Seminar : Privacy-Preserving Authentication on Location-based Services

Department of Systems Engineering and Engineering Management
The Chinese University of Hong Kong

Title     : Privacy-Preserving Authentication on Location-based Services

Speaker    : Prof. Haibo Hu
Date       : Nov 16, 2012 (Friday)
Time       : 4:30 p.m. - 5:30 p.m.
Venue      : Room 513
                  William M.W. Mong Engineering Building

The state-of-the-art location-based services (LBSs) feature data owners, requesting clients, and service providers. As LBSs become new business opportunities, there is an increasing necessity to verify the genuineness of the service
results. Unfortunately, while traditional query authentication techniques can address this issue, they fail to protect the privacy of the data, which are sensitive location information when it comes to LBSs. In this talk, I will first show how
to preserve this privacy when authenticating location-based range queries. As this technique is limited to range queries where private values only appear on one side of any comparison, I will then discuss the solution to the more challenging problem where private values appear on both sides of a comparison. This solution helps to authenticating privacy-preserving kNN and other location-based top-k queries.

Haibo Hu is a Research Assistant Professor in the Department of
Computer Science, Hong Kong Baptist University. Prior to this, he held
several academic or research posts at HKUST and HKBU. He received his
PhD degree in Computer Science from the Hong Kong University of
Science and Technology in 2005. His research interests include mobile and
wireless data management, location-based services, and privacy-aware
computing. He has published over 30 research papers in international
conferences, journals and book chapters. He has received over 2 million HK dollars
research grants, including two HKRGC/GRF grants in the capacity of PI.
He served on various organizing and program committee for international
conferences, such as the Panel Co-chair of DASFAA 2011, and Program Co-chair of
DaMEN 2011 and CloudDB 2011. He is also the recipient of many
awards, including ACM-HK Best PhD Paper Award and Microsoft Imagine



************************* ALL ARE WELCOME ************************

Host         : Prof. Hong Cheng
Tel          : (852) 3943-8300
Email        :
Enquiries    : Prof. Hong Cheng
                     Department of Systems Engineering and Engineering Management
Website      :
Email        :


Friday, November 16, 2012 - 08:30 to 09:30