Sciweavers

402 search results - page 7 / 81
» Hiding Location Information from Location-Based Services
Sort
View
OTM
2005
Springer
14 years 1 months ago
An Efficient Trajectory Index Structure for Moving Objects in Location-Based Services
Because moving objects usually moves on spatial networks, efficient trajectory index structures are required to gain good retrieval performance on their trajectories. However, ther...
Jae-Woo Chang, Jung-Ho Um, Wang-Chien Lee
IDEAS
2003
IEEE
171views Database» more  IDEAS 2003»
14 years 1 months ago
Dynamic Data Management for Location Based Services in Mobile Environments
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...
Shiow-yang Wu, Kun-Ta Wu
GI
2009
Springer
14 years 10 days ago
SYGo - A Location-Based Game Adapted from the Board Game Scotland Yard
Abstract. In this paper we introduce SYGo, an innovative hide-andseek game which is part of the AMOGA research project of the University of Bonn in cooperation with and funded by D...
Mark Schmatz, Katja Henke, Clemens Türck, Chr...
MDM
2007
Springer
136views Communications» more  MDM 2007»
14 years 1 months ago
iPDA: Supporting Privacy-Preserving Location-Based Mobile Services
This demonstration presents iPDA, a system to support privacy-preserving data access in location-based mobile services. The iPDA system consists of three main components: 1) a mob...
Jing Du, Jianliang Xu, Xueyan Tang, Haibo Hu
SIGMOD
2008
ACM
210views Database» more  SIGMOD 2008»
14 years 7 months ago
Private queries in location based services: anonymizers are not necessary
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
Gabriel Ghinita, Panos Kalnis, Ali Khoshgozaran, C...