp.hkbu.edu.hk/blockdm2019/.

 
2019-02-15
Multiple Research Papers Accepted to SIGMOD 2019 and ICDE 2019
 
   
 
   
Multiple research papers have been accepted to present at ACM SIGMOD 2019 and ICDE 2019. Congratulations to our students Cheng, Ce, and Shangwei!!!

 
2017-11-04
Full Research Paper Accepted to SIGMOD 2018
 
   
 
   
A research paper titled "When Query Authentication Meets Fine-Grained Access Control: A Zero-Knowledge Approach" has been accepted to present at ACM SIGMOD 2018. Congratulations to our PhD student Cheng Xu!

 
2017-08-29
New NSFC Grants Awarded
 
   
 
   
Dr. Lisi Chen and Dr. Xin Huang respectively receive NSFC grants to conduct research on spatial textual streams of publish-subscribe systems and social community search on massive attribute graphs.

 
2017-05-19
ACM SIGMOD Best Paper Award
 
   
 
   
Jiaxin won the Best Paper Award for his co-authored paper entitled "Parallelizing Sequential Graph Computations" at ACM SIGMOD 2017. Congratulations!

 
2017-05-13
ACM China Doctoral Dissertation Award Chapter Winner
 
   
 
   
Alumni Dr. Yafei Li was presented ACM China Doctoral Dissertation Award Chapter Winner at ACM Turing 50th Celebration Conference - China, with his PhD thesis titled "Efficient Group Queries in Location-Based Social Networks".

 
2017-04-20
Tutorial Delivered at ICDE 2017
 
   
 
   
Dr. Xin Huang and his colleagues presented a tutorial on community search over big graphs at ICDE 2017. [Slides]

 
2017-04-18
President's Award for Outstanding Performance in Scholarly Work
 
   
 
   
Prof. Jianliang Xu received the President's Award for Outstanding Performance in Scholarly Work

 
2017-02-14
IEEE ICSC 2017 Best Student Paper Award
 
   
 
   
Dr. Xin Huang and his colleagues' work on "Querying Intimate-Core Groups in Weighted Graphs" won the Best Student Paper Award at the 11th IEEE International Conference on Semantic Computing (ICSC) 2017.

 
2017-01-30
Tutorial Accepted to SIGMOD 2017
 
   
 
   
Dr. Byron Choi and his colleagues will present a tutorial titled "Graph Querying Meets HCI: State of the Art and Future Directions" at SIGMOD 2017. [Slides]

 
2017-01-03
RGC Engineering Panel Member
 
   
 
   
Prof. Jianliang Xu has been invited to join the Engineering Panel of Hong Kong Research Grants Council (RGC).

 
2016-10-08
Associate Editor for PVLDB 2018
 
   
 
   
Prof. Jianliang Xu has been invited to serve as an Associate Editor for PVLDB 2018.

 
2016-09-28
Distinguished Lecture @ APWeb 2016
 
   
 
   
Prof. Jianliang Xu delivered an invited talk at the Distinguished Lecture Series of the 18th Asia Pacific Web Conference held on Sept 23-25, 2016.

 
2016-08-18
New NSFC Grant Awarded
 
   
 
   
Dr. Zhiwei Zhang receives a NSFC grant to conduct research on querying large knowledge networks.

 
2016-07-01
New GRF Grants Awarded
 
   
 
   
Three new GRF grants are awarded to conduct research on topics related to I/O efficient algorithms, data privacy and security.
 
2016-06-29
Visit of Prof. Xiaofang Zhou
 
   
 
   
Prof. Xiaofang Zhou visited our research group during June 28-29 and delivered a Distinguished Lecture on "Making Sense of Spatial Trajectories".

 
2016-03-29
President's Award for Outstanding Young Researcher
 
   
 
   
Dr. Byron Choi receives the President's Award for Outstanding Young Researcher.

 
2015-12-20
Croucher Advanced Study Institutes (ASI) 2015 hosted
 
   
 
   
Croucher ASI titled "Frontiers in Big Data Graph Research" was successfully held at HKBU on 16-18 Decemeber, 2015
 
2015-06-07
Full Paper Accepted to VLDB 2015
 
   
 
   
A research paper titled "Keys for Graphs" has been accepted to present at VLDB 2015.
 
2015-03-10
Full Paper Accepted to SIGMOD 2015
 
   
 
   
A research paper titled "Authenticated Online Data Integration Services" has been accepted to present at ACM SIGMOD 2015.
 
2014-10-18
Papers Accepted to ICDE 2015
 
   
 
   
Two research papers and three demo papers have been accepted to present at ICDE 2015.
 
2014-10-7
Overseas Attachment
 
   
 
   
Zhe visits the Laboratory for Foundations of Computer Science (LFCS) in the School of Informatics at the University of Edinburgh in Oct 2014-Mar 2015.
 
2014-09-19
Hong Kong U-21 Internet of Things (IoT) Award
 
   
 
   
Dr. Haibo Hu and his team won Bronze Award in the Hong Kong U-21 Internet of Things (IoT) Awards 2014.
 
2014-07-02
New GRF Grants Awarded
 
   
 
   
Three new GRF grants are awarded to conduct research on topics related to LBS, data privacy and security.
 
2014-06-16
Invited Panellist at Greater China Database Research Summit (GCDRS 2014)
 
   
 
   
Dr. Haibo Hu spoke as an invited panellist in a panel on Big Data Research and Application at GCDRS 2014.
 
2014-04-28
Visit of Prof. Christian S. Jensen
 
   
 
   
Prof. Christian S. Jensen visited our research group during April 23-26 and delivered a Distinguished Lecture on "Keyword-Based Spatial Web Querying".

 
2014-03-01
Invited Talk Given at CCF YOCSEF Forum
 
   
 
   
Prof. Jianliang Xu delivered an invited talk on location privacy protection at the 2014 CCF YOCSEF Forum on "Privacy Protection in Social Networks" held on Feb. 28, 2014.
 
2014-02-15
Visit of Prof. Jian Pei
 
   
 
   
Prof. Jian Pei visited our research group during Feb. 10-14 and delivered a Distinguished Lecture on "Towards Connecting Big Data with Many People".

 
2014-02-06
New ITF Grant Received
 
   
 
   
Dr. Haibo Hu has been granted $2,378,200 from Innovation & Technology Fund (ITF) for the project entitled "Hybrid Geofencing Systems for Elderly and Child Care".

 
2013-10-16
Full Paper Accepted to ICDE 2014
 
   
 
   
A research paper titled "Private Search on Key-Value Stores with Hierarchical Indexes" has been accepted to present at ICDE 2014.
 
2013-10-14
Invited Talk Given at HotDB 2013
 
   
 
   
Dr. Byron Choi gave an invited talk on graph data management at the 3rd HotDB Conference held in Peking University on Oct. 13, 2013.
 
2013-08-20
Invited Tutorial/Mentoring Talk Given at NDBC 2013
 
   
 
   
Prof. Jianliang Xu gave an invited talk to share research experiences at the 30th National DataBase Conference of China (NDBC 2013) held in Haerbin on August 16-18, 2013.
 
2013-07-12
Full Paper Accepted to PVLDB 2014
 
   
 
   
A research paper titled "Authenticating Top-k Queries in Location-based Services with Confidentiality" has been accepted to present at PVLDB 2014.
 
2013-01-15
Press Coverage
 
   
 
   
Our research on location privacy protection was featured in various media reports.
 
2012-08-12
PcarnBase: A Transcriptomic Database for Platygyra carnosus Released
 
   
 
   
We are pleased to release PcarnBase: A Transcriptomic Database for Platygyra carnosus. This is a joint research project with Dr. Jianwen Qiu of the Department of Biology.
 
2012-06-29
New GRF Grants Awarded
 
   
 
   
Two new GRF grants are awarded to conduct research on topics related to location-based services and social networks.
 
2012-06-26
First Runner-up Prize in ACM Collegiate Programming Contest (Hong Kong) 2012
 
   
 
   
Qian, together with two undergraduate students from our department, won the First Runner-up Award in the ACM Collegiate Programming Contest (HK) held on 16 June 2012.
 
2012-04-24
ACM SIGMOD 2012 Travel Award
 
   
 
   
Qian is awarded a travel grant to attend the ACM SIGMOD 2012 conference in Scottsdale, Arizona, USA.

 
2012-03-08
Papers Accepted to SIGMOD, ICDE, TKDE and VLDBJ
 
   
 
   
Congratulations to Haibo, Xin, Stone, Dingming, Qian, Byron and Jianliang for full papers accepted by SIGMOD 2012, ICDE 2012, TKDE and VLDBJ!

 
2011-11-04
First-Class Award in the 12th National Challenge Cup Contest
 
   
 
   
Our flash database project has won the First-Class Award in the 12th Challenge Cup held in Dalian, China on October 15-20, 2011. Only 8% of the projects were awarded First-Class Awards.

 
2011-07-21
Invitation to Participate in "Enjoy Green"
 
   
 
   
Come join us in the "Enjoy Green" campaign to (re)discover the ravishing Hong Kong landscapes and win great prizes.
 
2011-06-30
New GRF Grant Awarded
 
   
 
   
Haibo is awarded a new GRF grant to conduct research on privacy-conscious query authentication for outsourced databases.
 
2011-06-28
Bronze Prize in 2011 Amway Pan-Pearl River Delta Region Universities IT Project Competition
 
   
 
   
Chushi, final year undergraduate of our group, won Bronze Prize in the Amway Pan-Pearl River Delta Region Universities IT Project Competition held in Haikou on June 25-26, 2011. Congratulations!
 
2011-05-31
Farewell and Best Wishes
 
   
 
   
We farewell our Final Year Project student Chushi Ren, who will be pursuing postgraduate study at the University of Pennsylvania starting September 2011.
 
2011-04-30
Overseas Attachment
 
   
 
   
Jintian visits the Shanghai Key Lab of Intelligent Information Processing, Fudan University, Shanghai, China in May 2011.
 
2011-04-24
Professional Services
 
   
 
   
Jianliang serves as Workshop Co-Chair for DASFAA 2011; and Byron and Haibo serve as Co-Chairs for GDB 2011 and DAMEN 2011, respectively.
 
2010-09-12
Two Papers Accepted to IEEE ICDE 2011
 
   
 
   
Congratulations to Haibo, Yun, Chushi, Byron and Jianliang for full papers accepted by IEEE ICDE 2011!
 
2010-06-30
New GRF Grants Awarded
 
   
 
   
Two new GRF grants are awarded to conduct research on topics in graph-structured databases and flash-based databases.
 
2010-06-29
Bronze Prize in 2010 Amway Pan-Pearl River Delta Region Universities IT Project Competition
 
   
 
   
Shen, final year undergraduate of our group, won Bronze Prize in the Amway Pan-Pearl River Delta Region Universities IT Project Competition held in Chengdu on June 27-28, 2010. Congratulations!
 
2010-06-02
Overseas Attachment
 
   
 
   
Yun visits the Center for Advanced Information Systems (CAIS) at Nanyang Technological University (NTU) Singapore in June 2010.
 
2010-04-16
Paper Accepted to ACM TODS
 
   
 
   
Congratulations to Haibo, Jianliang, Sai Tung & Jing for a paper accepted by ACM TODS, the most prestigious journal in the database area!
 
2010-02-05
Paper Accepted to ACM SIGMOD 2010
 
   
 
   
Congratulations to Byron for his co-authored paper accepted by ACM SIGMOD 2010!
 
2009-09-01
Overseas Attachment
 
   
 
   
Saitung visits the system research group at Microsoft Reseach Asia, Beijing, China for three months.
 
 
Contact Us : db@comp.hkbu.edu.hk
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