75 search results - page 4 / 15 » Location-based services: A database perspective |
PET
2010
Springer
13 years 7 months ago
2010
Springer
Mobile smartphone users frequently need to search for nearby points of interest from a location based service, but in a way that preserves the privacy of the users' locations...
DASFAA
2007
IEEE
14 years 3 days ago
2007
IEEE
Protection of users’ privacy has been a central issue for location-based services (LBSs). In this paper, we classify two kinds of privacy protection requirements in LBS: location...
EDBT
2006
ACM
14 years 5 months ago
2006
ACM
The aim of this paper is to demonstrate Hermes, a robust framework capable of aiding a spatio-temporal database developer in modeling, constructing and querying a database with dyn...
PET
2004
Springer
13 years 11 months ago
2004
Springer
There are a variety of well-known models for access control developed for purposes like formally modeling the access rights on files, databases, and web resources. However, the ex...
MDM
2010
Springer
13 years 10 months ago
2010
Springer
Abstract—Location obfuscation using cloaking regions preserves location anonymity by hiding the true user among a set of other equally likely users. Furthermore, a cloaking regio...