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WISEC
2010
ACM
13 years 5 months ago
Preventing multi-query attack in location-based services
Despite increasing popularity, Location-based Services (LBS) (e.g., searching nearby points-of-interest on map) on mobile handheld devices have been subject to major privacy conce...
Nilothpal Talukder, Sheikh Iqbal Ahamed
ICDE
2007
IEEE
178views Database» more  ICDE 2007»
14 years 9 months ago
Efficient Skyline Query Processing on Peer-to-Peer Networks
Skyline query has been gaining much interest in database research communities in recent years. Most existing studies focus mainly on centralized systems, and resolving the problem...
Shiyuan Wang, Beng Chin Ooi, Anthony K. H. Tung, L...
PVLDB
2011
12 years 10 months ago
An Incremental Hausdorff Distance Calculation Algorithm
The Hausdorff distance is commonly used as a similarity measure between two point sets. Using this measure, a set X is considered similar to Y iff every point in X is close to at ...
Sarana Nutanong, Edwin H. Jacox, Hanan Samet
SIGMOD
2009
ACM
198views Database» more  SIGMOD 2009»
14 years 7 months ago
Monitoring path nearest neighbor in road networks
This paper addresses the problem of monitoring the k nearest neighbors to a dynamically changing path in road networks. Given a destination where a user is going to, this new quer...
Zaiben Chen, Heng Tao Shen, Xiaofang Zhou, Jeffrey...
SIGMOD
2005
ACM
127views Database» more  SIGMOD 2005»
14 years 7 months ago
Fossilized Index: The Linchpin of Trustworthy Non-Alterable Electronic Records
As critical records are increasingly stored in electronic form, which tends to make for easy destruction and clandestine modification, it is imperative that they be properly manag...
Qingbo Zhu, Windsor W. Hsu