1517 search results - page 28 / 304 » Time and Location Based Services with Access Control |
DBSEC
2007
13 years 10 months ago
2007
With the growing advancement of pervasive computing technologies, we are moving towards an era where spatio-temporal information will be necessary for access control. The use of su...
ICICS
2001
Springer
14 years 1 months ago
2001
Springer
Secure group communication with hierarchical access control refers to a scenario where a group of members is divided into a number of subgroups located at different privilege leve...
COMSWARE
2007
IEEE
14 years 18 days ago
2007
IEEE
This paper proposes a middleware to reduce the and consistency are usually poor since they depend on cell consumption of network resources and optimize the provision of size; GPS t...
PET
2010
Springer
13 years 10 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...
MOBIHOC
2009
ACM
14 years 3 months ago
2009
ACM
Spectrum is a critical yet scarce resource and it has been shown that dynamic spectrum access can significantly improve spectrum utilization. To achieve this, it is important to ...