136 search results - page 23 / 28 » Secure Billing for Mobile Information Services in UMTS |
VLDB
2007
ACM
14 years 1 months ago
2007
ACM
This tutorial presents the definition, the models and the techniques of location privacy from the data privacy perspective. By reviewing and revising the state of art research in ...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
This paper presents PrivacyGrid - a framework for supporting anonymous location-based queries in mobile information delivery systems. The PrivacyGrid framework offers three unique...
ICDCSW
2002
IEEE
14 years 17 days ago
2002
IEEE
The proliferation of smart gadgets, appliances, mobile devices, PDAs and sensors has enabled the construction of ubiquitous computing environments, transforming regular physical s...
CORR
2010
Springer
13 years 6 months ago
2010
Springer
Due to lack of the infrastructure, open peer-to-peer architecture, shared wireless medium, limited resource constraints and highly dynamic topology, MANETs (Mobile Adhoc Networks) ...
MOBISYS
2009
ACM
14 years 8 months ago
2009
ACM
In this work, we study the security of public WLAN-based positioning systems. Specifically, we investigate the Skyhook positioning system, available on PCs and used on a number of...