—In many existing location-based services, a service provider becomes aware of the location of its customers and can, maybe inadvertently, leak this information to unauthorized e...
We characterize the dynamic data management problem for location based services(LBS) in mobile environments and devise a cost model for servicing both location independent and loc...
In this paper, we propose a novel client-side, multi-granularity caching scheme, called "Complementary Space Caching" (CS caching), for location-based services in mobile ...
Ken C. K. Lee, Wang-Chien Lee, Baihua Zheng, Jianl...
Over the past years Mobile Business has gained significant progress not only because of higher transfer rates as well as advanced processing power and memory capabilities of netw...
Because moving objects usually moves on spatial networks, efficient trajectory index structures are required to gain good retrieval performance on their trajectories. However, ther...