1517 search results - page 41 / 304 » Time and Location Based Services with Access Control |
EDBT
2006
ACM
14 years 8 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...
IPC
2007
IEEE
14 years 3 months ago
2007
IEEE
Location systems are core technologies for enabling pervasive computing smart spaces. Signal Strength based location estimation offers economical viability and sufficient accurac...
CSIE
2009
IEEE
14 years 3 months ago
2009
IEEE
While mobile handheld devices, such as cell phones and PDAs, provide productivity benefits, they also pose new risks. A vital safeguard against unauthorized access to a device’s...
TIME
2009
IEEE
14 years 3 months ago
2009
IEEE
—The anonymization of location based queries through the generalization of spatio-temporal information has been proposed as a privacy preserving technique. We show that the prese...
SSS
2007
Springer
14 years 2 months ago
2007
Springer
We present formal definitions of stabilization for the Timed I/O Automata (TIOA) framework, and of emulation for the timed Virtual Stationary Automata programming abstraction laye...